🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.8

Radius: 12.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,674,240 km

• M1: 157,975 km (0.109 R)
• M2: 565,181 km (0.066 R)
• M3: 1,046,587 km (0.102 R)
• M4: 1,470,697 km (0.088 R)
• M5: 2,372,173 km (0.113 R)
• M6: 2,767,710 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 14

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 67.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,674,240 km

• M1: 175,179 km (0.093 R)
• M2: 611,855 km (0.084 R)
• M3: 1,197,531 km (0.104 R)
• M4: 1,854,864 km (0.06 R)
• M5: 2,298,870 km (0.041 R)
• M6: 2,795,087 km (0.062 R)
• M7: 3,374,479 km (0.076 R)
• M8: 3,945,045 km (0.05 R)
• M9: 4,892,898 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 8.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.74 AU - 0.92 AU

Year: 522 Days

Day: 10.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,674,240 km

• M1: 109,655 km (0.081 R)
• M2: 403,765 km (0.059 R)
• M3: 774,468 km (0.11 R)
• M4: 1,057,059 km (0.077 R)
• M5: 1,833,472 km (0.108 R)
• M6: 2,194,002 km (0.065 R)
• M7: 3,150,082 km (0.119 R)
• M8: 3,708,980 km (0.119 R)
• M9: 4,191,284 km (0.12 R)
• M10: 5,200,172 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 8.9

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.42 AU - 1.52 AU

Year: 1230 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,674,240 km

• M1: 114,592 km (0.091 R)
• M2: 425,008 km (0.115 R)
• M3: 770,429 km (0.114 R)
• M4: 1,171,501 km (0.103 R)
• M5: 1,795,324 km (0.063 R)
• M6: 2,524,763 km (0.098 R)
• M7: 2,985,226 km (0.098 R)
• M8: 3,579,279 km (0.049 R)
• M9: 4,057,693 km (0.082 R)
• M10: 4,691,240 km (0.111 R)
• M11: 5,410,057 km (0.101 R)
• M12: 6,647,531 km (0.118 R)
• M13: 6,941,042 km (0.099 R)
• M14: 7,632,932 km (0.09 R)
• M15: 8,712,580 km (0.063 R)
• M16: 9,005,193 km (0.076 R)
• M17: 9,827,982 km (0.071 R)
• M18: 11,138,010 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 11.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.87 AU - 5.53 AU

Year: 8185 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,674,240 km

• M1: 165,006 km (0.082 R)
• M2: 607,068 km (0.091 R)
• M3: 1,078,002 km (0.085 R)
• M4: 1,941,032 km (0.067 R)
• M5: 2,352,427 km (0.06 R)
• M6: 3,423,697 km (0.071 R)
• M7: 4,622,425 km (0.106 R)
• M8: 5,132,254 km (0.086 R)
• M9: 5,557,262 km (0.081 R)
• M10: 8,492,372 km (0.109 R)
• M11: 10,366,235 km (0.096 R)
• M12: 11,009,356 km (0.095 R)
• M13: 11,439,600 km (0.067 R)
• M14: 12,292,307 km (0.09 R)
• M15: 16,031,805 km (0.088 R)
• M16: 17,997,970 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.6

Radius: 8

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.73 AU - 7.75 AU

Year: 13447 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,674,240 km

• M1: 99,632 km (0.114 R)
• M2: 637,736 km (0.061 R)
• M3: 3,763,284 km (0.096 R)
• M4: 4,017,451 km (0.112 R)
• M5: 6,210,406 km (0.069 R)
• M6: 8,317,941 km (0.112 R)
• M7: 11,913,825 km (0.111 R)
• M8: 16,655,479 km (0.106 R)
• M9: 17,656,289 km (0.084 R)
• M10: 20,032,501 km (0.113 R)
• M11: 21,341,483 km (0.099 R)
• M12: 21,880,783 km (0.086 R)
• M13: 29,853,601 km (0.09 R)
• M14: 30,641,533 km (0.053 R)
• M15: 33,208,184 km (0.103 R)
• M16: 36,549,602 km (0.104 R)
• M17: 44,036,676 km (0.11 R)
• M18: 44,764,171 km (0.036 R)
• M19: 57,691,671 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.6

Radius: 3.3

Gravity: 37.7 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.65 AU - 8.91 AU

Year: 13558 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,674,240 km

• M1: 42,187 km (0.104 R)
• M2: 147,204 km (0.075 R)
• M3: 375,042 km (0.12 R)
• M4: 589,565 km (0.099 R)
• M5: 707,897 km (0.103 R)
• M6: 1,951,205 km (0.051 R)
• M7: 2,798,527 km (0.097 R)
• M8: 3,785,125 km (0.093 R)
• M9: 4,056,945 km (0.096 R)
• M10: 5,684,569 km (0.07 R)
• M11: 6,150,567 km (0.089 R)
• M12: 8,271,266 km (0.092 R)
• M13: 9,154,043 km (0.119 R)
• M14: 9,543,746 km (0.067 R)
• M15: 10,200,630 km (0.101 R)
• M16: 11,547,609 km (0.076 R)
• M17: 12,351,548 km (0.096 R)
• M18: 16,010,563 km (0.084 R)
• M19: 17,820,996 km (0.039 R)
• M20: 18,198,731 km (0.089 R)
• M21: 22,014,374 km (0.108 R)
• M22: 24,523,280 km (0.114 R)
• M23: 28,428,383 km (0.104 R)
• M24: 28,531,007 km (0.12 R)
• M25: 29,360,676 km (0.074 R)
• M26: 30,743,110 km (0.108 R)
• M27: 31,615,116 km (0.119 R)
• M28: 31,725,220 km (0.102 R)
• M29: 33,066,964 km (0.106 R)
• M30: 40,997,147 km (0.085 R)
• M31: 48,185,025 km (0.106 R)
• M32: 48,477,190 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 4.9

Gravity: 30.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.76 AU - 9.9 AU

Year: 16595 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,674,240 km

• M1: 61,186 km (0.06 R)
• M2: 237,412 km (0.105 R)
• M3: 539,001 km (0.076 R)
• M4: 811,568 km (0.104 R)
• M5: 1,033,422 km (0.11 R)
• M6: 1,253,032 km (0.109 R)
• M7: 1,551,031 km (0.086 R)
• M8: 2,104,992 km (0.101 R)
• M9: 2,309,193 km (0.106 R)
• M10: 2,710,414 km (0.077 R)
• M11: 3,028,011 km (0.106 R)
• M12: 3,679,210 km (0.097 R)
• M13: 4,099,730 km (0.115 R)
• M14: 5,478,274 km (0.084 R)
• M15: 6,148,024 km (0.117 R)
• M16: 8,232,520 km (0.096 R)
• M17: 8,586,170 km (0.063 R)
• M18: 8,897,483 km (0.105 R)
• M19: 12,834,600 km (0.049 R)
• M20: 15,104,897 km (0.075 R)
• M21: 15,482,183 km (0.111 R)
• M22: 15,711,516 km (0.116 R)
• M23: 20,513,010 km (0.085 R)
• M24: 25,457,967 km (0.1 R)
• M25: 25,884,770 km (0.078 R)
• M26: 27,527,953 km (0.052 R)
• M27: 30,180,473 km (0.069 R)
• M28: 33,889,902 km (0.115 R)
• M29: 35,190,954 km (0.056 R)
• M30: 37,341,125 km (0.063 R)
• M31: 41,312,050 km (0.05 R)
• M32: 46,026,478 km (0.047 R)
• M33: 46,659,725 km (0.091 R)
• M34: 49,416,066 km (0.108 R)
• M35: 49,913,479 km (0.083 R)
• M36: 54,541,439 km (0.089 R)
• M37: 62,876,284 km (0.116 R)
• M38: 63,070,612 km (0.044 R)
• M39: 64,244,656 km (0.049 R)
• M40: 68,468,552 km (0.12 R)
• M41: 68,674,249 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 13,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit