🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 37 Hours

Environment

Temp: -134 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 10.8

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.06 AU - 1.74 AU

Year: 1087 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,881,826 km

• M1: 134,339 km (0.098 R)
• M2: 556,803 km (0.086 R)
• M3: 932,593 km (0.101 R)
• M4: 1,640,640 km (0.093 R)
• M5: 2,322,357 km (0.093 R)
• M6: 2,848,493 km (0.111 R)
• M7: 3,406,942 km (0.096 R)
• M8: 4,019,994 km (0.049 R)
• M9: 4,480,905 km (0.056 R)
• M10: 4,820,492 km (0.046 R)
• M11: 5,855,410 km (0.115 R)
• M12: 6,331,879 km (0.066 R)
• M13: 7,107,694 km (0.09 R)
• M14: 8,248,677 km (0.096 R)
• M15: 9,538,510 km (0.1 R)
• M16: 10,492,047 km (0.09 R)
• M17: 11,472,960 km (0.098 R)
• M18: 11,860,718 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 11

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.44 AU - 1.54 AU

Year: 1193 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,881,826 km

• M1: 136,882 km (0.089 R)
• M2: 550,520 km (0.051 R)
• M3: 1,333,067 km (0.055 R)
• M4: 1,848,431 km (0.107 R)
• M5: 2,219,284 km (0.067 R)
• M6: 2,976,848 km (0.049 R)
• M7: 3,431,177 km (0.086 R)
• M8: 3,802,030 km (0.107 R)
• M9: 4,234,069 km (0.11 R)
• M10: 4,698,869 km (0.098 R)
• M11: 6,507,208 km (0.115 R)
• M12: 7,376,970 km (0.11 R)
• M13: 7,919,113 km (0.102 R)
• M14: 8,683,259 km (0.056 R)
• M15: 10,231,896 km (0.113 R)
• M16: 10,678,595 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 11.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.61 AU - 2.27 AU

Year: 1773 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,881,826 km

• M1: 141,968 km (0.101 R)
• M2: 499,956 km (0.111 R)
• M3: 867,518 km (0.07 R)
• M4: 1,270,236 km (0.094 R)
• M5: 1,926,073 km (0.072 R)
• M6: 2,585,650 km (0.112 R)
• M7: 3,083,511 km (0.098 R)
• M8: 4,004,436 km (0.065 R)
• M9: 5,493,533 km (0.097 R)
• M10: 6,279,071 km (0.111 R)
• M11: 6,978,142 km (0.116 R)
• M12: 8,073,199 km (0.082 R)
• M13: 9,007,437 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 10.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.59 AU - 2.63 AU

Year: 2011 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,881,826 km

• M1: 130,599 km (0.108 R)
• M2: 571,464 km (0.095 R)
• M3: 1,061,846 km (0.088 R)
• M4: 1,535,921 km (0.096 R)
• M5: 2,564,257 km (0.06 R)
• M6: 2,932,118 km (0.099 R)
• M7: 5,290,828 km (0.028 R)
• M8: 6,712,456 km (0.11 R)
• M9: 7,941,852 km (0.057 R)
• M10: 8,461,854 km (0.066 R)
• M11: 10,327,040 km (0.108 R)
• M12: 11,409,830 km (0.116 R)
• M13: 12,451,480 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.12 AU - 2.28 AU

Year: 2141 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,881,826 km

• M1: 185,352 km (0.113 R)
• M2: 920,476 km (0.082 R)
• M3: 1,393,205 km (0.056 R)
• M4: 2,069,836 km (0.119 R)
• M5: 2,695,006 km (0.054 R)
• M6: 3,565,665 km (0.09 R)
• M7: 4,232,573 km (0.066 R)
• M8: 4,807,926 km (0.088 R)
• M9: 5,296,513 km (0.08 R)
• M10: 6,719,787 km (0.075 R)
• M11: 8,575,548 km (0.112 R)
• M12: 9,605,230 km (0.115 R)
• M13: 10,096,659 km (0.106 R)
• M14: 10,678,745 km (0.098 R)
• M15: 11,206,526 km (0.07 R)
• M16: 12,811,113 km (0.062 R)
• M17: 13,321,242 km (0.089 R)
• M18: 15,073,481 km (0.037 R)
• M19: 15,786,914 km (0.113 R)
• M20: 16,823,328 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 13.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.76 AU - 3.96 AU

Year: 4040 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,881,826 km

• M1: 176,376 km (0.039 R)
• M2: 697,126 km (0.069 R)
• M3: 1,637,349 km (0.113 R)
• M4: 2,157,052 km (0.07 R)
• M5: 2,983,730 km (0.091 R)
• M6: 4,737,017 km (0.077 R)
• M7: 5,546,790 km (0.091 R)
• M8: 6,248,254 km (0.112 R)
• M9: 7,410,779 km (0.092 R)
• M10: 8,228,930 km (0.083 R)
• M11: 9,070,268 km (0.101 R)
• M12: 10,399,296 km (0.057 R)
• M13: 11,214,904 km (0.098 R)
• M14: 14,961,582 km (0.097 R)
• M15: 15,423,690 km (0.104 R)
• M16: 16,268,918 km (0.046 R)
• M17: 16,757,804 km (0.086 R)
• M18: 20,085,459 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.4

Radius: 6.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.82 AU - 12.1 AU

Year: 23803 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,881,826 km

• M1: 86,019 km (0.113 R)
• M2: 338,241 km (0.08 R)
• M3: 778,507 km (0.09 R)
• M4: 1,542,354 km (0.118 R)
• M5: 2,522,220 km (0.115 R)
• M6: 3,355,480 km (0.057 R)
• M7: 3,865,011 km (0.087 R)
• M8: 4,523,092 km (0.099 R)
• M9: 4,792,667 km (0.089 R)
• M10: 5,401,231 km (0.087 R)
• M11: 6,263,663 km (0.107 R)
• M12: 6,599,061 km (0.081 R)
• M13: 7,079,719 km (0.083 R)
• M14: 7,397,615 km (0.092 R)
• M15: 11,928,186 km (0.109 R)
• M16: 12,974,474 km (0.09 R)
• M17: 13,728,447 km (0.101 R)
• M18: 17,527,036 km (0.096 R)
• M19: 17,941,572 km (0.105 R)
• M20: 19,488,414 km (0.081 R)
• M21: 20,659,466 km (0.112 R)
• M22: 24,248,319 km (0.082 R)
• M23: 25,180,314 km (0.078 R)
• M24: 26,243,506 km (0.053 R)
• M25: 30,437,931 km (0.095 R)
• M26: 32,011,700 km (0.101 R)
• M27: 33,385,158 km (0.093 R)
• M28: 35,716,492 km (0.069 R)
• M29: 37,466,338 km (0.114 R)
• M30: 38,016,110 km (0.083 R)
• M31: 38,292,866 km (0.082 R)
• M32: 42,907,661 km (0.039 R)
• M33: 51,681,876 km (0.037 R)
• M34: 65,669,127 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 18,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit