🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 12.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.69 AU - 0.83 AU

Year: 449 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,694,627 km

• M1: 163,959 km (0.117 R)
• M2: 552,914 km (0.1 R)
• M3: 1,018,163 km (0.07 R)
• M4: 1,439,580 km (0.069 R)
• M5: 1,840,353 km (0.104 R)
• M6: 3,176,860 km (0.102 R)
• M7: 3,669,037 km (0.071 R)
• M8: 4,489,133 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 11.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.79 AU - 2.31 AU

Year: 1991 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,694,627 km

• M1: 146,756 km (0.109 R)
• M2: 1,741,768 km (0.097 R)
• M3: 2,114,416 km (0.12 R)
• M4: 3,185,238 km (0.081 R)
• M5: 3,605,757 km (0.104 R)
• M6: 5,294,717 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 12.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.23 AU - 3.49 AU

Year: 4177 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,694,627 km

• M1: 156,629 km (0.093 R)
• M2: 587,920 km (0.076 R)
• M3: 1,104,032 km (0.064 R)
• M4: 2,186,522 km (0.107 R)
• M5: 2,721,933 km (0.112 R)
• M6: 3,363,559 km (0.066 R)
• M7: 4,172,584 km (0.097 R)
• M8: 4,599,087 km (0.074 R)
• M9: 5,624,730 km (0.086 R)
• M10: 6,206,965 km (0.056 R)
• M11: 9,182,467 km (0.074 R)
• M12: 9,949,904 km (0.111 R)
• M13: 12,414,080 km (0.03 R)
• M14: 15,764,474 km (0.115 R)
• M15: 17,404,067 km (0.1 R)
• M16: 18,265,302 km (0.106 R)
• M17: 18,897,652 km (0.039 R)
• M18: 20,072,743 km (0.04 R)
• M19: 20,610,248 km (0.109 R)
• M20: 23,149,523 km (0.057 R)
• M21: 24,191,172 km (0.082 R)
• M22: 25,497,611 km (0.102 R)
• M23: 26,689,008 km (0.063 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574

Radius: 7.7

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.75 AU - 6.91 AU

Year: 10802 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,694,627 km

• M1: 95,743 km (0.11 R)
• M2: 350,209 km (0.079 R)
• M3: 793,916 km (0.085 R)
• M4: 1,160,431 km (0.092 R)
• M5: 1,482,964 km (0.057 R)
• M6: 3,897,025 km (0.11 R)
• M7: 4,140,121 km (0.091 R)
• M8: 5,120,137 km (0.118 R)
• M9: 5,579,552 km (0.105 R)
• M10: 7,407,039 km (0.059 R)
• M11: 7,866,454 km (0.111 R)
• M12: 8,888,507 km (0.102 R)
• M13: 9,311,570 km (0.083 R)
• M14: 9,698,879 km (0.113 R)
• M15: 10,096,809 km (0.058 R)
• M16: 10,714,199 km (0.077 R)
• M17: 11,576,332 km (0.116 R)
• M18: 12,081,075 km (0.115 R)
• M19: 14,375,458 km (0.104 R)
• M20: 26,082,838 km (0.09 R)
• M21: 29,048,167 km (0.092 R)
• M22: 29,459,710 km (0.042 R)
• M23: 29,979,862 km (0.08 R)
• M24: 30,294,766 km (0.073 R)
• M25: 33,005,629 km (0.107 R)
• M26: 34,477,372 km (0.04 R)
• M27: 46,164,108 km (0.094 R)
• M28: 47,289,981 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.4

Radius: 5.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.09 AU - 8.45 AU

Year: 13295 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,694,627 km

• M1: 71,209 km (0.116 R)
• M2: 339,886 km (0.11 R)
• M3: 658,380 km (0.104 R)
• M4: 899,831 km (0.112 R)
• M5: 1,600,099 km (0.115 R)
• M6: 2,783,418 km (0.057 R)
• M7: 4,245,737 km (0.1 R)
• M8: 4,728,938 km (0.105 R)
• M9: 6,037,770 km (0.116 R)
• M10: 6,936,255 km (0.065 R)
• M11: 8,917,978 km (0.066 R)
• M12: 9,386,967 km (0.108 R)
• M13: 12,943,507 km (0.093 R)
• M14: 13,800,404 km (0.062 R)
• M15: 18,595,614 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.3

Radius: 4.4

Gravity: 46.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.42 AU - 7.66 AU

Year: 14043 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,694,627 km

• M1: 54,902 km (0.083 R)
• M2: 267,481 km (0.08 R)
• M3: 526,585 km (0.087 R)
• M4: 812,466 km (0.118 R)
• M5: 1,043,894 km (0.071 R)
• M6: 1,248,843 km (0.097 R)
• M7: 1,405,023 km (0.092 R)
• M8: 1,862,643 km (0.118 R)
• M9: 2,067,592 km (0.109 R)
• M10: 2,328,940 km (0.09 R)
• M11: 7,636,223 km (0.078 R)
• M12: 8,813,259 km (0.093 R)
• M13: 10,390,619 km (0.05 R)
• M14: 10,975,547 km (0.031 R)
• M15: 12,598,684 km (0.078 R)
• M16: 13,399,182 km (0.052 R)
• M17: 13,673,395 km (0.095 R)
• M18: 15,248,810 km (0.096 R)
• M19: 19,271,198 km (0.087 R)
• M20: 22,472,891 km (0.091 R)
• M21: 26,331,469 km (0.049 R)
• M22: 28,982,942 km (0.041 R)
• M23: 30,609,071 km (0.072 R)
• M24: 31,084,642 km (0.119 R)
• M25: 35,982,327 km (0.079 R)
• M26: 36,246,517 km (0.083 R)
• M27: 37,046,716 km (0.048 R)
• M28: 37,316,142 km (0.041 R)
• M29: 40,650,977 km (0.073 R)
• M30: 42,981,413 km (0.089 R)
• M31: 45,862,518 km (0.086 R)
• M32: 47,113,157 km (0.113 R)
• M33: 50,503,942 km (0.099 R)
• M34: 51,669,309 km (0.047 R)
• M35: 54,053,899 km (0.106 R)
• M36: 54,226,984 km (0.118 R)
• M37: 56,510,596 km (0.087 R)
• M38: 57,405,789 km (0.106 R)
• M39: 63,938,280 km (0.083 R)
• M40: 65,105,592 km (0.047 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 11,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit