🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.9

Radius: 11.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.54 AU - 0.56 AU

Year: 277 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,448,189 km

• M1: 140,622 km (0.04 R)
• M2: 576,101 km (0.042 R)
• M3: 1,134,849 km (0.089 R)
• M4: 1,572,573 km (0.11 R)
• M5: 2,270,148 km (0.109 R)
• M6: 2,807,354 km (0.111 R)
• M7: 3,269,761 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 13.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,448,189 km

• M1: 165,455 km (0.027 R)
• M2: 582,534 km (0.115 R)
• M3: 1,218,624 km (0.093 R)
• M4: 1,693,597 km (0.045 R)
• M5: 2,264,164 km (0.1 R)
• M6: 2,705,777 km (0.107 R)
• M7: 3,196,308 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.08 AU - 1.08 AU

Year: 761 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,448,189 km

• M1: 99,483 km (0.04 R)
• M2: 390,450 km (0.072 R)
• M3: 688,449 km (0.081 R)
• M4: 1,113,906 km (0.071 R)
• M5: 1,426,565 km (0.116 R)
• M6: 1,729,052 km (0.053 R)
• M7: 2,100,055 km (0.086 R)
• M8: 2,632,923 km (0.057 R)
• M9: 3,183,293 km (0.101 R)
• M10: 3,860,523 km (0.066 R)
• M11: 4,512,171 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.8

Radius: 13.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.01 AU - 2.05 AU

Year: 1962 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,448,189 km

• M1: 164,258 km (0.117 R)
• M2: 886,517 km (0.102 R)
• M3: 1,490,294 km (0.053 R)
• M4: 2,594,925 km (0.081 R)
• M5: 3,191,371 km (0.082 R)
• M6: 3,729,475 km (0.119 R)
• M7: 4,900,826 km (0.058 R)
• M8: 5,572,072 km (0.038 R)
• M9: 6,929,373 km (0.077 R)
• M10: 8,432,234 km (0.091 R)
• M11: 9,961,872 km (0.093 R)
• M12: 11,234,950 km (0.085 R)
• M13: 11,910,982 km (0.098 R)
• M14: 13,564,637 km (0.103 R)
• M15: 14,239,773 km (0.109 R)
• M16: 15,951,920 km (0.087 R)
• M17: 17,532,870 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.3

Radius: 13.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.64 AU - 2.48 AU

Year: 2005 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,448,189 km

• M1: 171,589 km (0.081 R)
• M2: 661,522 km (0.117 R)
• M3: 1,078,152 km (0.096 R)
• M4: 1,774,231 km (0.092 R)
• M5: 2,192,357 km (0.117 R)
• M6: 6,276,528 km (0.106 R)
• M7: 9,213,733 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.8

Radius: 10.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.17 AU - 2.87 AU

Year: 2713 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,448,189 km

• M1: 141,819 km (0.097 R)
• M2: 809,773 km (0.092 R)
• M3: 1,150,408 km (0.062 R)
• M4: 1,673,103 km (0.04 R)
• M5: 2,139,399 km (0.076 R)
• M6: 3,023,074 km (0.111 R)
• M7: 4,812,414 km (0.053 R)
• M8: 6,809,246 km (0.089 R)
• M9: 8,061,979 km (0.095 R)
• M10: 9,525,046 km (0.101 R)
• M11: 9,908,914 km (0.106 R)
• M12: 10,741,875 km (0.088 R)
• M13: 11,405,641 km (0.099 R)
• M14: 12,892,195 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.2

Radius: 10

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.45 AU - 5.41 AU

Year: 6324 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,448,189 km

• M1: 130,749 km (0.102 R)
• M2: 473,328 km (0.093 R)
• M3: 879,037 km (0.064 R)
• M4: 1,461,422 km (0.11 R)
• M5: 2,425,131 km (0.115 R)
• M6: 2,792,244 km (0.109 R)
• M7: 3,964,643 km (0.111 R)
• M8: 4,624,369 km (0.053 R)
• M9: 6,981,284 km (0.118 R)
• M10: 14,328,634 km (0.085 R)
• M11: 17,229,785 km (0.117 R)
• M12: 18,721,725 km (0.101 R)
• M13: 19,829,497 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.4

Radius: 3.5

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.26 AU - 11.56 AU

Year: 21159 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,448,189 km

• M1: 45,627 km (0.105 R)
• M2: 320,588 km (0.077 R)
• M3: 443,558 km (0.12 R)
• M4: 638,185 km (0.06 R)
• M5: 827,276 km (0.091 R)
• M6: 1,173,446 km (0.062 R)
• M7: 2,144,186 km (0.076 R)
• M8: 2,400,747 km (0.117 R)
• M9: 2,812,141 km (0.113 R)
• M10: 3,168,632 km (0.084 R)
• M11: 3,772,858 km (0.092 R)
• M12: 5,558,458 km (0.064 R)
• M13: 5,667,515 km (0.087 R)
• M14: 8,115,086 km (0.06 R)
• M15: 8,493,419 km (0.112 R)
• M16: 8,883,271 km (0.114 R)
• M17: 11,418,506 km (0.075 R)
• M18: 12,945,601 km (0.068 R)
• M19: 15,881,160 km (0.09 R)
• M20: 19,148,527 km (0.039 R)
• M21: 24,261,184 km (0.116 R)
• M22: 25,342,328 km (0.118 R)
• M23: 27,076,018 km (0.098 R)
• M24: 28,238,992 km (0.078 R)
• M25: 29,324,623 km (0.065 R)
• M26: 32,866,802 km (0.035 R)
• M27: 35,421,784 km (0.111 R)
• M28: 37,844,671 km (0.101 R)
• M29: 41,335,986 km (0.081 R)
• M30: 42,451,986 km (0.114 R)
• M31: 46,665,709 km (0.07 R)
• M32: 49,260,784 km (0.082 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 18,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit