🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 11.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 7.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,928,658 km

• M1: 147,952 km (0.115 R)
• M2: 548,575 km (0.109 R)
• M3: 924,066 km (0.117 R)
• M4: 1,298,510 km (0.077 R)
• M5: 1,765,255 km (0.093 R)
• M6: 2,424,533 km (0.104 R)
• M7: 2,858,217 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.6

Radius: 12.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.08 AU - 1.4 AU

Year: 937 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,928,658 km

• M1: 154,235 km (0.094 R)
• M2: 542,591 km (0.109 R)
• M3: 1,086,679 km (0.092 R)
• M4: 1,640,191 km (0.116 R)
• M5: 2,084,347 km (0.103 R)
• M6: 2,965,628 km (0.113 R)
• M7: 3,548,312 km (0.108 R)
• M8: 3,958,210 km (0.075 R)
• M9: 4,804,336 km (0.065 R)
• M10: 5,553,671 km (0.116 R)
• M11: 7,378,017 km (0.1 R)
• M12: 8,658,725 km (0.08 R)
• M13: 9,081,339 km (0.078 R)

Asteroid Belt

Center: 1.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 12.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.76 AU - 2.12 AU

Year: 1833 Days

Day: 11 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,928,658 km

• M1: 192,233 km (0.088 R)
• M2: 679,174 km (0.082 R)
• M3: 1,105,528 km (0.076 R)
• M4: 1,562,101 km (0.105 R)
• M5: 1,948,811 km (0.087 R)
• M6: 2,743,176 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 14.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.33 AU - 2.59 AU

Year: 2617 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 146.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,928,658 km

• M1: 182,061 km (0.087 R)
• M2: 1,390,811 km (0.095 R)
• M3: 1,896,751 km (0.111 R)
• M4: 2,461,932 km (0.074 R)
• M5: 3,814,297 km (0.082 R)
• M6: 4,767,684 km (0.073 R)
• M7: 6,540,419 km (0.028 R)
• M8: 7,848,503 km (0.106 R)
• M9: 10,906,732 km (0.089 R)
• M10: 13,066,476 km (0.086 R)
• M11: 13,690,449 km (0.084 R)
• M12: 14,377,851 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.03 AU - 3.35 AU

Year: 2992 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,928,658 km

• M1: 111,899 km (0.076 R)
• M2: 456,274 km (0.115 R)
• M3: 762,201 km (0.115 R)
• M4: 1,292,825 km (0.076 R)
• M5: 2,488,710 km (0.098 R)
• M6: 3,505,677 km (0.032 R)
• M7: 4,044,678 km (0.111 R)
• M8: 4,501,400 km (0.052 R)
• M9: 5,998,127 km (0.033 R)
• M10: 6,563,756 km (0.099 R)
• M11: 8,337,688 km (0.034 R)
• M12: 10,936,502 km (0.105 R)
• M13: 12,486,785 km (0.098 R)
• M14: 13,456,029 km (0.082 R)
• M15: 15,648,236 km (0.074 R)
• M16: 17,724,505 km (0.082 R)
• M17: 18,769,446 km (0.086 R)
• M18: 21,109,307 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.2

Radius: 5.9

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.88 AU - 8.26 AU

Year: 12750 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,928,658 km

• M1: 76,145 km (0.068 R)
• M2: 295,755 km (0.053 R)
• M3: 557,402 km (0.098 R)
• M4: 940,671 km (0.094 R)
• M5: 1,208,900 km (0.076 R)
• M6: 1,472,941 km (0.058 R)
• M7: 2,351,230 km (0.114 R)
• M8: 2,765,017 km (0.102 R)
• M9: 3,000,634 km (0.091 R)
• M10: 3,463,191 km (0.067 R)
• M11: 3,892,686 km (0.075 R)
• M12: 4,558,846 km (0.056 R)
• M13: 6,294,779 km (0.085 R)
• M14: 7,329,697 km (0.111 R)
• M15: 9,064,584 km (0.096 R)
• M16: 9,441,720 km (0.038 R)
• M17: 10,027,096 km (0.106 R)
• M18: 10,430,562 km (0.108 R)
• M19: 13,625,224 km (0.085 R)
• M20: 14,057,712 km (0.082 R)
• M21: 14,308,887 km (0.094 R)
• M22: 14,563,054 km (0.093 R)
• M23: 15,146,036 km (0.045 R)
• M24: 18,445,717 km (0.099 R)
• M25: 18,898,699 km (0.115 R)
• M26: 20,143,054 km (0.069 R)
• M27: 24,472,716 km (0.117 R)
• M28: 25,855,150 km (0.074 R)
• M29: 26,137,890 km (0.104 R)
• M30: 30,418,633 km (0.072 R)
• M31: 36,545,114 km (0.098 R)
• M32: 37,861,875 km (0.091 R)
• M33: 38,839,048 km (0.105 R)
• M34: 40,589,642 km (0.087 R)
• M35: 44,922,445 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.3

Radius: 6.6

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.13 AU - 11.33 AU

Year: 23839 Days

Day: 24 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,928,658 km

• M1: 82,129 km (0.088 R)
• M2: 324,627 km (0.107 R)
• M3: 826,379 km (0.089 R)
• M4: 1,964,370 km (0.101 R)
• M5: 2,264,164 km (0.109 R)
• M6: 3,109,990 km (0.075 R)
• M7: 3,518,692 km (0.104 R)
• M8: 3,901,213 km (0.083 R)
• M9: 4,961,713 km (0.115 R)
• M10: 7,213,011 km (0.12 R)
• M11: 10,478,433 km (0.1 R)
• M12: 11,145,789 km (0.066 R)
• M13: 11,776,644 km (0.05 R)
• M14: 12,903,415 km (0.115 R)
• M15: 19,995,700 km (0.081 R)
• M16: 20,457,359 km (0.08 R)
• M17: 21,594,303 km (0.079 R)
• M18: 23,174,954 km (0.077 R)
• M19: 27,916,907 km (0.059 R)
• M20: 28,377,669 km (0.111 R)
• M21: 29,910,000 km (0.078 R)
• M22: 34,046,082 km (0.115 R)
• M23: 42,818,052 km (0.06 R)
• M24: 44,988,119 km (0.109 R)
• M25: 50,731,630 km (0.046 R)
• M26: 53,335,979 km (0.116 R)
• M27: 54,940,716 km (0.107 R)
• M28: 55,301,546 km (0.108 R)
• M29: 57,129,931 km (0.082 R)
• M30: 58,998,109 km (0.087 R)
• M31: 59,376,592 km (0.111 R)
• M32: 62,462,945 km (0.095 R)
• M33: 65,654,466 km (0.087 R)
• M34: 66,469,027 km (0.09 R)
• M35: 69,794,737 km (0.111 R)
• M36: 70,856,283 km (0.086 R)
• M37: 71,498,507 km (0.075 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 10,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit