🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.8

Radius: 13.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.79 AU - 1.05 AU

Year: 579 Days

Day: 8 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,122,027 km

• M1: 175,777 km (0.094 R)
• M2: 676,482 km (0.095 R)
• M3: 1,132,755 km (0.09 R)
• M4: 1,642,585 km (0.12 R)
• M5: 2,232,000 km (0.055 R)
• M6: 2,669,724 km (0.097 R)
• M7: 3,271,855 km (0.104 R)
• M8: 3,709,429 km (0.095 R)
• M9: 4,315,300 km (0.108 R)
• M10: 5,034,866 km (0.092 R)
• M11: 5,977,183 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 13.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.92 AU - 1 AU

Year: 617 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,122,027 km

• M1: 165,455 km (0.038 R)
• M2: 597,045 km (0.085 R)
• M3: 1,010,683 km (0.057 R)
• M4: 1,442,273 km (0.096 R)
• M5: 1,992,793 km (0.104 R)
• M6: 2,572,186 km (0.095 R)
• M7: 3,063,914 km (0.063 R)
• M8: 3,595,286 km (0.102 R)
• M9: 4,277,751 km (0.035 R)
• M10: 4,705,601 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 8.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.31 AU - 1.85 AU

Year: 1303 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,122,027 km

• M1: 109,506 km (0.105 R)
• M2: 395,387 km (0.119 R)
• M3: 1,135,448 km (0.114 R)
• M4: 1,418,637 km (0.036 R)
• M5: 1,732,942 km (0.101 R)
• M6: 2,017,776 km (0.032 R)
• M7: 2,604,349 km (0.107 R)
• M8: 2,895,467 km (0.063 R)
• M9: 3,461,545 km (0.077 R)
• M10: 4,145,507 km (0.093 R)
• M11: 4,847,719 km (0.102 R)
• M12: 5,200,172 km (0.109 R)
• M13: 5,569,828 km (0.113 R)
• M14: 6,872,227 km (0.083 R)
• M15: 7,204,783 km (0.096 R)
• M16: 7,478,547 km (0.055 R)
• M17: 7,878,273 km (0.098 R)
• M18: 8,416,675 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.3

Radius: 13.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.68 AU - 3.06 AU

Year: 3190 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,122,027 km

• M1: 172,935 km (0.111 R)
• M2: 739,013 km (0.119 R)
• M3: 1,589,627 km (0.054 R)
• M4: 4,042,434 km (0.092 R)
• M5: 4,635,888 km (0.065 R)
• M6: 6,816,577 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 15

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.72 AU - 3.76 AU

Year: 3826 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,122,027 km

• M1: 186,549 km (0.111 R)
• M2: 667,356 km (0.083 R)
• M3: 1,296,565 km (0.113 R)
• M4: 1,861,596 km (0.114 R)
• M5: 2,784,615 km (0.062 R)
• M6: 3,491,166 km (0.108 R)
• M7: 4,651,596 km (0.119 R)
• M8: 5,222,312 km (0.079 R)
• M9: 7,785,821 km (0.104 R)
• M10: 9,690,800 km (0.084 R)
• M11: 10,413,657 km (0.03 R)
• M12: 11,698,404 km (0.087 R)
• M13: 13,004,094 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 11.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.05 AU - 4.53 AU

Year: 5829 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,122,027 km

• M1: 140,622 km (0.106 R)
• M2: 759,658 km (0.096 R)
• M3: 1,294,022 km (0.103 R)
• M4: 1,979,778 km (0.036 R)
• M5: 2,449,815 km (0.1 R)
• M6: 2,914,167 km (0.062 R)
• M7: 3,548,611 km (0.107 R)
• M8: 3,996,806 km (0.107 R)
• M9: 5,390,011 km (0.063 R)
• M10: 5,951,901 km (0.096 R)
• M11: 7,120,260 km (0.104 R)
• M12: 7,758,894 km (0.114 R)
• M13: 8,313,303 km (0.066 R)
• M14: 9,150,902 km (0.088 R)
• M15: 11,899,314 km (0.08 R)
• M16: 15,095,921 km (0.115 R)
• M17: 15,648,236 km (0.093 R)
• M18: 18,061,849 km (0.057 R)
• M19: 21,472,830 km (0.081 R)
• M20: 22,250,290 km (0.065 R)
• M21: 23,779,180 km (0.098 R)
• M22: 24,864,961 km (0.081 R)
• M23: 25,635,690 km (0.034 R)
• M24: 29,255,659 km (0.111 R)
• M25: 31,088,831 km (0.094 R)
• M26: 31,683,333 km (0.103 R)
• M27: 33,202,799 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 625.3

Radius: 3.6

Gravity: 48.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.85 AU - 9.69 AU

Year: 14208 Days

Day: 16.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 50,122,027 km

• M1: 46,076 km (0.099 R)
• M2: 179,817 km (0.076 R)
• M3: 333,304 km (0.096 R)
• M4: 453,880 km (0.118 R)
• M5: 787,483 km (0.072 R)
• M6: 1,029,981 km (0.031 R)
• M7: 1,306,438 km (0.078 R)
• M8: 1,521,859 km (0.103 R)
• M9: 2,562,462 km (0.119 R)
• M10: 2,830,392 km (0.085 R)
• M11: 4,062,330 km (0.094 R)
• M12: 4,395,335 km (0.071 R)
• M13: 4,746,142 km (0.091 R)
• M14: 5,012,875 km (0.096 R)
• M15: 6,457,990 km (0.105 R)
• M16: 6,620,454 km (0.048 R)
• M17: 8,688,495 km (0.069 R)
• M18: 10,192,253 km (0.037 R)
• M19: 10,862,451 km (0.059 R)
• M20: 12,351,847 km (0.106 R)
• M21: 12,855,843 km (0.045 R)
• M22: 14,868,084 km (0.06 R)
• M23: 16,697,815 km (0.102 R)
• M24: 17,235,769 km (0.089 R)
• M25: 17,705,955 km (0.106 R)
• M26: 18,754,038 km (0.076 R)
• M27: 19,001,772 km (0.119 R)
• M28: 21,239,906 km (0.106 R)
• M29: 21,599,090 km (0.077 R)
• M30: 25,923,965 km (0.1 R)
• M31: 26,334,162 km (0.114 R)
• M32: 29,885,167 km (0.081 R)
• M33: 31,251,743 km (0.105 R)
• M34: 32,659,310 km (0.117 R)
• M35: 33,017,746 km (0.108 R)
• M36: 34,724,957 km (0.116 R)
• M37: 37,525,279 km (0.091 R)
• M38: 39,789,443 km (0.101 R)
• M39: 41,302,027 km (0.102 R)
• M40: 42,852,609 km (0.086 R)
• M41: 53,142,400 km (0.086 R)
• M42: 57,367,941 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.4

Radius: 6.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.92 AU - 12.94 AU

Year: 22097 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,122,027 km

• M1: 84,672 km (0.06 R)
• M2: 375,191 km (0.055 R)
• M3: 630,854 km (0.107 R)
• M4: 1,253,929 km (0.036 R)
• M5: 1,707,660 km (0.042 R)
• M6: 2,829,045 km (0.068 R)
• M7: 5,345,132 km (0.096 R)
• M8: 8,363,119 km (0.059 R)
• M9: 10,412,610 km (0.105 R)
• M10: 11,274,444 km (0.118 R)
• M11: 20,690,732 km (0.069 R)
• M12: 22,927,669 km (0.088 R)
• M13: 34,183,263 km (0.046 R)
• M14: 44,354,422 km (0.12 R)
• M15: 48,488,859 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 18,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit