🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 14.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.8 AU - 0.92 AU

Year: 515 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,062,151 km

• M1: 213,327 km (0.109 R)
• M2: 890,556 km (0.112 R)
• M3: 1,401,433 km (0.054 R)
• M4: 1,876,406 km (0.108 R)
• M5: 2,660,000 km (0.075 R)
• M6: 3,358,622 km (0.091 R)
• M7: 4,231,525 km (0.047 R)
• M8: 5,409,609 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 9.4

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.05 AU - 1.31 AU

Year: 828 Days

Day: 10.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,062,151 km

• M1: 117,135 km (0.116 R)
• M2: 500,854 km (0.047 R)
• M3: 810,671 km (0.093 R)
• M4: 1,390,213 km (0.058 R)
• M5: 1,928,616 km (0.118 R)
• M6: 2,419,446 km (0.11 R)
• M7: 3,215,157 km (0.061 R)
• M8: 3,520,935 km (0.104 R)
• M9: 3,831,201 km (0.108 R)
• M10: 4,456,072 km (0.046 R)
• M11: 5,241,161 km (0.102 R)
• M12: 6,053,029 km (0.081 R)
• M13: 6,456,644 km (0.119 R)
• M14: 6,810,443 km (0.049 R)
• M15: 7,801,080 km (0.076 R)
• M16: 8,644,812 km (0.073 R)
• M17: 9,463,412 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 11.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.07 AU - 1.47 AU

Year: 924 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,062,151 km

• M1: 146,756 km (0.064 R)
• M2: 598,990 km (0.096 R)
• M3: 1,113,906 km (0.079 R)
• M4: 1,947,764 km (0.105 R)
• M5: 2,370,378 km (0.075 R)
• M6: 3,186,734 km (0.084 R)
• M7: 3,930,534 km (0.069 R)
• M8: 4,527,879 km (0.112 R)
• M9: 4,983,105 km (0.075 R)
• M10: 5,507,595 km (0.037 R)
• M11: 6,341,903 km (0.035 R)
• M12: 6,756,289 km (0.109 R)
• M13: 7,591,194 km (0.095 R)
• M14: 8,389,897 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 8.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.02 AU - 1.64 AU

Year: 990 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,062,151 km

• M1: 111,002 km (0.049 R)
• M2: 418,575 km (0.115 R)
• M3: 736,321 km (0.045 R)
• M4: 1,378,694 km (0.114 R)
• M5: 2,169,768 km (0.068 R)
• M6: 2,489,009 km (0.08 R)
• M7: 2,828,297 km (0.059 R)
• M8: 3,161,302 km (0.067 R)
• M9: 3,533,651 km (0.062 R)
• M10: 4,036,450 km (0.078 R)
• M11: 4,731,481 km (0.039 R)
• M12: 5,064,935 km (0.087 R)
• M13: 5,360,690 km (0.082 R)
• M14: 6,200,084 km (0.099 R)
• M15: 6,538,923 km (0.082 R)
• M16: 7,081,365 km (0.09 R)
• M17: 7,608,249 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 9.4

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.53 AU - 2.05 AU

Year: 1546 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,062,151 km

• M1: 117,285 km (0.104 R)
• M2: 432,338 km (0.077 R)
• M3: 886,667 km (0.116 R)
• M4: 1,359,845 km (0.056 R)
• M5: 1,685,070 km (0.088 R)
• M6: 2,707,871 km (0.045 R)
• M7: 3,244,778 km (0.05 R)
• M8: 5,014,221 km (0.109 R)
• M9: 8,603,374 km (0.08 R)
• M10: 9,698,280 km (0.057 R)
• M11: 10,535,280 km (0.081 R)
• M12: 12,391,341 km (0.054 R)
• M13: 13,135,441 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.3

Radius: 9.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.06 AU - 3 AU

Year: 2598 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,062,151 km

• M1: 121,922 km (0.099 R)
• M2: 467,045 km (0.094 R)
• M3: 792,121 km (0.117 R)
• M4: 1,152,203 km (0.095 R)
• M5: 1,579,305 km (0.073 R)
• M6: 2,020,469 km (0.091 R)
• M7: 2,648,182 km (0.064 R)
• M8: 3,101,164 km (0.084 R)
• M9: 3,897,174 km (0.088 R)
• M10: 4,708,743 km (0.068 R)
• M11: 5,106,523 km (0.041 R)
• M12: 6,050,486 km (0.052 R)
• M13: 7,662,852 km (0.095 R)
• M14: 8,654,237 km (0.119 R)
• M15: 9,361,236 km (0.049 R)
• M16: 10,106,234 km (0.12 R)
• M17: 10,454,198 km (0.102 R)
• M18: 13,860,692 km (0.099 R)
• M19: 14,387,426 km (0.1 R)
• M20: 15,480,537 km (0.098 R)
• M21: 20,657,671 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.1

Radius: 6.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.56 AU - 8.6 AU

Year: 12164 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,062,151 km

• M1: 79,287 km (0.116 R)
• M2: 629,508 km (0.071 R)
• M3: 1,187,059 km (0.107 R)
• M4: 1,775,876 km (0.08 R)
• M5: 2,617,664 km (0.115 R)
• M6: 3,582,420 km (0.091 R)
• M7: 4,068,314 km (0.105 R)
• M8: 4,488,086 km (0.119 R)
• M9: 5,201,069 km (0.07 R)
• M10: 6,742,077 km (0.113 R)
• M11: 7,558,732 km (0.114 R)
• M12: 8,192,727 km (0.094 R)
• M13: 10,071,976 km (0.054 R)
• M14: 10,355,314 km (0.113 R)
• M15: 10,692,508 km (0.085 R)
• M16: 10,937,848 km (0.078 R)
• M17: 11,237,044 km (0.1 R)
• M18: 15,206,474 km (0.104 R)
• M19: 16,801,038 km (0.049 R)
• M20: 17,266,736 km (0.082 R)
• M21: 19,215,996 km (0.066 R)
• M22: 21,307,524 km (0.085 R)
• M23: 23,135,311 km (0.082 R)
• M24: 27,281,565 km (0.119 R)
• M25: 29,433,082 km (0.055 R)
• M26: 32,100,262 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.3

Radius: 4.7

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.18 AU - 9.78 AU

Year: 15944 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,062,151 km

• M1: 62,981 km (0.058 R)
• M2: 278,551 km (0.107 R)
• M3: 697,724 km (0.06 R)
• M4: 993,629 km (0.102 R)
• M5: 1,294,770 km (0.086 R)
• M6: 1,460,225 km (0.084 R)
• M7: 2,287,351 km (0.116 R)
• M8: 2,729,413 km (0.092 R)
• M9: 2,895,916 km (0.072 R)
• M10: 4,540,146 km (0.092 R)
• M11: 5,078,549 km (0.115 R)
• M12: 6,389,624 km (0.074 R)
• M13: 8,079,631 km (0.099 R)
• M14: 9,280,902 km (0.095 R)
• M15: 9,563,193 km (0.109 R)
• M16: 12,882,621 km (0.076 R)
• M17: 13,057,501 km (0.047 R)
• M18: 14,078,506 km (0.057 R)
• M19: 16,966,493 km (0.08 R)
• M20: 17,673,792 km (0.117 R)
• M21: 19,375,019 km (0.037 R)
• M22: 25,128,403 km (0.103 R)
• M23: 25,492,973 km (0.056 R)
• M24: 32,351,437 km (0.046 R)
• M25: 36,724,033 km (0.101 R)
• M26: 41,474,364 km (0.11 R)
• M27: 42,239,707 km (0.049 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 16,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit