🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.52 AU - 0.6 AU

Year: 266 Days

Day: 19.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.7

Radius: 10.1

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.67 AU - 0.73 AU

Year: 372 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,259,789 km

• M1: 125,662 km (0.106 R)
• M2: 456,423 km (0.041 R)
• M3: 825,182 km (0.079 R)
• M4: 1,202,468 km (0.102 R)
• M5: 1,562,251 km (0.101 R)
• M6: 2,144,336 km (0.032 R)
• M7: 3,025,767 km (0.081 R)
• M8: 3,364,456 km (0.107 R)
• M9: 3,753,710 km (0.082 R)
• M10: 4,227,486 km (0.094 R)
• M11: 4,565,278 km (0.111 R)
• M12: 5,012,875 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 11.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.67 AU - 3.13 AU

Year: 3140 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,259,789 km

• M1: 138,677 km (0.066 R)
• M2: 885,320 km (0.116 R)
• M3: 1,673,851 km (0.095 R)
• M4: 2,535,834 km (0.083 R)
• M5: 2,977,746 km (0.081 R)
• M6: 3,470,820 km (0.088 R)
• M7: 5,026,638 km (0.113 R)
• M8: 5,406,168 km (0.085 R)
• M9: 6,802,664 km (0.113 R)
• M10: 8,230,875 km (0.09 R)
• M11: 8,692,534 km (0.088 R)
• M12: 9,417,485 km (0.051 R)
• M13: 12,127,899 km (0.113 R)
• M14: 13,033,116 km (0.057 R)
• M15: 14,785,206 km (0.101 R)
• M16: 17,808,729 km (0.112 R)
• M17: 18,694,797 km (0.048 R)
• M18: 19,091,680 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.5

Radius: 13.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.73 AU - 3.73 AU

Year: 3691 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,259,789 km

• M1: 165,455 km (0.085 R)
• M2: 942,766 km (0.111 R)
• M3: 1,393,355 km (0.106 R)
• M4: 1,870,871 km (0.102 R)
• M5: 3,132,729 km (0.09 R)
• M6: 3,674,273 km (0.035 R)
• M7: 4,877,489 km (0.118 R)
• M8: 5,868,276 km (0.035 R)
• M9: 8,148,446 km (0.034 R)
• M10: 8,619,231 km (0.105 R)
• M11: 9,838,902 km (0.079 R)
• M12: 10,451,206 km (0.064 R)
• M13: 11,293,442 km (0.095 R)
• M14: 14,382,339 km (0.105 R)
• M15: 14,971,904 km (0.089 R)
• M16: 20,716,164 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.9

Radius: 8

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 9.27 AU - 12.75 AU

Year: 23228 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,259,789 km

• M1: 100,081 km (0.114 R)
• M2: 614,847 km (0.044 R)
• M3: 980,016 km (0.105 R)
• M4: 1,341,594 km (0.058 R)
• M5: 2,290,792 km (0.109 R)
• M6: 3,387,345 km (0.069 R)
• M7: 5,511,485 km (0.11 R)
• M8: 5,849,726 km (0.037 R)
• M9: 7,495,003 km (0.089 R)
• M10: 8,507,033 km (0.088 R)
• M11: 10,286,350 km (0.105 R)
• M12: 10,996,790 km (0.114 R)
• M13: 11,397,862 km (0.111 R)
• M14: 12,087,957 km (0.1 R)
• M15: 12,515,208 km (0.093 R)
• M16: 13,324,682 km (0.057 R)
• M17: 16,738,506 km (0.094 R)
• M18: 18,740,424 km (0.111 R)
• M19: 19,798,979 km (0.098 R)
• M20: 21,203,105 km (0.076 R)
• M21: 22,352,166 km (0.062 R)
• M22: 25,463,203 km (0.066 R)
• M23: 27,122,094 km (0.107 R)
• M24: 29,614,993 km (0.09 R)
• M25: 30,653,501 km (0.098 R)
• M26: 32,256,592 km (0.08 R)
• M27: 32,940,853 km (0.068 R)
• M28: 38,920,579 km (0.081 R)
• M29: 44,734,700 km (0.089 R)
• M30: 61,327,497 km (0.085 R)
• M31: 66,916,474 km (0.102 R)
• M32: 68,028,884 km (0.068 R)
• M33: 70,748,723 km (0.072 R)
• M34: 75,202,102 km (0.102 R)
• M35: 77,619,304 km (0.114 R)
• M36: 82,354,077 km (0.112 R)
• M37: 82,863,308 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.9

Radius: 7.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 10.08 AU - 12.36 AU

Year: 23896 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,259,789 km

• M1: 98,884 km (0.117 R)
• M2: 403,316 km (0.069 R)
• M3: 651,499 km (0.088 R)
• M4: 1,205,011 km (0.107 R)
• M5: 1,873,713 km (0.082 R)
• M6: 2,301,414 km (0.056 R)
• M7: 2,583,705 km (0.101 R)
• M8: 3,833,745 km (0.113 R)
• M9: 4,557,798 km (0.086 R)
• M10: 5,149,458 km (0.106 R)
• M11: 7,417,212 km (0.052 R)
• M12: 9,600,144 km (0.048 R)
• M13: 10,278,720 km (0.107 R)
• M14: 10,629,677 km (0.102 R)
• M15: 11,417,758 km (0.12 R)
• M16: 13,592,463 km (0.094 R)
• M17: 16,581,428 km (0.052 R)
• M18: 19,091,680 km (0.028 R)
• M19: 21,368,709 km (0.084 R)
• M20: 23,719,191 km (0.067 R)
• M21: 29,745,143 km (0.085 R)
• M22: 30,698,829 km (0.085 R)
• M23: 35,908,874 km (0.109 R)
• M24: 40,507,812 km (0.102 R)
• M25: 41,531,361 km (0.091 R)
• M26: 41,826,966 km (0.044 R)
• M27: 42,572,113 km (0.107 R)
• M28: 42,872,655 km (0.082 R)
• M29: 44,242,523 km (0.115 R)
• M30: 46,114,142 km (0.076 R)
• M31: 49,184,489 km (0.12 R)
• M32: 58,835,646 km (0.111 R)
• M33: 59,583,037 km (0.077 R)
• M34: 60,716,091 km (0.063 R)
• M35: 64,201,273 km (0.108 R)
• M36: 69,259,775 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 16,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit