🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 9.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.86 AU - 1.08 AU

Year: 617 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,882,669 km

• M1: 125,363 km (0.114 R)
• M2: 443,258 km (0.057 R)
• M3: 782,696 km (0.086 R)
• M4: 1,243,906 km (0.053 R)
• M5: 1,612,067 km (0.065 R)
• M6: 1,937,592 km (0.109 R)
• M7: 2,253,243 km (0.074 R)
• M8: 2,946,330 km (0.098 R)
• M9: 3,355,031 km (0.075 R)
• M10: 3,998,751 km (0.108 R)
• M11: 4,315,151 km (0.103 R)
• M12: 4,707,845 km (0.081 R)
• M13: 5,092,760 km (0.111 R)
• M14: 5,432,198 km (0.104 R)
• M15: 5,908,368 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 11.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.6 AU - 2.08 AU

Year: 1612 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,882,669 km

• M1: 148,102 km (0.089 R)
• M2: 947,852 km (0.117 R)
• M3: 1,384,528 km (0.098 R)
• M4: 2,298,721 km (0.086 R)
• M5: 2,918,355 km (0.067 R)
• M6: 3,337,528 km (0.072 R)
• M7: 3,939,211 km (0.11 R)
• M8: 4,598,938 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 14.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.49 AU - 4.15 AU

Year: 3906 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 160.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,882,669 km

• M1: 181,612 km (0.053 R)
• M2: 708,645 km (0.092 R)
• M3: 1,512,434 km (0.057 R)
• M4: 2,298,122 km (0.043 R)
• M5: 3,051,797 km (0.117 R)
• M6: 4,931,344 km (0.102 R)
• M7: 7,262,977 km (0.073 R)
• M8: 8,780,946 km (0.115 R)
• M9: 11,574,387 km (0.094 R)
• M10: 12,531,066 km (0.103 R)
• M11: 13,246,143 km (0.109 R)
• M12: 13,938,034 km (0.089 R)
• M13: 16,048,560 km (0.111 R)
• M14: 17,529,878 km (0.079 R)
• M15: 18,003,655 km (0.118 R)
• M16: 20,829,409 km (0.071 R)
• M17: 23,010,845 km (0.101 R)
• M18: 23,866,994 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.8

Radius: 12

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.38 AU - 3.68 AU

Year: 4282 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,882,669 km

• M1: 151,692 km (0.067 R)
• M2: 586,274 km (0.117 R)
• M3: 1,011,880 km (0.117 R)
• M4: 1,439,580 km (0.115 R)
• M5: 1,917,994 km (0.081 R)
• M6: 2,403,739 km (0.087 R)
• M7: 3,776,598 km (0.049 R)
• M8: 7,742,587 km (0.109 R)
• M9: 9,020,303 km (0.118 R)
• M10: 10,433,853 km (0.112 R)
• M11: 11,865,056 km (0.056 R)
• M12: 17,475,574 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 14.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.35 AU - 5.95 AU

Year: 7546 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,882,669 km

• M1: 185,352 km (0.095 R)
• M2: 709,244 km (0.053 R)
• M3: 1,370,466 km (0.109 R)
• M4: 1,931,757 km (0.039 R)
• M5: 2,610,782 km (0.115 R)
• M6: 7,126,543 km (0.071 R)
• M7: 7,722,242 km (0.079 R)
• M8: 9,622,733 km (0.118 R)
• M9: 10,730,057 km (0.032 R)
• M10: 11,615,227 km (0.094 R)
• M11: 16,660,116 km (0.083 R)
• M12: 21,826,030 km (0.106 R)
• M13: 23,816,280 km (0.12 R)
• M14: 29,364,716 km (0.11 R)
• M15: 31,390,869 km (0.095 R)
• M16: 31,986,418 km (0.109 R)
• M17: 32,792,452 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.3

Radius: 5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.12 AU - 9.68 AU

Year: 14337 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,882,669 km

• M1: 68,067 km (0.052 R)
• M2: 341,981 km (0.111 R)
• M3: 781,649 km (0.094 R)
• M4: 1,101,788 km (0.116 R)
• M5: 1,274,275 km (0.094 R)
• M6: 1,652,608 km (0.08 R)
• M7: 1,903,783 km (0.092 R)
• M8: 6,077,713 km (0.065 R)
• M9: 14,087,931 km (0.09 R)
• M10: 16,280,886 km (0.064 R)
• M11: 17,112,500 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 4.5

Gravity: 32.83 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.77 AU - 12.07 AU

Year: 21718 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,882,669 km

• M1: 62,682 km (0.052 R)
• M2: 419,772 km (0.053 R)
• M3: 682,765 km (0.119 R)
• M4: 1,470,098 km (0.109 R)
• M5: 1,801,906 km (0.032 R)
• M6: 1,955,843 km (0.086 R)
• M7: 2,425,430 km (0.075 R)
• M8: 3,209,622 km (0.084 R)
• M9: 4,317,694 km (0.109 R)
• M10: 4,995,073 km (0.094 R)
• M11: 6,877,463 km (0.113 R)
• M12: 7,352,137 km (0.062 R)
• M13: 7,899,067 km (0.101 R)
• M14: 8,472,775 km (0.072 R)
• M15: 9,820,053 km (0.102 R)
• M16: 11,697,058 km (0.088 R)
• M17: 14,554,078 km (0.12 R)
• M18: 17,844,034 km (0.078 R)
• M19: 21,898,436 km (0.085 R)
• M20: 24,734,961 km (0.116 R)
• M21: 27,336,617 km (0.066 R)
• M22: 27,688,920 km (0.1 R)
• M23: 29,495,763 km (0.104 R)
• M24: 30,490,739 km (0.103 R)
• M25: 33,075,940 km (0.096 R)
• M26: 41,084,362 km (0.086 R)
• M27: 42,953,737 km (0.049 R)
• M28: 45,205,335 km (0.11 R)
• M29: 48,385,337 km (0.108 R)
• M30: 54,442,106 km (0.108 R)
• M31: 56,315,221 km (0.066 R)
• M32: 63,208,990 km (0.063 R)
• M33: 63,619,038 km (0.115 R)
• M34: 64,030,881 km (0.096 R)
• M35: 65,277,180 km (0.034 R)
• M36: 66,963,747 km (0.111 R)
• M37: 78,168,478 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.2

Radius: 6.6

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.65 AU - 11.13 AU

Year: 23204 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,882,669 km

• M1: 82,129 km (0.118 R)
• M2: 320,738 km (0.1 R)
• M3: 2,683,786 km (0.09 R)
• M4: 2,920,150 km (0.04 R)
• M5: 4,533,863 km (0.089 R)
• M6: 5,143,624 km (0.106 R)
• M7: 5,593,464 km (0.11 R)
• M8: 6,905,887 km (0.032 R)
• M9: 8,977,967 km (0.119 R)
• M10: 10,569,688 km (0.085 R)
• M11: 10,895,961 km (0.073 R)
• M12: 15,604,853 km (0.074 R)
• M13: 16,721,302 km (0.058 R)
• M14: 20,489,972 km (0.069 R)
• M15: 25,715,126 km (0.083 R)
• M16: 26,068,476 km (0.085 R)
• M17: 26,905,327 km (0.119 R)
• M18: 28,131,880 km (0.096 R)
• M19: 29,267,178 km (0.066 R)
• M20: 35,988,909 km (0.103 R)
• M21: 37,476,511 km (0.117 R)
• M22: 38,082,980 km (0.108 R)
• M23: 40,892,877 km (0.11 R)
• M24: 44,173,708 km (0.075 R)
• M25: 44,680,546 km (0.11 R)
• M26: 47,803,102 km (0.069 R)
• M27: 48,158,696 km (0.099 R)
• M28: 52,754,941 km (0.043 R)
• M29: 53,708,029 km (0.109 R)
• M30: 55,061,441 km (0.092 R)
• M31: 64,309,731 km (0.106 R)
• M32: 65,178,595 km (0.05 R)
• M33: 67,385,014 km (0.091 R)
• M34: 74,779,787 km (0.084 R)
• M35: 75,499,652 km (0.118 R)
• M36: 78,178,351 km (0.1 R)
• M37: 82,953,366 km (0.114 R)
• M38: 84,760,358 km (0.09 R)
• M39: 85,020,659 km (0.098 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: 285 - 13,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit