🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.57 AU - 0.71 AU

Year: 336 Days

Day: 31.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.51 AU - 0.83 AU

Year: 360 Days

Day: 31 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,622,525 km

• M1: 207,043 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.6

Radius: 12.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.8 AU - 1.02 AU

Year: 569 Days

Day: 5.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,622,525 km

• M1: 162,613 km (0.12 R)
• M2: 245,490 km (0.047 R)
• M3: 357,389 km (0.096 R)
• M4: 462,706 km (0.072 R)
• M5: 570,117 km (0.042 R)
• M6: 707,000 km (0.107 R)
• M7: 896,241 km (0.081 R)
• M8: 1,037,461 km (0.036 R)
• M9: 1,173,446 km (0.058 R)
• M10: 1,266,795 km (0.099 R)
• M11: 1,351,766 km (0.08 R)
• M12: 1,498,821 km (0.095 R)
• M13: 1,580,352 km (0.119 R)
• M14: 1,754,185 km (0.105 R)
• M15: 1,837,511 km (0.04 R)
• M16: 1,963,322 km (0.105 R)
• M17: 2,046,648 km (0.1 R)
• M18: 2,128,030 km (0.106 R)
• M19: 2,351,679 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 10.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.96 AU - 1.58 AU

Year: 939 Days

Day: 11.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 21,622,525 km

• M1: 131,347 km (0.109 R)
• M2: 198,816 km (0.098 R)
• M3: 273,315 km (0.093 R)
• M4: 339,737 km (0.065 R)
• M5: 514,467 km (0.067 R)
• M6: 588,518 km (0.045 R)
• M7: 760,256 km (0.118 R)
• M8: 882,478 km (0.119 R)
• M9: 1,056,161 km (0.102 R)
• M10: 1,140,833 km (0.086 R)
• M11: 1,234,631 km (0.103 R)
• M12: 1,860,698 km (0.106 R)
• M13: 1,972,448 km (0.107 R)
• M14: 2,061,907 km (0.075 R)
• M15: 2,161,091 km (0.119 R)
• M16: 2,494,544 km (0.118 R)
• M17: 2,689,919 km (0.072 R)
• M18: 2,789,551 km (0.065 R)
• M19: 2,862,854 km (0.117 R)
• M20: 2,927,481 km (0.094 R)
• M21: 3,029,955 km (0.113 R)
• M22: 3,152,775 km (0.076 R)
• M23: 3,374,180 km (0.064 R)
• M24: 3,620,717 km (0.084 R)
• M25: 3,741,144 km (0.105 R)
• M26: 3,903,756 km (0.09 R)
• M27: 4,058,441 km (0.081 R)
• M28: 4,173,182 km (0.113 R)
• M29: 4,502,298 km (0.102 R)
• M30: 4,642,920 km (0.082 R)
• M31: 4,807,028 km (0.105 R)
• M32: 4,873,151 km (0.119 R)
• M33: 4,961,862 km (0.094 R)
• M34: 5,095,902 km (0.103 R)
• M35: 5,299,205 km (0.084 R)
• M36: 5,379,091 km (0.074 R)
• M37: 5,447,756 km (0.112 R)
• M38: 5,760,715 km (0.038 R)
• M39: 5,960,877 km (0.086 R)
• M40: 6,307,495 km (0.077 R)
• M41: 6,392,317 km (0.111 R)
• M42: 6,465,171 km (0.108 R)
• M43: 6,734,747 km (0.096 R)
• M44: 7,108,442 km (0.109 R)
• M45: 7,348,696 km (0.056 R)
• M46: 7,463,288 km (0.117 R)
• M47: 7,604,359 km (0.095 R)
• M48: 7,733,312 km (0.095 R)
• M49: 7,915,074 km (0.12 R)
• M50: 8,045,822 km (0.067 R)
• M51: 8,111,496 km (0.105 R)
• M52: 8,482,349 km (0.112 R)
• M53: 8,804,732 km (0.069 R)
• M54: 8,967,345 km (0.119 R)
• M55: 9,049,026 km (0.108 R)
• M56: 9,158,382 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 11.9

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3 AU - 3.2 AU

Year: 3581 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 21,622,525 km

• M1: 206,894 km (0.116 R)
• M2: 410,497 km (0.095 R)
• M3: 519,553 km (0.117 R)
• M4: 661,971 km (0.109 R)
• M5: 914,791 km (0.117 R)
• M6: 1,105,379 km (0.089 R)
• M7: 1,240,166 km (0.081 R)
• M8: 1,740,272 km (0.118 R)
• M9: 1,818,961 km (0.119 R)
• M10: 2,949,771 km (0.087 R)
• M11: 3,063,615 km (0.057 R)
• M12: 3,413,973 km (0.077 R)
• M13: 3,716,011 km (0.036 R)
• M14: 3,839,280 km (0.091 R)
• M15: 3,942,951 km (0.074 R)
• M16: 4,153,435 km (0.045 R)
• M17: 4,345,968 km (0.119 R)
• M18: 4,629,456 km (0.096 R)
• M19: 5,376,099 km (0.09 R)
• M20: 5,492,486 km (0.048 R)
• M21: 5,704,167 km (0.114 R)
• M22: 6,160,141 km (0.1 R)
• M23: 6,528,451 km (0.068 R)
• M24: 6,903,942 km (0.064 R)
• M25: 7,312,194 km (0.099 R)
• M26: 8,152,486 km (0.087 R)
• M27: 8,421,463 km (0.1 R)
• M28: 8,912,892 km (0.071 R)
• M29: 9,385,621 km (0.095 R)
• M30: 9,667,463 km (0.102 R)
• M31: 9,781,008 km (0.118 R)
• M32: 9,866,428 km (0.029 R)
• M33: 10,559,067 km (0.09 R)
• M34: 10,940,840 km (0.112 R)
• M35: 11,059,322 km (0.05 R)
• M36: 11,507,068 km (0.041 R)
• M37: 11,657,564 km (0.095 R)
• M38: 11,748,220 km (0.116 R)
• M39: 12,327,912 km (0.085 R)
• M40: 12,730,031 km (0.105 R)
• M41: 12,885,762 km (0.064 R)
• M42: 13,483,555 km (0.114 R)
• M43: 13,610,564 km (0.06 R)
• M44: 13,706,007 km (0.09 R)
• M45: 13,929,806 km (0.114 R)
• M46: 14,026,147 km (0.088 R)
• M47: 14,122,637 km (0.12 R)
• M48: 14,219,278 km (0.085 R)
• M49: 14,316,217 km (0.119 R)
• M50: 15,964,038 km (0.093 R)
• M51: 16,132,036 km (0.074 R)
• M52: 16,503,936 km (0.116 R)
• M53: 16,810,313 km (0.031 R)
• M54: 17,394,044 km (0.066 R)
• M55: 17,497,715 km (0.058 R)
• M56: 17,914,644 km (0.087 R)
• M57: 18,335,014 km (0.103 R)
• M58: 18,900,345 km (0.075 R)
• M59: 19,113,821 km (0.082 R)
• M60: 19,759,186 km (0.12 R)
• M61: 20,156,967 km (0.117 R)
• M62: 20,302,376 km (0.112 R)
• M63: 20,630,594 km (0.083 R)
• M64: 21,626,167 km (0.086 R)
• M65: 21,774,868 km (0.102 R)
• M66: 21,924,017 km (0.029 R)
• M67: 22,223,362 km (0.086 R)
• M68: 22,561,752 km (0.097 R)
• M69: 23,319,765 km (0.117 R)
• M70: 23,587,096 km (0.055 R)
• M71: 23,701,987 km (0.053 R)
• M72: 24,086,155 km (0.087 R)
• M73: 25,016,803 km (0.076 R)
• M74: 25,290,418 km (0.106 R)
• M75: 25,408,002 km (0.098 R)
• M76: 25,486,391 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 10.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.13 AU - 4.65 AU

Year: 6034 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 21,622,525 km

• M1: 208,091 km (0.112 R)
• M2: 279,449 km (0.119 R)
• M3: 382,522 km (0.065 R)
• M4: 637,437 km (0.085 R)
• M5: 1,064,239 km (0.109 R)
• M6: 1,229,545 km (0.046 R)
• M7: 1,524,402 km (0.086 R)
• M8: 1,792,781 km (0.036 R)
• M9: 2,008,351 km (0.108 R)
• M10: 2,145,383 km (0.088 R)
• M11: 2,285,556 km (0.068 R)
• M12: 2,446,972 km (0.065 R)
• M13: 2,649,528 km (0.039 R)
• M14: 2,781,324 km (0.043 R)
• M15: 2,876,917 km (0.034 R)
• M16: 2,993,005 km (0.097 R)
• M17: 3,190,025 km (0.078 R)
• M18: 3,350,693 km (0.096 R)
• M19: 3,977,508 km (0.111 R)
• M20: 4,085,518 km (0.112 R)
• M21: 4,415,381 km (0.085 R)
• M22: 4,754,071 km (0.117 R)
• M23: 5,361,139 km (0.085 R)
• M24: 5,649,713 km (0.037 R)
• M25: 5,943,224 km (0.11 R)
• M26: 6,116,907 km (0.072 R)
• M27: 6,393,065 km (0.087 R)
• M28: 6,494,492 km (0.078 R)
• M29: 6,622,099 km (0.102 R)
• M30: 6,699,142 km (0.102 R)
• M31: 7,114,725 km (0.1 R)
• M32: 7,538,685 km (0.075 R)
• M33: 8,107,606 km (0.093 R)
• M34: 8,272,762 km (0.067 R)
• M35: 8,438,965 km (0.076 R)
• M36: 9,286,886 km (0.087 R)
• M37: 9,401,927 km (0.073 R)
• M38: 9,721,019 km (0.118 R)
• M39: 9,896,498 km (0.093 R)
• M40: 11,123,948 km (0.114 R)
• M41: 11,677,909 km (0.113 R)
• M42: 12,209,281 km (0.119 R)
• M43: 12,716,717 km (0.1 R)
• M44: 13,198,721 km (0.098 R)
• M45: 13,817,907 km (0.114 R)
• M46: 14,213,892 km (0.109 R)
• M47: 14,413,306 km (0.099 R)
• M48: 15,220,087 km (0.118 R)
• M49: 15,731,712 km (0.098 R)
• M50: 15,903,600 km (0.09 R)
• M51: 16,353,291 km (0.098 R)
• M52: 16,772,016 km (0.05 R)
• M53: 16,877,333 km (0.096 R)
• M54: 17,727,348 km (0.117 R)
• M55: 18,772,887 km (0.034 R)
• M56: 19,284,811 km (0.115 R)
• M57: 19,801,373 km (0.1 R)
• M58: 20,697,464 km (0.097 R)
• M59: 21,112,598 km (0.118 R)
• M60: 22,490,394 km (0.096 R)
• M61: 24,611,094 km (0.073 R)
• M62: 24,770,715 km (0.067 R)
• M63: 24,850,600 km (0.12 R)
• M64: 25,412,639 km (0.1 R)
• M65: 25,533,514 km (0.097 R)
• M66: 26,182,021 km (0.096 R)
• M67: 26,263,402 km (0.089 R)
• M68: 26,590,124 km (0.089 R)
• M69: 27,164,879 km (0.099 R)
• M70: 27,577,919 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.5

Radius: 11.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.93 AU - 5.05 AU

Year: 6241 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 21,622,525 km

• M1: 236,813 km (0.075 R)
• M2: 549,772 km (0.117 R)
• M3: 797,207 km (0.088 R)
• M4: 1,010,085 km (0.111 R)
• M5: 1,380,190 km (0.065 R)
• M6: 1,475,334 km (0.049 R)
• M7: 1,605,784 km (0.119 R)
• M8: 1,791,584 km (0.037 R)
• M9: 2,203,128 km (0.093 R)
• M10: 2,277,777 km (0.063 R)
• M11: 2,545,857 km (0.083 R)
• M12: 2,624,395 km (0.067 R)
• M13: 2,864,949 km (0.033 R)
• M14: 3,112,683 km (0.095 R)
• M15: 3,303,271 km (0.049 R)
• M16: 3,432,374 km (0.07 R)
• M17: 3,607,253 km (0.078 R)
• M18: 3,807,565 km (0.08 R)
• M19: 3,920,511 km (0.096 R)
• M20: 4,430,640 km (0.114 R)
• M21: 4,573,506 km (0.095 R)
• M22: 5,770,439 km (0.095 R)
• M23: 5,900,439 km (0.082 R)
• M24: 6,403,686 km (0.064 R)
• M25: 7,508,018 km (0.119 R)
• M26: 7,966,087 km (0.098 R)
• M27: 8,169,390 km (0.066 R)
• M28: 8,345,168 km (0.106 R)
• M29: 8,819,692 km (0.087 R)
• M30: 9,455,782 km (0.064 R)
• M31: 9,671,203 km (0.088 R)
• M32: 9,826,037 km (0.088 R)
• M33: 10,138,248 km (0.114 R)
• M34: 10,327,190 km (0.043 R)
• M35: 10,612,623 km (0.076 R)
• M36: 11,321,567 km (0.087 R)
• M37: 11,912,927 km (0.093 R)
• M38: 12,447,141 km (0.093 R)
• M39: 14,096,159 km (0.114 R)
• M40: 14,342,397 km (0.065 R)
• M41: 14,625,585 km (0.096 R)
• M42: 14,839,062 km (0.074 R)
• M43: 14,982,077 km (0.059 R)
• M44: 15,161,445 km (0.096 R)
• M45: 15,922,449 km (0.054 R)
• M46: 18,394,405 km (0.041 R)
• M47: 19,322,510 km (0.03 R)
• M48: 19,831,741 km (0.043 R)
• M49: 20,028,761 km (0.039 R)
• M50: 20,943,253 km (0.095 R)
• M51: 22,279,162 km (0.079 R)
• M52: 22,361,142 km (0.095 R)
• M53: 23,559,121 km (0.116 R)
• M54: 25,032,810 km (0.102 R)
• M55: 25,160,567 km (0.03 R)
• M56: 26,017,463 km (0.079 R)
• M57: 26,319,651 km (0.081 R)
• M58: 27,759,830 km (0.063 R)
• M59: 28,334,136 km (0.072 R)
• M60: 28,912,481 km (0.045 R)
• M61: 29,180,710 km (0.11 R)
• M62: 29,270,319 km (0.076 R)
• M63: 30,307,182 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56

Radius: 3.6

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.69 AU - 7.09 AU

Year: 10596 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 21,622,525 km

• M1: 50,265 km (0.049 R)
• M2: 293,361 km (0.099 R)
• M3: 353,949 km (0.052 R)
• M4: 385,963 km (0.091 R)
• M5: 768,484 km (0.092 R)
• M6: 800,049 km (0.105 R)
• M7: 853,605 km (0.102 R)
• M8: 998,416 km (0.111 R)
• M9: 1,079,648 km (0.117 R)
• M10: 1,248,544 km (0.079 R)
• M11: 1,789,639 km (0.1 R)
• M12: 2,378,457 km (0.091 R)
• M13: 2,581,760 km (0.059 R)
• M14: 4,303,781 km (0.076 R)
• M15: 4,417,326 km (0.076 R)
• M16: 5,688,758 km (0.093 R)
• M17: 5,750,991 km (0.056 R)
• M18: 7,788,364 km (0.109 R)
• M19: 8,066,018 km (0.105 R)
• M20: 8,370,450 km (0.116 R)
• M21: 8,417,573 km (0.102 R)
• M22: 8,441,209 km (0.108 R)
• M23: 9,063,088 km (0.105 R)
• M24: 10,350,228 km (0.106 R)
• M25: 11,719,796 km (0.073 R)
• M26: 12,011,063 km (0.08 R)
• M27: 12,251,318 km (0.053 R)
• M28: 12,465,991 km (0.065 R)
• M29: 13,780,507 km (0.076 R)
• M30: 14,595,815 km (0.116 R)
• M31: 14,966,369 km (0.086 R)
• M32: 16,155,224 km (0.039 R)
• M33: 17,615,149 km (0.092 R)
• M34: 17,645,368 km (0.103 R)
• M35: 18,468,156 km (0.09 R)
• M36: 18,529,641 km (0.09 R)
• M37: 18,560,309 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit