🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.5 AU - 0.6 AU

Year: 259 Days

Day: 41.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,280,966 km

• M1: 19,897 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.5 AU - 0.64 AU

Year: 274 Days

Day: 22.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.7

Radius: 9.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.71 AU - 0.83 AU

Year: 430 Days

Day: 11.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,280,966 km

• M1: 114,592 km (0.05 R)
• M2: 204,051 km (0.086 R)
• M3: 264,639 km (0.105 R)
• M4: 359,633 km (0.096 R)
• M5: 420,819 km (0.065 R)
• M6: 501,003 km (0.055 R)
• M7: 610,210 km (0.074 R)
• M8: 728,093 km (0.106 R)
• M9: 807,829 km (0.093 R)
• M10: 957,576 km (0.108 R)
• M11: 1,037,162 km (0.083 R)
• M12: 1,107,922 km (0.105 R)
• M13: 1,208,003 km (0.085 R)
• M14: 1,278,015 km (0.06 R)
• M15: 1,380,938 km (0.052 R)
• M16: 1,449,454 km (0.067 R)
• M17: 1,546,992 km (0.095 R)
• M18: 1,610,571 km (0.108 R)
• M19: 1,693,448 km (0.108 R)
• M20: 1,764,507 km (0.108 R)
• M21: 1,901,539 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 10.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 464 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 102.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 55,280,966 km

• M1: 134,339 km (0.086 R)
• M2: 209,437 km (0.091 R)
• M3: 303,384 km (0.105 R)
• M4: 570,566 km (0.072 R)
• M5: 651,948 km (0.117 R)
• M6: 733,927 km (0.115 R)
• M7: 901,178 km (0.041 R)
• M8: 1,028,785 km (0.085 R)
• M9: 1,108,371 km (0.11 R)
• M10: 1,241,363 km (0.083 R)
• M11: 1,389,615 km (0.112 R)
• M12: 1,523,505 km (0.047 R)
• M13: 1,589,627 km (0.099 R)
• M14: 1,662,032 km (0.036 R)
• M15: 1,783,356 km (0.099 R)
• M16: 1,902,287 km (0.09 R)
• M17: 1,968,409 km (0.071 R)
• M18: 2,052,034 km (0.031 R)
• M19: 2,125,487 km (0.099 R)
• M20: 2,194,152 km (0.059 R)
• M21: 2,381,000 km (0.106 R)
• M22: 2,482,427 km (0.08 R)
• M23: 2,554,832 km (0.117 R)
• M24: 2,646,536 km (0.09 R)
• M25: 2,733,003 km (0.111 R)
• M26: 2,814,235 km (0.078 R)
• M27: 2,991,957 km (0.093 R)
• M28: 3,062,867 km (0.065 R)
• M29: 3,166,987 km (0.108 R)
• M30: 3,278,886 km (0.113 R)
• M31: 3,358,771 km (0.089 R)
• M32: 3,425,791 km (0.113 R)
• M33: 3,493,260 km (0.113 R)
• M34: 3,767,622 km (0.108 R)
• M35: 3,886,403 km (0.119 R)
• M36: 4,106,312 km (0.069 R)
• M37: 4,185,300 km (0.113 R)
• M38: 4,322,930 km (0.101 R)
• M39: 4,396,083 km (0.117 R)
• M40: 4,528,627 km (0.087 R)
• M41: 4,595,497 km (0.068 R)
• M42: 4,670,146 km (0.114 R)
• M43: 4,813,012 km (0.071 R)
• M44: 5,049,377 km (0.092 R)
• M45: 5,188,353 km (0.068 R)
• M46: 5,336,455 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 9.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.91 AU - 2.33 AU

Year: 1963 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 55,280,966 km

• M1: 209,287 km (0.066 R)
• M2: 337,044 km (0.067 R)
• M3: 448,046 km (0.077 R)
• M4: 546,930 km (0.117 R)
• M5: 790,924 km (0.111 R)
• M6: 1,110,914 km (0.092 R)
• M7: 1,171,052 km (0.108 R)
• M8: 1,376,600 km (0.112 R)
• M9: 1,574,667 km (0.113 R)
• M10: 1,751,941 km (0.104 R)
• M11: 1,843,046 km (0.102 R)
• M12: 1,915,152 km (0.109 R)
• M13: 1,998,628 km (0.09 R)
• M14: 2,267,455 km (0.105 R)
• M15: 2,468,215 km (0.101 R)
• M16: 2,570,839 km (0.101 R)
• M17: 2,628,584 km (0.119 R)
• M18: 2,698,297 km (0.096 R)
• M19: 2,899,356 km (0.107 R)
• M20: 2,959,495 km (0.078 R)
• M21: 3,117,620 km (0.065 R)
• M22: 3,228,920 km (0.112 R)
• M23: 3,366,550 km (0.056 R)
• M24: 3,480,694 km (0.119 R)
• M25: 3,870,546 km (0.095 R)
• M26: 4,138,176 km (0.059 R)
• M27: 4,274,310 km (0.075 R)
• M28: 4,356,739 km (0.108 R)
• M29: 4,467,441 km (0.091 R)
• M30: 4,565,129 km (0.036 R)
• M31: 4,734,174 km (0.102 R)
• M32: 4,848,018 km (0.119 R)
• M33: 5,224,406 km (0.051 R)
• M34: 5,297,859 km (0.112 R)
• M35: 5,386,421 km (0.111 R)
• M36: 5,655,398 km (0.101 R)
• M37: 5,867,528 km (0.113 R)
• M38: 5,974,640 km (0.059 R)
• M39: 6,051,533 km (0.085 R)
• M40: 6,113,317 km (0.062 R)
• M41: 6,440,936 km (0.104 R)
• M42: 6,503,917 km (0.113 R)
• M43: 6,758,383 km (0.117 R)
• M44: 6,918,902 km (0.113 R)
• M45: 7,194,910 km (0.029 R)
• M46: 7,276,889 km (0.083 R)
• M47: 7,342,563 km (0.092 R)
• M48: 7,875,430 km (0.091 R)
• M49: 7,959,804 km (0.119 R)
• M50: 8,628,506 km (0.094 R)
• M51: 8,820,440 km (0.089 R)
• M52: 8,978,415 km (0.067 R)
• M53: 9,190,695 km (0.073 R)
• M54: 9,404,470 km (0.055 R)
• M55: 9,746,451 km (0.059 R)
• M56: 9,964,565 km (0.083 R)
• M57: 10,074,220 km (0.077 R)
• M58: 10,405,729 km (0.045 R)
• M59: 10,572,680 km (0.067 R)
• M60: 10,665,879 km (0.107 R)
• M61: 11,117,067 km (0.104 R)
• M62: 11,173,914 km (0.109 R)
• M63: 11,249,909 km (0.041 R)
• M64: 11,766,920 km (0.057 R)
• M65: 11,999,245 km (0.106 R)
• M66: 12,135,379 km (0.107 R)
• M67: 12,193,872 km (0.087 R)
• M68: 12,507,728 km (0.067 R)
• M69: 12,963,403 km (0.085 R)
• M70: 13,444,809 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.8

Radius: 13.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.42 AU - 3.54 AU

Year: 3271 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 55,280,966 km

• M1: 166,054 km (0.119 R)
• M2: 430,393 km (0.106 R)
• M3: 582,534 km (0.07 R)
• M4: 699,071 km (0.087 R)
• M5: 885,769 km (0.077 R)
• M6: 1,056,909 km (0.047 R)
• M7: 1,287,140 km (0.114 R)
• M8: 1,396,347 km (0.09 R)
• M9: 1,547,141 km (0.033 R)
• M10: 1,770,491 km (0.101 R)
• M11: 2,089,882 km (0.053 R)
• M12: 2,190,861 km (0.077 R)
• M13: 2,519,079 km (0.1 R)
• M14: 2,783,717 km (0.113 R)
• M15: 2,895,467 km (0.118 R)
• M16: 3,041,325 km (0.049 R)
• M17: 3,189,726 km (0.109 R)
• M18: 3,374,330 km (0.034 R)
• M19: 3,666,943 km (0.069 R)
• M20: 4,481,055 km (0.074 R)
• M21: 5,350,069 km (0.102 R)
• M22: 5,489,943 km (0.056 R)
• M23: 5,631,013 km (0.059 R)
• M24: 6,165,826 km (0.093 R)
• M25: 6,524,412 km (0.111 R)
• M26: 7,328,351 km (0.115 R)
• M27: 7,484,082 km (0.081 R)
• M28: 7,866,754 km (0.101 R)
• M29: 8,117,779 km (0.082 R)
• M30: 8,674,732 km (0.078 R)
• M31: 8,863,075 km (0.048 R)
• M32: 9,052,915 km (0.12 R)
• M33: 9,581,893 km (0.117 R)
• M34: 9,703,516 km (0.039 R)
• M35: 9,825,588 km (0.064 R)
• M36: 10,493,991 km (0.084 R)
• M37: 10,669,769 km (0.067 R)
• M38: 11,075,030 km (0.069 R)
• M39: 11,485,526 km (0.071 R)
• M40: 11,822,720 km (0.109 R)
• M41: 12,242,192 km (0.069 R)
• M42: 12,934,232 km (0.06 R)
• M43: 13,285,039 km (0.113 R)
• M44: 13,529,781 km (0.087 R)
• M45: 13,858,448 km (0.109 R)
• M46: 14,051,429 km (0.094 R)
• M47: 14,328,634 km (0.094 R)
• M48: 14,747,807 km (0.081 R)
• M49: 14,944,827 km (0.039 R)
• M50: 15,312,988 km (0.098 R)
• M51: 16,029,561 km (0.088 R)
• M52: 16,174,073 km (0.117 R)
• M53: 16,377,376 km (0.076 R)
• M54: 16,962,603 km (0.067 R)
• M55: 17,465,551 km (0.11 R)
• M56: 17,793,470 km (0.112 R)
• M57: 18,093,563 km (0.086 R)
• M58: 18,485,958 km (0.091 R)
• M59: 19,773,248 km (0.097 R)
• M60: 20,052,847 km (0.1 R)
• M61: 20,490,420 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 8.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.28 AU - 5.3 AU

Year: 6666 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 55,280,966 km

• M1: 125,064 km (0.072 R)
• M2: 241,002 km (0.11 R)
• M3: 389,553 km (0.117 R)
• M4: 571,314 km (0.11 R)
• M5: 769,531 km (0.098 R)
• M6: 889,359 km (0.113 R)
• M7: 1,107,772 km (0.116 R)
• M8: 1,329,177 km (0.053 R)
• M9: 1,625,979 km (0.113 R)
• M10: 1,719,029 km (0.076 R)
• M11: 1,878,351 km (0.035 R)
• M12: 2,059,364 km (0.032 R)
• M13: 2,126,534 km (0.102 R)
• M14: 2,280,620 km (0.046 R)
• M15: 2,385,338 km (0.051 R)
• M16: 2,599,712 km (0.107 R)
• M17: 3,124,352 km (0.071 R)
• M18: 3,458,852 km (0.1 R)
• M19: 3,559,382 km (0.114 R)
• M20: 3,784,078 km (0.09 R)
• M21: 3,846,161 km (0.106 R)
• M22: 3,992,468 km (0.082 R)
• M23: 4,398,776 km (0.109 R)
• M24: 4,706,648 km (0.089 R)
• M25: 5,389,862 km (0.091 R)
• M26: 5,624,581 km (0.069 R)
• M27: 5,910,612 km (0.106 R)
• M28: 6,103,892 km (0.09 R)
• M29: 6,299,417 km (0.107 R)
• M30: 6,397,852 km (0.101 R)
• M31: 6,546,702 km (0.112 R)
• M32: 7,411,079 km (0.118 R)
• M33: 7,619,618 km (0.116 R)
• M34: 8,016,052 km (0.069 R)
• M35: 8,122,865 km (0.066 R)
• M36: 8,392,141 km (0.045 R)
• M37: 8,828,967 km (0.038 R)
• M38: 9,498,118 km (0.092 R)
• M39: 9,667,912 km (0.084 R)
• M40: 10,299,215 km (0.052 R)
• M41: 10,473,796 km (0.098 R)
• M42: 10,619,953 km (0.095 R)
• M43: 11,301,072 km (0.068 R)
• M44: 11,361,061 km (0.099 R)
• M45: 12,057,439 km (0.104 R)
• M46: 12,149,292 km (0.095 R)
• M47: 13,301,495 km (0.054 R)
• M48: 13,618,792 km (0.095 R)
• M49: 13,906,618 km (0.052 R)
• M50: 14,847,439 km (0.076 R)
• M51: 15,209,765 km (0.073 R)
• M52: 15,408,581 km (0.102 R)
• M53: 16,721,900 km (0.077 R)
• M54: 16,927,149 km (0.104 R)
• M55: 17,826,082 km (0.11 R)
• M56: 18,457,535 km (0.109 R)
• M57: 18,776,029 km (0.116 R)
• M58: 18,953,751 km (0.066 R)
• M59: 19,060,713 km (0.105 R)
• M60: 19,490,359 km (0.104 R)
• M61: 19,742,431 km (0.058 R)
• M62: 20,541,732 km (0.109 R)
• M63: 20,761,492 km (0.064 R)
• M64: 20,945,347 km (0.096 R)
• M65: 21,351,506 km (0.117 R)
• M66: 21,872,405 km (0.113 R)
• M67: 22,209,449 km (0.082 R)
• M68: 22,699,233 km (0.058 R)
• M69: 24,306,064 km (0.106 R)
• M70: 24,927,792 km (0.065 R)
• M71: 25,083,973 km (0.078 R)
• M72: 25,436,874 km (0.101 R)
• M73: 25,751,777 km (0.061 R)
• M74: 25,830,765 km (0.081 R)
• M75: 26,068,027 km (0.116 R)
• M76: 26,147,314 km (0.114 R)
• M77: 26,385,474 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.4

Radius: 4

Gravity: 34.9 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.82 AU - 8.68 AU

Year: 13718 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 55,280,966 km

• M1: 75,397 km (0.103 R)
• M2: 183,108 km (0.106 R)
• M3: 242,349 km (0.086 R)
• M4: 508,334 km (0.106 R)
• M5: 841,338 km (0.064 R)
• M6: 1,206,956 km (0.098 R)
• M7: 1,467,106 km (0.067 R)
• M8: 1,955,843 km (0.073 R)
• M9: 2,092,276 km (0.085 R)
• M10: 2,432,312 km (0.038 R)
• M11: 3,226,377 km (0.093 R)
• M12: 3,355,181 km (0.081 R)
• M13: 3,387,644 km (0.049 R)
• M14: 4,480,307 km (0.057 R)
• M15: 4,732,678 km (0.094 R)
• M16: 4,878,985 km (0.112 R)
• M17: 6,023,109 km (0.104 R)
• M18: 6,181,683 km (0.09 R)
• M19: 6,422,237 km (0.11 R)
• M20: 6,503,019 km (0.097 R)
• M21: 7,036,635 km (0.068 R)
• M22: 7,245,623 km (0.106 R)
• M23: 7,927,939 km (0.119 R)
• M24: 7,971,323 km (0.11 R)
• M25: 8,541,739 km (0.115 R)
• M26: 8,719,910 km (0.048 R)
• M27: 9,907,418 km (0.073 R)
• M28: 10,000,767 km (0.091 R)
• M29: 10,188,662 km (0.116 R)
• M30: 10,377,455 km (0.081 R)
• M31: 11,732,063 km (0.094 R)
• M32: 11,830,948 km (0.058 R)
• M33: 12,129,096 km (0.113 R)
• M34: 12,581,181 km (0.086 R)
• M35: 12,987,489 km (0.098 R)
• M36: 13,553,417 km (0.029 R)
• M37: 15,136,911 km (0.077 R)
• M38: 15,677,707 km (0.092 R)
• M39: 15,950,424 km (0.114 R)
• M40: 16,445,294 km (0.051 R)
• M41: 17,224,998 km (0.101 R)
• M42: 17,449,993 km (0.095 R)
• M43: 17,619,338 km (0.046 R)
• M44: 18,704,820 km (0.11 R)
• M45: 19,518,333 km (0.1 R)
• M46: 19,870,636 km (0.115 R)
• M47: 20,521,686 km (0.025 R)
• M48: 21,541,645 km (0.059 R)
• M49: 21,905,616 km (0.086 R)
• M50: 22,088,275 km (0.101 R)
• M51: 22,332,718 km (0.063 R)
• M52: 22,701,028 km (0.087 R)
• M53: 22,947,715 km (0.106 R)
• M54: 24,194,314 km (0.116 R)
• M55: 24,572,497 km (0.045 R)
• M56: 25,334,848 km (0.112 R)
• M57: 26,363,334 km (0.109 R)
• M58: 27,536,480 km (0.079 R)
• M59: 28,793,401 km (0.094 R)
• M60: 28,926,693 km (0.047 R)
• M61: 30,747,299 km (0.077 R)
• M62: 31,293,930 km (0.063 R)
• M63: 32,119,710 km (0.047 R)
• M64: 32,327,352 km (0.099 R)
• M65: 32,952,671 km (0.101 R)
• M66: 33,301,832 km (0.105 R)
• M67: 34,003,895 km (0.111 R)
• M68: 34,498,167 km (0.065 R)
• M69: 34,639,836 km (0.057 R)
• M70: 35,422,382 km (0.027 R)
• M71: 35,780,071 km (0.092 R)
• M72: 36,499,038 km (0.098 R)
• M73: 36,643,400 km (0.086 R)
• M74: 36,715,656 km (0.102 R)
• M75: 36,787,912 km (0.092 R)
• M76: 37,513,461 km (0.066 R)
• M77: 39,200,028 km (0.098 R)
• M78: 39,792,435 km (0.113 R)
• M79: 39,866,785 km (0.056 R)
• M80: 40,089,836 km (0.098 R)
• M81: 40,313,335 km (0.066 R)
• M82: 41,813,652 km (0.102 R)
• M83: 43,408,665 km (0.106 R)
• M84: 44,560,119 km (0.108 R)
• M85: 46,971,338 km (0.107 R)
• M86: 47,679,385 km (0.07 R)
• M87: 47,837,210 km (0.081 R)
• M88: 48,153,311 km (0.073 R)
• M89: 48,549,446 km (0.12 R)
• M90: 49,824,319 km (0.117 R)
• M91: 50,305,126 km (0.107 R)
• M92: 50,546,278 km (0.103 R)
• M93: 50,707,096 km (0.11 R)
• M94: 53,059,223 km (0.09 R)
• M95: 53,222,734 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,183 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit