🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.2

Radius: 11.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.82 AU

Year: 466 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,789,228 km

• M1: 139,724 km (0.074 R)
• M2: 495,767 km (0.085 R)
• M3: 948,600 km (0.069 R)
• M4: 1,968,110 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 11.9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.84 AU - 1.17 AU

Year: 703 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,789,228 km

• M1: 153,936 km (0.113 R)
• M2: 601,832 km (0.046 R)
• M3: 1,091,915 km (0.1 R)
• M4: 1,523,505 km (0.103 R)
• M5: 1,975,141 km (0.036 R)
• M6: 2,572,036 km (0.104 R)
• M7: 2,950,968 km (0.114 R)
• M8: 3,326,757 km (0.104 R)
• M9: 3,778,992 km (0.096 R)
• M10: 4,451,285 km (0.062 R)
• M11: 5,038,157 km (0.069 R)
• M12: 5,425,915 km (0.05 R)
• M13: 6,282,961 km (0.079 R)
• M14: 6,799,373 km (0.081 R)
• M15: 7,228,120 km (0.087 R)
• M16: 7,795,545 km (0.098 R)
• M17: 8,265,582 km (0.1 R)
• M18: 9,127,265 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.6

Radius: 12

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.04 AU - 1.3 AU

Year: 890 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,789,228 km

• M1: 149,299 km (0.092 R)
• M2: 538,552 km (0.038 R)
• M3: 1,259,913 km (0.077 R)
• M4: 1,656,198 km (0.081 R)
• M5: 2,167,075 km (0.055 R)
• M6: 2,854,477 km (0.042 R)
• M7: 3,553,099 km (0.118 R)
• M8: 3,997,106 km (0.076 R)
• M9: 5,070,171 km (0.115 R)
• M10: 5,461,519 km (0.084 R)
• M11: 5,852,867 km (0.099 R)
• M12: 6,475,344 km (0.089 R)
• M13: 7,187,430 km (0.06 R)
• M14: 9,306,783 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 13.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.4 AU - 1.86 AU

Year: 1463 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,789,228 km

• M1: 173,982 km (0.1 R)
• M2: 758,312 km (0.062 R)
• M3: 1,383,182 km (0.104 R)
• M4: 2,014,186 km (0.1 R)
• M5: 2,585,051 km (0.099 R)
• M6: 3,847,508 km (0.083 R)
• M7: 5,111,161 km (0.111 R)
• M8: 6,497,933 km (0.045 R)
• M9: 7,938,411 km (0.107 R)
• M10: 8,417,723 km (0.097 R)
• M11: 9,115,597 km (0.047 R)
• M12: 10,627,283 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.4

Radius: 12.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.09 AU - 2.13 AU

Year: 2154 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,789,228 km

• M1: 156,779 km (0.085 R)
• M2: 612,154 km (0.065 R)
• M3: 1,090,419 km (0.087 R)
• M4: 1,594,564 km (0.086 R)
• M5: 2,034,830 km (0.102 R)
• M6: 2,543,014 km (0.116 R)
• M7: 3,199,300 km (0.115 R)
• M8: 4,156,726 km (0.117 R)
• M9: 4,618,984 km (0.117 R)
• M10: 5,528,539 km (0.092 R)
• M11: 6,292,984 km (0.112 R)
• M12: 7,410,630 km (0.088 R)
• M13: 9,931,503 km (0.102 R)
• M14: 10,614,268 km (0.063 R)
• M15: 13,750,139 km (0.061 R)
• M16: 14,735,839 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.86 AU - 3.4 AU

Year: 3892 Days

Day: 6.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,789,228 km

• M1: 179,069 km (0.105 R)
• M2: 937,979 km (0.055 R)
• M3: 1,394,551 km (0.105 R)
• M4: 2,123,243 km (0.098 R)
• M5: 3,459,152 km (0.084 R)
• M6: 4,596,993 km (0.032 R)
• M7: 8,947,000 km (0.094 R)
• M8: 9,832,320 km (0.085 R)
• M9: 11,658,760 km (0.12 R)
• M10: 16,121,863 km (0.087 R)
• M11: 16,718,460 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 8.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.68 AU - 3.84 AU

Year: 4137 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,789,228 km

• M1: 102,026 km (0.097 R)
• M2: 368,609 km (0.094 R)
• M3: 775,216 km (0.094 R)
• M4: 1,797,867 km (0.109 R)
• M5: 3,400,060 km (0.071 R)
• M6: 4,291,365 km (0.12 R)
• M7: 4,612,850 km (0.092 R)
• M8: 5,304,591 km (0.092 R)
• M9: 5,757,124 km (0.083 R)
• M10: 6,264,112 km (0.099 R)
• M11: 6,800,420 km (0.111 R)
• M12: 7,302,620 km (0.113 R)
• M13: 10,273,335 km (0.117 R)
• M14: 14,469,256 km (0.085 R)
• M15: 14,777,128 km (0.111 R)
• M16: 16,272,060 km (0.106 R)
• M17: 16,942,557 km (0.092 R)
• M18: 21,892,302 km (0.066 R)
• M19: 22,571,776 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.1

Radius: 13.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.15 AU - 4.91 AU

Year: 5687 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,789,228 km

• M1: 168,597 km (0.066 R)
• M2: 591,809 km (0.097 R)
• M3: 1,186,760 km (0.088 R)
• M4: 1,771,239 km (0.07 R)
• M5: 3,617,725 km (0.081 R)
• M6: 4,145,955 km (0.095 R)
• M7: 4,972,334 km (0.115 R)
• M8: 6,770,201 km (0.101 R)
• M9: 10,281,862 km (0.106 R)
• M10: 12,723,748 km (0.107 R)
• M11: 14,422,581 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.9

Radius: 5.2

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.84 AU - 12.22 AU

Year: 22329 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,789,228 km

• M1: 64,626 km (0.067 R)
• M2: 270,772 km (0.092 R)
• M3: 566,378 km (0.052 R)
• M4: 735,423 km (0.058 R)
• M5: 1,935,946 km (0.026 R)
• M6: 2,136,258 km (0.113 R)
• M7: 2,350,332 km (0.083 R)
• M8: 2,975,053 km (0.098 R)
• M9: 3,826,265 km (0.071 R)
• M10: 4,078,337 km (0.092 R)
• M11: 4,375,139 km (0.102 R)
• M12: 4,615,842 km (0.114 R)
• M13: 6,080,106 km (0.109 R)
• M14: 6,735,046 km (0.108 R)
• M15: 6,963,332 km (0.079 R)
• M16: 10,977,641 km (0.097 R)
• M17: 16,803,431 km (0.102 R)
• M18: 17,565,483 km (0.086 R)
• M19: 19,524,766 km (0.104 R)
• M20: 27,409,322 km (0.06 R)
• M21: 28,463,987 km (0.115 R)
• M22: 29,061,481 km (0.093 R)
• M23: 32,174,612 km (0.118 R)
• M24: 32,692,520 km (0.052 R)
• M25: 36,055,929 km (0.111 R)
• M26: 39,053,721 km (0.107 R)
• M27: 40,387,835 km (0.086 R)
• M28: 42,368,062 km (0.036 R)
• M29: 47,516,472 km (0.05 R)
• M30: 54,335,592 km (0.117 R)
• M31: 63,994,528 km (0.091 R)
• M32: 66,680,857 km (0.119 R)
• M33: 67,522,345 km (0.11 R)
• M34: 69,656,808 km (0.116 R)
• M35: 75,416,475 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit