🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 9.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.03 AU - 2.67 AU

Year: 2363 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,102,661 km

• M1: 120,576 km (0.098 R)
• M2: 430,243 km (0.093 R)
• M3: 740,958 km (0.084 R)
• M4: 1,129,314 km (0.042 R)
• M5: 2,373,071 km (0.116 R)
• M6: 2,759,632 km (0.102 R)
• M7: 3,255,250 km (0.119 R)
• M8: 3,790,511 km (0.071 R)
• M9: 5,037,110 km (0.081 R)
• M10: 5,654,949 km (0.057 R)
• M11: 5,982,419 km (0.12 R)
• M12: 6,483,721 km (0.08 R)
• M13: 8,253,315 km (0.055 R)
• M14: 9,318,601 km (0.095 R)
• M15: 11,046,008 km (0.081 R)
• M16: 12,088,406 km (0.119 R)
• M17: 14,183,075 km (0.101 R)
• M18: 14,979,833 km (0.067 R)
• M19: 16,306,018 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 10.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.71 AU - 5.19 AU

Year: 6158 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 177.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,102,661 km

• M1: 134,339 km (0.091 R)
• M2: 551,567 km (0.059 R)
• M3: 1,017,266 km (0.081 R)
• M4: 1,518,718 km (0.053 R)
• M5: 2,120,400 km (0.096 R)
• M6: 2,469,113 km (0.117 R)
• M7: 3,325,710 km (0.103 R)
• M8: 5,981,671 km (0.102 R)
• M9: 7,268,362 km (0.103 R)
• M10: 7,958,158 km (0.104 R)
• M11: 10,070,779 km (0.059 R)
• M12: 10,743,969 km (0.106 R)
• M13: 11,981,593 km (0.056 R)
• M14: 12,944,554 km (0.08 R)
• M15: 14,178,138 km (0.108 R)
• M16: 16,203,544 km (0.051 R)
• M17: 17,190,890 km (0.035 R)
• M18: 18,283,403 km (0.092 R)
• M19: 20,393,930 km (0.098 R)
• M20: 24,132,381 km (0.091 R)
• M21: 26,079,546 km (0.099 R)
• M22: 27,262,417 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 12.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.98 AU - 5.03 AU

Year: 7334 Days

Day: 8.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,102,661 km

• M1: 150,495 km (0.111 R)
• M2: 584,329 km (0.094 R)
• M3: 1,091,915 km (0.111 R)
• M4: 1,560,904 km (0.053 R)
• M5: 2,075,521 km (0.084 R)
• M6: 2,827,400 km (0.096 R)
• M7: 7,083,609 km (0.107 R)
• M8: 7,502,932 km (0.036 R)
• M9: 8,507,631 km (0.062 R)
• M10: 9,940,928 km (0.084 R)
• M11: 10,783,463 km (0.078 R)
• M12: 11,245,721 km (0.104 R)
• M13: 12,712,378 km (0.066 R)
• M14: 13,544,890 km (0.097 R)
• M15: 17,242,800 km (0.109 R)
• M16: 19,868,093 km (0.115 R)
• M17: 20,493,562 km (0.119 R)
• M18: 23,742,828 km (0.09 R)
• M19: 25,816,404 km (0.119 R)
• M20: 26,228,546 km (0.119 R)
• M21: 27,921,395 km (0.119 R)
• M22: 29,060,134 km (0.065 R)
• M23: 29,595,994 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816

Radius: 5.9

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.8 AU - 9.64 AU

Year: 16892 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,102,661 km

• M1: 74,649 km (0.104 R)
• M2: 266,733 km (0.104 R)
• M3: 514,617 km (0.079 R)
• M4: 778,956 km (0.071 R)
• M5: 1,132,157 km (0.116 R)
• M6: 1,398,142 km (0.088 R)
• M7: 1,705,266 km (0.08 R)
• M8: 1,903,035 km (0.11 R)
• M9: 2,302,311 km (0.072 R)
• M10: 3,055,537 km (0.074 R)
• M11: 3,632,236 km (0.104 R)
• M12: 3,961,950 km (0.06 R)
• M13: 4,927,305 km (0.074 R)
• M14: 6,081,752 km (0.077 R)
• M15: 7,359,018 km (0.079 R)
• M16: 10,022,459 km (0.059 R)
• M17: 14,784,907 km (0.095 R)
• M18: 15,780,780 km (0.087 R)
• M19: 16,576,491 km (0.098 R)
• M20: 16,902,315 km (0.104 R)
• M21: 22,711,500 km (0.116 R)
• M22: 23,519,927 km (0.056 R)
• M23: 24,452,221 km (0.094 R)
• M24: 25,087,114 km (0.03 R)
• M25: 27,623,546 km (0.06 R)
• M26: 28,544,321 km (0.086 R)
• M27: 31,678,247 km (0.06 R)
• M28: 34,503,103 km (0.09 R)
• M29: 36,797,785 km (0.089 R)
• M30: 45,707,834 km (0.12 R)
• M31: 52,384,387 km (0.116 R)
• M32: 53,262,078 km (0.072 R)
• M33: 57,240,484 km (0.064 R)
• M34: 58,734,966 km (0.079 R)
• M35: 60,447,264 km (0.112 R)
• M36: 68,043,843 km (0.086 R)
• M37: 69,720,387 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 3.7

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.15 AU - 10.09 AU

Year: 19574 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,102,661 km

• M1: 46,076 km (0.113 R)
• M2: 200,760 km (0.058 R)
• M3: 471,981 km (0.082 R)
• M4: 637,437 km (0.094 R)
• M5: 1,323,941 km (0.115 R)
• M6: 2,133,415 km (0.118 R)
• M7: 2,851,335 km (0.118 R)
• M8: 3,744,435 km (0.077 R)
• M9: 4,971,885 km (0.079 R)
• M10: 5,446,110 km (0.117 R)
• M11: 8,003,037 km (0.119 R)
• M12: 9,692,596 km (0.049 R)
• M13: 11,261,429 km (0.1 R)
• M14: 12,558,741 km (0.109 R)
• M15: 43,526,847 km (0.075 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 19,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit