🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.56 AU - 0.58 AU

Year: 278 Days

Day: 44.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 141.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.65 AU - 0.65 AU

Year: 338 Days

Day: 45.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 66.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,101,563 km

• M1: 571,464 km (0.101 R)
• M2: 626,366 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 12.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.65 AU - 0.75 AU

Year: 378 Days

Day: 6.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,101,563 km

• M1: 153,787 km (0.111 R)
• M2: 297,101 km (0.079 R)
• M3: 382,372 km (0.078 R)
• M4: 473,328 km (0.119 R)
• M5: 640,428 km (0.117 R)
• M6: 746,493 km (0.086 R)
• M7: 825,182 km (0.105 R)
• M8: 907,012 km (0.102 R)
• M9: 1,024,147 km (0.12 R)
• M10: 1,161,029 km (0.106 R)
• M11: 1,289,384 km (0.099 R)
• M12: 1,370,915 km (0.046 R)
• M13: 1,599,052 km (0.102 R)
• M14: 1,720,675 km (0.11 R)
• M15: 1,822,551 km (0.061 R)
• M16: 1,950,008 km (0.094 R)
• M17: 2,086,591 km (0.098 R)
• M18: 2,257,282 km (0.12 R)
• M19: 2,369,481 km (0.081 R)
• M20: 2,458,043 km (0.044 R)
• M21: 2,534,936 km (0.087 R)
• M22: 2,612,577 km (0.057 R)
• M23: 2,770,553 km (0.12 R)
• M24: 2,924,938 km (0.045 R)
• M25: 3,013,350 km (0.103 R)
• M26: 3,102,809 km (0.106 R)
• M27: 3,242,235 km (0.087 R)
• M28: 3,341,119 km (0.105 R)
• M29: 3,702,547 km (0.049 R)
• M30: 3,850,649 km (0.112 R)
• M31: 3,993,366 km (0.088 R)
• M32: 4,237,509 km (0.069 R)
• M33: 4,400,421 km (0.086 R)
• M34: 4,486,590 km (0.066 R)
• M35: 4,628,857 km (0.1 R)
• M36: 4,909,952 km (0.104 R)
• M37: 4,999,411 km (0.046 R)
• M38: 5,138,836 km (0.116 R)
• M39: 5,312,819 km (0.087 R)
• M40: 5,649,713 km (0.103 R)
• M41: 5,726,606 km (0.08 R)
• M42: 5,820,853 km (0.11 R)
• M43: 5,898,345 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 14.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.69 AU - 1.01 AU

Year: 506 Days

Day: 13.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,101,563 km

• M1: 194,178 km (0.107 R)
• M2: 290,220 km (0.079 R)
• M3: 417,827 km (0.104 R)
• M4: 626,516 km (0.093 R)
• M5: 776,712 km (0.053 R)
• M6: 900,430 km (0.043 R)
• M7: 1,027,737 km (0.108 R)
• M8: 1,121,685 km (0.076 R)
• M9: 1,247,796 km (0.066 R)
• M10: 1,361,939 km (0.069 R)
• M11: 1,506,600 km (0.103 R)
• M12: 1,619,846 km (0.109 R)
• M13: 1,712,596 km (0.105 R)
• M14: 1,889,272 km (0.04 R)
• M15: 1,997,281 km (0.113 R)
• M16: 2,204,474 km (0.107 R)
• M17: 2,329,089 km (0.097 R)
• M18: 2,429,469 km (0.076 R)
• M19: 2,553,187 km (0.03 R)
• M20: 2,695,604 km (0.102 R)
• M21: 2,857,619 km (0.044 R)
• M22: 2,976,998 km (0.042 R)
• M23: 3,156,515 km (0.051 R)
• M24: 3,274,249 km (0.108 R)
• M25: 3,435,515 km (0.054 R)
• M26: 3,617,875 km (0.102 R)
• M27: 3,759,993 km (0.036 R)
• M28: 3,853,791 km (0.09 R)
• M29: 4,018,049 km (0.068 R)
• M30: 4,171,836 km (0.086 R)
• M31: 4,498,707 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 13.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.05 AU - 1.75 AU

Year: 1070 Days

Day: 13.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 73,101,563 km

• M1: 166,353 km (0.074 R)
• M2: 256,560 km (0.061 R)
• M3: 482,304 km (0.114 R)
• M4: 633,098 km (0.105 R)
• M5: 755,469 km (0.116 R)
• M6: 955,781 km (0.109 R)
• M7: 1,099,694 km (0.116 R)
• M8: 1,188,405 km (0.098 R)
• M9: 1,381,088 km (0.067 R)
• M10: 1,485,357 km (0.1 R)
• M11: 1,599,949 km (0.106 R)
• M12: 1,749,846 km (0.047 R)
• M13: 2,324,901 km (0.102 R)
• M14: 2,459,539 km (0.112 R)
• M15: 2,578,469 km (0.12 R)
• M16: 2,708,619 km (0.116 R)
• M17: 2,889,034 km (0.098 R)
• M18: 3,034,144 km (0.111 R)
• M19: 3,181,947 km (0.102 R)
• M20: 3,321,970 km (0.036 R)
• M21: 3,423,398 km (0.103 R)
• M22: 3,629,244 km (0.062 R)
• M23: 3,828,658 km (0.111 R)
• M24: 3,945,943 km (0.109 R)
• M25: 4,075,046 km (0.069 R)
• M26: 4,382,170 km (0.106 R)
• M27: 4,662,666 km (0.109 R)
• M28: 4,868,513 km (0.027 R)
• M29: 5,159,182 km (0.117 R)
• M30: 5,265,396 km (0.094 R)
• M31: 5,624,282 km (0.098 R)
• M32: 5,745,755 km (0.08 R)
• M33: 5,991,245 km (0.114 R)
• M34: 6,090,578 km (0.087 R)
• M35: 6,480,131 km (0.085 R)
• M36: 6,710,212 km (0.096 R)
• M37: 6,800,420 km (0.068 R)
• M38: 6,916,957 km (0.078 R)
• M39: 7,047,256 km (0.106 R)
• M40: 7,152,125 km (0.1 R)
• M41: 7,244,277 km (0.081 R)
• M42: 7,336,728 km (0.044 R)
• M43: 7,456,407 km (0.074 R)
• M44: 7,630,239 km (0.081 R)
• M45: 7,900,563 km (0.071 R)
• M46: 8,256,606 km (0.093 R)
• M47: 8,339,483 km (0.036 R)
• M48: 8,645,859 km (0.078 R)
• M49: 8,744,145 km (0.067 R)
• M50: 8,927,702 km (0.103 R)
• M51: 9,183,963 km (0.06 R)
• M52: 9,298,555 km (0.06 R)
• M53: 9,457,129 km (0.099 R)
• M54: 9,762,159 km (0.087 R)
• M55: 9,879,144 km (0.069 R)
• M56: 9,967,257 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 11.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.96 AU - 5.38 AU

Year: 7590 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,101,563 km

• M1: 168,597 km (0.076 R)
• M2: 349,311 km (0.075 R)
• M3: 463,005 km (0.106 R)
• M4: 708,645 km (0.079 R)
• M5: 913,744 km (0.092 R)
• M6: 1,331,122 km (0.083 R)
• M7: 1,427,014 km (0.114 R)
• M8: 1,700,329 km (0.098 R)
• M9: 1,824,196 km (0.06 R)
• M10: 1,911,861 km (0.116 R)
• M11: 2,050,987 km (0.105 R)
• M12: 2,183,231 km (0.055 R)
• M13: 2,287,052 km (0.114 R)
• M14: 2,521,323 km (0.085 R)
• M15: 2,876,169 km (0.11 R)
• M16: 3,996,657 km (0.083 R)
• M17: 4,189,189 km (0.052 R)
• M18: 4,424,207 km (0.051 R)
• M19: 4,677,028 km (0.067 R)
• M20: 5,169,055 km (0.112 R)
• M21: 5,308,780 km (0.099 R)
• M22: 5,449,701 km (0.101 R)
• M23: 6,173,007 km (0.053 R)
• M24: 6,485,965 km (0.067 R)
• M25: 6,788,751 km (0.091 R)
• M26: 7,267,465 km (0.055 R)
• M27: 7,377,120 km (0.083 R)
• M28: 7,471,516 km (0.077 R)
• M29: 7,661,505 km (0.048 R)
• M30: 8,421,014 km (0.047 R)
• M31: 8,751,625 km (0.061 R)
• M32: 9,036,011 km (0.09 R)
• M33: 9,238,566 km (0.088 R)
• M34: 9,391,455 km (0.034 R)
• M35: 9,803,298 km (0.119 R)
• M36: 10,503,117 km (0.073 R)
• M37: 10,894,764 km (0.093 R)
• M38: 11,128,436 km (0.109 R)
• M39: 11,839,774 km (0.093 R)
• M40: 12,024,378 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.2

Radius: 6.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.33 AU - 6.61 AU

Year: 10626 Days

Day: 22.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 73,101,563 km

• M1: 86,617 km (0.108 R)
• M2: 131,197 km (0.116 R)
• M3: 394,190 km (0.119 R)
• M4: 593,604 km (0.072 R)
• M5: 637,287 km (0.084 R)
• M6: 751,430 km (0.038 R)
• M7: 799,002 km (0.051 R)
• M8: 1,052,571 km (0.092 R)
• M9: 1,432,848 km (0.07 R)
• M10: 1,477,728 km (0.108 R)
• M11: 1,677,142 km (0.088 R)
• M12: 2,102,000 km (0.099 R)
• M13: 2,153,013 km (0.057 R)
• M14: 2,379,354 km (0.095 R)
• M15: 2,522,519 km (0.109 R)
• M16: 2,631,726 km (0.116 R)
• M17: 2,724,028 km (0.105 R)
• M18: 2,817,227 km (0.087 R)
• M19: 3,499,693 km (0.041 R)
• M20: 3,642,259 km (0.034 R)
• M21: 3,745,183 km (0.069 R)
• M22: 3,807,415 km (0.065 R)
• M23: 3,932,778 km (0.094 R)
• M24: 4,081,030 km (0.092 R)
• M25: 4,317,544 km (0.116 R)
• M26: 4,669,548 km (0.081 R)
• M27: 5,007,938 km (0.107 R)
• M28: 5,122,530 km (0.108 R)
• M29: 5,168,606 km (0.114 R)
• M30: 5,401,082 km (0.094 R)
• M31: 5,518,665 km (0.081 R)
• M32: 5,660,783 km (0.029 R)
• M33: 6,070,083 km (0.117 R)
• M34: 6,538,923 km (0.103 R)
• M35: 7,537,339 km (0.061 R)
• M36: 8,774,663 km (0.111 R)
• M37: 9,052,018 km (0.092 R)
• M38: 9,303,940 km (0.115 R)
• M39: 9,473,285 km (0.066 R)
• M40: 10,276,775 km (0.115 R)
• M41: 11,341,613 km (0.069 R)
• M42: 12,224,689 km (0.064 R)
• M43: 13,446,754 km (0.104 R)
• M44: 13,670,253 km (0.103 R)
• M45: 14,871,524 km (0.093 R)
• M46: 15,334,829 km (0.081 R)
• M47: 15,468,121 km (0.117 R)
• M48: 15,735,751 km (0.071 R)
• M49: 15,971,218 km (0.096 R)
• M50: 16,038,687 km (0.107 R)
• M51: 16,377,676 km (0.042 R)
• M52: 17,235,171 km (0.059 R)
• M53: 17,651,950 km (0.071 R)
• M54: 18,993,544 km (0.106 R)
• M55: 19,065,052 km (0.068 R)
• M56: 19,208,367 km (0.073 R)
• M57: 19,640,405 km (0.105 R)
• M58: 19,821,419 km (0.115 R)
• M59: 20,734,564 km (0.047 R)
• M60: 20,881,918 km (0.073 R)
• M61: 21,251,874 km (0.112 R)
• M62: 21,624,073 km (0.062 R)
• M63: 21,773,521 km (0.099 R)
• M64: 21,885,869 km (0.109 R)
• M65: 22,525,999 km (0.077 R)
• M66: 22,905,379 km (0.045 R)
• M67: 24,951,279 km (0.116 R)
• M68: 25,383,168 km (0.089 R)
• M69: 26,055,461 km (0.075 R)
• M70: 26,573,519 km (0.078 R)
• M71: 26,653,553 km (0.039 R)
• M72: 26,733,738 km (0.093 R)
• M73: 26,813,922 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.3

Radius: 7.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.51 AU - 11.19 AU

Year: 23076 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 73,101,563 km

• M1: 363,523 km (0.092 R)
• M2: 415,882 km (0.093 R)
• M3: 1,085,632 km (0.12 R)
• M4: 1,621,641 km (0.09 R)
• M5: 1,869,525 km (0.108 R)
• M6: 2,063,254 km (0.057 R)
• M7: 2,611,680 km (0.063 R)
• M8: 3,593,490 km (0.087 R)
• M9: 3,673,226 km (0.082 R)
• M10: 4,291,215 km (0.087 R)
• M11: 4,376,037 km (0.092 R)
• M12: 4,896,638 km (0.082 R)
• M13: 4,985,349 km (0.115 R)
• M14: 5,391,208 km (0.101 R)
• M15: 5,854,513 km (0.115 R)
• M16: 6,475,793 km (0.092 R)
• M17: 7,067,901 km (0.099 R)
• M18: 7,269,110 km (0.049 R)
• M19: 7,884,107 km (0.105 R)
• M20: 8,040,437 km (0.105 R)
• M21: 8,945,803 km (0.104 R)
• M22: 9,163,468 km (0.11 R)
• M23: 9,382,928 km (0.094 R)
• M24: 10,278,122 km (0.119 R)
• M25: 11,083,557 km (0.036 R)
• M26: 11,141,900 km (0.092 R)
• M27: 11,200,243 km (0.047 R)
• M28: 11,612,086 km (0.115 R)
• M29: 11,849,647 km (0.033 R)
• M30: 12,999,606 km (0.077 R)
• M31: 13,184,509 km (0.069 R)
• M32: 13,744,155 km (0.101 R)
• M33: 14,058,460 km (0.086 R)
• M34: 15,927,835 km (0.092 R)
• M35: 16,390,691 km (0.116 R)
• M36: 17,261,949 km (0.089 R)
• M37: 17,465,103 km (0.108 R)
• M38: 17,737,221 km (0.112 R)
• M39: 17,805,438 km (0.12 R)
• M40: 18,010,836 km (0.096 R)
• M41: 18,839,907 km (0.12 R)
• M42: 18,909,470 km (0.061 R)
• M43: 19,189,068 km (0.093 R)
• M44: 20,606,807 km (0.114 R)
• M45: 21,038,697 km (0.115 R)
• M46: 21,110,952 km (0.103 R)
• M47: 21,183,208 km (0.078 R)
• M48: 21,473,428 km (0.03 R)
• M49: 21,911,301 km (0.066 R)
• M50: 22,204,812 km (0.05 R)
• M51: 22,795,873 km (0.073 R)
• M52: 25,518,554 km (0.093 R)
• M53: 25,595,597 km (0.081 R)
• M54: 26,137,441 km (0.104 R)
• M55: 26,215,232 km (0.099 R)
• M56: 26,996,432 km (0.117 R)
• M57: 27,390,024 km (0.105 R)
• M58: 27,864,698 km (0.072 R)
• M59: 28,182,743 km (0.097 R)
• M60: 28,662,054 km (0.117 R)
• M61: 28,822,423 km (0.087 R)
• M62: 29,385,959 km (0.073 R)
• M63: 29,790,770 km (0.1 R)
• M64: 29,953,234 km (0.103 R)
• M65: 30,524,099 km (0.113 R)
• M66: 32,759,391 km (0.081 R)
• M67: 33,769,625 km (0.101 R)
• M68: 34,278,557 km (0.092 R)
• M69: 34,363,678 km (0.092 R)
• M70: 44,232,650 km (0.119 R)
• M71: 44,789,453 km (0.097 R)
• M72: 45,535,497 km (0.095 R)
• M73: 46,097,686 km (0.096 R)
• M74: 46,850,762 km (0.116 R)
• M75: 51,065,233 km (0.07 R)
• M76: 51,844,339 km (0.09 R)
• M77: 53,020,627 km (0.059 R)
• M78: 54,503,142 km (0.055 R)
• M79: 54,701,808 km (0.045 R)
• M80: 55,099,888 km (0.079 R)
• M81: 55,698,878 km (0.074 R)
• M82: 56,903,440 km (0.11 R)
• M83: 60,054,420 km (0.051 R)
• M84: 61,806,360 km (0.071 R)
• M85: 63,366,068 km (0.072 R)
• M86: 63,679,475 km (0.079 R)
• M87: 64,728,306 km (0.119 R)
• M88: 67,694,832 km (0.051 R)
• M89: 68,122,233 km (0.078 R)
• M90: 68,657,793 km (0.067 R)
• M91: 69,409,971 km (0.077 R)
• M92: 69,517,532 km (0.062 R)
• M93: 69,733,103 km (0.105 R)
• M94: 71,139,173 km (0.099 R)
• M95: 73,101,598 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,865 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit