🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 13.7

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.73 AU - 0.99 AU

Year: 523 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,032,258 km

• M1: 170,392 km (0.107 R)
• M2: 597,793 km (0.066 R)
• M3: 1,093,261 km (0.079 R)
• M4: 1,587,682 km (0.092 R)
• M5: 2,024,658 km (0.051 R)
• M6: 2,534,487 km (0.118 R)
• M7: 3,544,722 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 14.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.83 AU - 1.33 AU

Year: 736 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,032,258 km

• M1: 177,872 km (0.059 R)
• M2: 624,721 km (0.117 R)
• M3: 1,241,064 km (0.069 R)
• M4: 1,803,103 km (0.053 R)
• M5: 2,430,816 km (0.092 R)
• M6: 3,410,831 km (0.036 R)
• M7: 4,228,384 km (0.106 R)
• M8: 4,758,708 km (0.05 R)
• M9: 5,252,980 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 10.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.95 AU - 1.53 AU

Year: 906 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,032,258 km

• M1: 129,402 km (0.101 R)
• M2: 521,349 km (0.103 R)
• M3: 867,668 km (0.073 R)
• M4: 1,533,378 km (0.112 R)
• M5: 2,090,630 km (0.058 R)
• M6: 2,599,113 km (0.063 R)
• M7: 3,063,914 km (0.093 R)
• M8: 3,448,530 km (0.108 R)
• M9: 3,952,675 km (0.104 R)
• M10: 4,733,875 km (0.117 R)
• M11: 5,303,843 km (0.098 R)
• M12: 5,861,095 km (0.094 R)
• M13: 7,493,956 km (0.114 R)
• M14: 8,100,276 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 14

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.19 AU - 1.41 AU

Year: 972 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,032,258 km

• M1: 174,282 km (0.073 R)
• M2: 724,054 km (0.059 R)
• M3: 1,184,217 km (0.057 R)
• M4: 1,874,162 km (0.113 R)
• M5: 3,174,616 km (0.038 R)
• M6: 4,557,050 km (0.097 R)
• M7: 8,254,811 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 13.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.56 AU - 1.56 AU

Year: 1278 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,032,258 km

• M1: 172,935 km (0.114 R)
• M2: 771,775 km (0.092 R)
• M3: 1,225,955 km (0.095 R)
• M4: 1,697,936 km (0.11 R)
• M5: 2,525,810 km (0.071 R)
• M6: 3,766,575 km (0.081 R)
• M7: 4,319,040 km (0.119 R)
• M8: 5,061,046 km (0.114 R)
• M9: 6,921,295 km (0.102 R)
• M10: 7,993,014 km (0.118 R)
• M11: 8,710,186 km (0.041 R)
• M12: 9,681,974 km (0.071 R)
• M13: 10,955,202 km (0.117 R)
• M14: 11,736,551 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 11.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.63 AU - 5.83 AU

Year: 6748 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,032,258 km

• M1: 146,905 km (0.09 R)
• M2: 591,061 km (0.082 R)
• M3: 1,459,626 km (0.086 R)
• M4: 2,948,873 km (0.032 R)
• M5: 4,689,594 km (0.073 R)
• M6: 6,145,630 km (0.068 R)
• M7: 7,183,091 km (0.093 R)
• M8: 8,045,373 km (0.114 R)
• M9: 9,241,259 km (0.114 R)
• M10: 9,788,488 km (0.096 R)
• M11: 10,551,886 km (0.067 R)
• M12: 11,876,575 km (0.06 R)
• M13: 12,745,140 km (0.112 R)
• M14: 13,138,134 km (0.117 R)
• M15: 15,039,373 km (0.102 R)
• M16: 16,120,966 km (0.092 R)
• M17: 17,527,784 km (0.095 R)
• M18: 19,087,641 km (0.066 R)
• M19: 20,202,893 km (0.059 R)
• M20: 21,282,691 km (0.04 R)
• M21: 21,996,871 km (0.078 R)
• M22: 23,056,473 km (0.099 R)
• M23: 25,720,661 km (0.107 R)
• M24: 26,896,500 km (0.084 R)
• M25: 29,845,074 km (0.115 R)
• M26: 33,108,103 km (0.095 R)
• M27: 34,174,736 km (0.079 R)
• M28: 34,607,822 km (0.082 R)
• M29: 36,264,319 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 10.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.85 AU - 6.15 AU

Year: 7334 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,032,258 km

• M1: 139,126 km (0.093 R)
• M2: 549,922 km (0.086 R)
• M3: 3,448,829 km (0.079 R)
• M4: 3,896,875 km (0.072 R)
• M5: 5,577,757 km (0.091 R)
• M6: 6,919,051 km (0.094 R)
• M7: 7,360,514 km (0.059 R)
• M8: 11,763,479 km (0.09 R)
• M9: 14,800,765 km (0.112 R)
• M10: 15,485,324 km (0.112 R)
• M11: 19,286,756 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.2

Radius: 3.2

Gravity: 49.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.1 AU - 11.14 AU

Year: 19574 Days

Day: 22.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,032,258 km

• M1: 39,943 km (0.108 R)
• M2: 308,022 km (0.11 R)
• M3: 678,576 km (0.096 R)
• M4: 1,408,015 km (0.077 R)
• M5: 2,880,657 km (0.047 R)
• M6: 3,346,056 km (0.099 R)
• M7: 3,483,835 km (0.106 R)
• M8: 3,859,775 km (0.09 R)
• M9: 4,294,207 km (0.118 R)
• M10: 4,725,946 km (0.096 R)
• M11: 5,259,263 km (0.048 R)
• M12: 5,871,268 km (0.077 R)
• M13: 6,486,713 km (0.056 R)
• M14: 9,006,091 km (0.099 R)
• M15: 12,499,500 km (0.087 R)
• M16: 12,764,588 km (0.119 R)
• M17: 13,721,865 km (0.058 R)
• M18: 13,933,097 km (0.111 R)
• M19: 16,799,392 km (0.117 R)
• M20: 20,489,373 km (0.075 R)
• M21: 25,312,259 km (0.078 R)
• M22: 27,037,272 km (0.078 R)
• M23: 27,591,981 km (0.112 R)
• M24: 35,508,700 km (0.073 R)
• M25: 45,745,832 km (0.105 R)
• M26: 52,126,181 km (0.098 R)
• M27: 52,468,461 km (0.079 R)
• M28: 55,261,005 km (0.068 R)
• M29: 55,795,368 km (0.034 R)
• M30: 65,414,811 km (0.103 R)
• M31: 66,815,795 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 19,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit