🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 10.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.85 AU - 1.15 AU

Year: 678 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,580,357 km

• M1: 133,142 km (0.078 R)
• M2: 468,840 km (0.113 R)
• M3: 865,872 km (0.106 R)
• M4: 1,359,246 km (0.081 R)
• M5: 1,928,017 km (0.08 R)
• M6: 2,363,946 km (0.118 R)
• M7: 2,761,876 km (0.09 R)
• M8: 3,129,587 km (0.116 R)
• M9: 3,556,989 km (0.099 R)
• M10: 4,218,062 km (0.039 R)
• M11: 4,659,226 km (0.081 R)
• M12: 5,131,207 km (0.104 R)
• M13: 6,250,648 km (0.03 R)
• M14: 7,391,032 km (0.107 R)
• M15: 7,777,294 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 10.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.03 AU - 1.15 AU

Year: 772 Days

Day: 8.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,580,357 km

• M1: 127,009 km (0.101 R)
• M2: 460,761 km (0.077 R)
• M3: 817,852 km (0.078 R)
• M4: 1,142,030 km (0.085 R)
• M5: 2,102,448 km (0.036 R)
• M6: 2,554,533 km (0.04 R)
• M7: 3,244,927 km (0.095 R)
• M8: 4,281,641 km (0.064 R)
• M9: 4,710,687 km (0.112 R)
• M10: 5,115,798 km (0.103 R)
• M11: 6,192,155 km (0.111 R)
• M12: 6,658,601 km (0.064 R)
• M13: 7,684,693 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 8.7

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.11 AU - 1.79 AU

Year: 1184 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 115.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,580,357 km

• M1: 108,159 km (0.111 R)
• M2: 431,590 km (0.106 R)
• M3: 787,782 km (0.066 R)
• M4: 1,155,644 km (0.094 R)
• M5: 1,674,449 km (0.081 R)
• M6: 2,188,318 km (0.071 R)
• M7: 2,762,923 km (0.055 R)
• M8: 3,130,186 km (0.114 R)
• M9: 3,610,694 km (0.083 R)
• M10: 4,175,277 km (0.067 R)
• M11: 4,738,513 km (0.059 R)
• M12: 5,811,428 km (0.068 R)
• M13: 8,692,983 km (0.085 R)
• M14: 10,830,437 km (0.097 R)
• M15: 11,212,061 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 10.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.98 AU - 5.44 AU

Year: 6933 Days

Day: 14.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,580,357 km

• M1: 141,220 km (0.059 R)
• M2: 605,722 km (0.102 R)
• M3: 967,898 km (0.12 R)
• M4: 1,391,111 km (0.079 R)
• M5: 1,765,853 km (0.079 R)
• M6: 3,339,473 km (0.077 R)
• M7: 4,230,029 km (0.088 R)
• M8: 15,873,082 km (0.109 R)
• M9: 16,221,645 km (0.119 R)
• M10: 20,469,028 km (0.067 R)
• M11: 25,404,860 km (0.115 R)
• M12: 27,019,320 km (0.038 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.6

Radius: 6.4

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.31 AU - 7.99 AU

Year: 12967 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,580,357 km

• M1: 80,184 km (0.112 R)
• M2: 758,162 km (0.045 R)
• M3: 1,275,771 km (0.073 R)
• M4: 2,135,210 km (0.11 R)
• M5: 2,822,463 km (0.113 R)
• M6: 6,183,179 km (0.089 R)
• M7: 7,877,824 km (0.059 R)
• M8: 8,537,850 km (0.048 R)
• M9: 11,849,049 km (0.039 R)
• M10: 13,820,898 km (0.093 R)
• M11: 14,158,242 km (0.098 R)
• M12: 20,157,565 km (0.118 R)
• M13: 27,444,477 km (0.098 R)
• M14: 27,870,383 km (0.102 R)
• M15: 29,506,834 km (0.107 R)
• M16: 39,193,445 km (0.082 R)
• M17: 44,820,120 km (0.11 R)
• M18: 47,671,755 km (0.113 R)
• M19: 51,282,898 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 3.4

Gravity: 64.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.39 AU - 9.15 AU

Year: 16131 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,580,357 km

• M1: 42,486 km (0.047 R)
• M2: 266,284 km (0.065 R)
• M3: 529,128 km (0.098 R)
• M4: 763,248 km (0.085 R)
• M5: 990,039 km (0.085 R)
• M6: 1,178,233 km (0.09 R)
• M7: 1,676,693 km (0.108 R)
• M8: 1,907,223 km (0.115 R)
• M9: 2,098,709 km (0.074 R)
• M10: 4,987,593 km (0.103 R)
• M11: 5,889,219 km (0.085 R)
• M12: 6,009,047 km (0.1 R)
• M13: 7,624,555 km (0.094 R)
• M14: 7,814,843 km (0.091 R)
• M15: 8,205,144 km (0.119 R)
• M16: 8,455,421 km (0.047 R)
• M17: 8,710,934 km (0.12 R)
• M18: 8,866,666 km (0.083 R)
• M19: 11,431,072 km (0.074 R)
• M20: 12,515,956 km (0.102 R)
• M21: 12,648,051 km (0.103 R)
• M22: 14,161,832 km (0.081 R)
• M23: 14,449,509 km (0.072 R)
• M24: 14,888,279 km (0.104 R)
• M25: 17,792,273 km (0.108 R)
• M26: 18,466,212 km (0.104 R)
• M27: 21,145,509 km (0.036 R)
• M28: 24,585,213 km (0.097 R)
• M29: 25,526,483 km (0.07 R)
• M30: 35,628,229 km (0.099 R)
• M31: 36,967,728 km (0.111 R)
• M32: 38,201,462 km (0.062 R)
• M33: 38,898,588 km (0.106 R)
• M34: 39,604,241 km (0.082 R)
• M35: 40,750,909 km (0.104 R)
• M36: 49,403,500 km (0.092 R)
• M37: 58,463,446 km (0.091 R)
• M38: 63,381,925 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.1

Radius: 5.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.98 AU - 10.48 AU

Year: 20585 Days

Day: 22.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,580,357 km

• M1: 67,169 km (0.097 R)
• M2: 310,565 km (0.027 R)
• M3: 491,130 km (0.068 R)
• M4: 729,290 km (0.088 R)
• M5: 1,567,486 km (0.036 R)
• M6: 1,739,973 km (0.12 R)
• M7: 5,884,582 km (0.068 R)
• M8: 9,912,056 km (0.111 R)
• M9: 10,459,734 km (0.085 R)
• M10: 17,286,483 km (0.117 R)
• M11: 18,484,313 km (0.044 R)
• M12: 22,563,548 km (0.094 R)
• M13: 23,830,791 km (0.066 R)
• M14: 24,399,712 km (0.036 R)
• M15: 26,075,358 km (0.106 R)
• M16: 29,653,888 km (0.119 R)
• M17: 30,028,781 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 5

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.76 AU - 11.88 AU

Year: 20872 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,580,357 km

• M1: 62,831 km (0.034 R)
• M2: 222,602 km (0.083 R)
• M3: 1,423,723 km (0.112 R)
• M4: 1,996,533 km (0.055 R)
• M5: 3,057,930 km (0.032 R)
• M6: 3,361,165 km (0.09 R)
• M7: 3,658,715 km (0.114 R)
• M8: 4,778,455 km (0.119 R)
• M9: 5,219,320 km (0.085 R)
• M10: 5,930,957 km (0.073 R)
• M11: 7,627,995 km (0.055 R)
• M12: 9,921,032 km (0.088 R)
• M13: 11,061,416 km (0.11 R)
• M14: 11,663,248 km (0.072 R)
• M15: 17,285,884 km (0.078 R)
• M16: 22,266,895 km (0.096 R)
• M17: 22,525,400 km (0.07 R)
• M18: 23,313,033 km (0.032 R)
• M19: 28,025,665 km (0.111 R)
• M20: 28,834,242 km (0.076 R)
• M21: 31,895,612 km (0.086 R)
• M22: 39,782,412 km (0.108 R)
• M23: 45,890,194 km (0.083 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 12,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit