🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 9.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.5 AU - 0.68 AU

Year: 319 Days

Day: 13 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 73,062,780 km

• M1: 118,182 km (0.112 R)
• M2: 527,931 km (0.026 R)
• M3: 842,984 km (0.04 R)
• M4: 1,155,644 km (0.104 R)
• M5: 1,638,097 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 9.3

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.81 AU - 1.05 AU

Year: 630 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,062,780 km

• M1: 116,238 km (0.109 R)
• M2: 451,786 km (0.103 R)
• M3: 751,879 km (0.119 R)
• M4: 1,070,223 km (0.081 R)
• M5: 1,510,340 km (0.109 R)
• M6: 2,183,531 km (0.067 R)
• M7: 2,534,338 km (0.112 R)
• M8: 2,827,849 km (0.113 R)
• M9: 3,552,650 km (0.096 R)
• M10: 3,863,515 km (0.106 R)
• M11: 4,332,803 km (0.045 R)
• M12: 4,721,907 km (0.08 R)
• M13: 5,011,379 km (0.114 R)
• M14: 5,645,375 km (0.072 R)
• M15: 6,230,303 km (0.087 R)
• M16: 6,833,780 km (0.118 R)
• M17: 7,384,749 km (0.08 R)
• M18: 8,133,038 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 11.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.85 AU - 1.41 AU

Year: 844 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,062,780 km

• M1: 140,472 km (0.069 R)
• M2: 526,435 km (0.092 R)
• M3: 1,037,162 km (0.11 R)
• M4: 1,393,355 km (0.076 R)
• M5: 2,091,528 km (0.102 R)
• M6: 2,674,361 km (0.114 R)
• M7: 3,621,615 km (0.117 R)
• M8: 4,314,403 km (0.089 R)
• M9: 4,838,444 km (0.107 R)
• M10: 5,484,557 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 13.8

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.28 AU - 1.42 AU

Year: 1103 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,062,780 km

• M1: 171,589 km (0.111 R)
• M2: 615,296 km (0.119 R)
• M3: 1,127,070 km (0.025 R)
• M4: 1,582,895 km (0.025 R)
• M5: 2,054,876 km (0.114 R)
• M6: 2,610,184 km (0.084 R)
• M7: 3,347,701 km (0.12 R)
• M8: 4,028,222 km (0.056 R)
• M9: 4,979,964 km (0.101 R)
• M10: 5,548,884 km (0.073 R)
• M11: 6,203,225 km (0.081 R)
• M12: 9,238,716 km (0.082 R)
• M13: 9,778,614 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 9.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.44 AU - 3.74 AU

Year: 3818 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,062,780 km

• M1: 123,119 km (0.1 R)
• M2: 484,099 km (0.112 R)
• M3: 1,013,675 km (0.067 R)
• M4: 1,388,717 km (0.036 R)
• M5: 1,730,399 km (0.117 R)
• M6: 2,167,673 km (0.072 R)
• M7: 2,897,262 km (0.112 R)
• M8: 3,390,785 km (0.101 R)
• M9: 4,019,844 km (0.093 R)
• M10: 5,166,811 km (0.084 R)
• M11: 6,379,900 km (0.103 R)
• M12: 7,964,890 km (0.067 R)
• M13: 9,723,413 km (0.079 R)
• M14: 10,831,484 km (0.066 R)
• M15: 11,395,767 km (0.114 R)
• M16: 11,979,349 km (0.076 R)
• M17: 12,803,184 km (0.057 R)
• M18: 13,116,143 km (0.049 R)
• M19: 18,163,425 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 8.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.08 AU - 5.46 AU

Year: 8504 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,062,780 km

• M1: 108,458 km (0.032 R)
• M2: 577,897 km (0.118 R)
• M3: 1,186,012 km (0.107 R)
• M4: 1,491,341 km (0.115 R)
• M5: 2,868,988 km (0.105 R)
• M6: 3,687,588 km (0.101 R)
• M7: 4,055,598 km (0.1 R)
• M8: 4,627,511 km (0.087 R)
• M9: 5,749,046 km (0.06 R)
• M10: 7,076,727 km (0.117 R)
• M11: 7,393,576 km (0.075 R)
• M12: 7,719,849 km (0.115 R)
• M13: 8,017,997 km (0.075 R)
• M14: 9,754,380 km (0.095 R)
• M15: 11,058,424 km (0.109 R)
• M16: 11,825,712 km (0.108 R)
• M17: 16,816,895 km (0.037 R)
• M18: 17,960,272 km (0.079 R)
• M19: 19,290,645 km (0.077 R)
• M20: 19,564,410 km (0.082 R)
• M21: 21,334,601 km (0.066 R)
• M22: 25,190,636 km (0.097 R)
• M23: 26,180,824 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.6

Radius: 6.9

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.83 AU - 6.81 AU

Year: 9869 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,062,780 km

• M1: 85,869 km (0.061 R)
• M2: 311,912 km (0.042 R)
• M3: 686,205 km (0.12 R)
• M4: 1,103,434 km (0.1 R)
• M5: 1,769,743 km (0.096 R)
• M6: 2,164,532 km (0.087 R)
• M7: 2,951,716 km (0.08 R)
• M8: 3,532,754 km (0.072 R)
• M9: 3,996,208 km (0.046 R)
• M10: 6,827,647 km (0.094 R)
• M11: 7,505,325 km (0.079 R)
• M12: 9,709,500 km (0.11 R)
• M13: 10,985,420 km (0.089 R)
• M14: 13,374,349 km (0.112 R)
• M15: 13,990,542 km (0.06 R)
• M16: 17,721,663 km (0.048 R)
• M17: 21,897,388 km (0.105 R)
• M18: 25,265,734 km (0.053 R)
• M19: 28,157,311 km (0.078 R)
• M20: 28,862,516 km (0.034 R)
• M21: 30,098,493 km (0.118 R)
• M22: 32,018,133 km (0.076 R)
• M23: 35,864,294 km (0.088 R)
• M24: 37,533,657 km (0.112 R)
• M25: 38,387,562 km (0.09 R)
• M26: 39,755,335 km (0.08 R)
• M27: 43,116,949 km (0.099 R)
• M28: 44,730,362 km (0.094 R)
• M29: 45,552,103 km (0.119 R)
• M30: 45,966,639 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652

Radius: 4.3

Gravity: 35.26 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.88 AU - 7.24 AU

Year: 11810 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,062,780 km

• M1: 53,855 km (0.118 R)
• M2: 227,538 km (0.104 R)
• M3: 799,301 km (0.112 R)
• M4: 1,077,853 km (0.119 R)
• M5: 1,297,612 km (0.082 R)
• M6: 1,532,032 km (0.033 R)
• M7: 1,714,092 km (0.112 R)
• M8: 3,080,220 km (0.053 R)
• M9: 3,869,648 km (0.081 R)
• M10: 5,142,726 km (0.114 R)
• M11: 7,034,690 km (0.063 R)
• M12: 7,977,755 km (0.086 R)
• M13: 9,395,195 km (0.091 R)
• M14: 13,785,145 km (0.092 R)
• M15: 16,747,930 km (0.113 R)
• M16: 18,027,740 km (0.076 R)
• M17: 22,793,180 km (0.119 R)
• M18: 24,173,819 km (0.117 R)
• M19: 26,597,155 km (0.039 R)
• M20: 35,189,758 km (0.056 R)
• M21: 36,905,346 km (0.047 R)
• M22: 37,280,089 km (0.047 R)
• M23: 39,712,700 km (0.118 R)
• M24: 43,487,353 km (0.118 R)
• M25: 44,467,069 km (0.067 R)
• M26: 48,533,140 km (0.074 R)
• M27: 49,435,514 km (0.082 R)
• M28: 50,964,255 km (0.081 R)
• M29: 52,681,937 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.2

Radius: 5.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.15 AU - 8.59 AU

Year: 15519 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,062,780 km

• M1: 66,421 km (0.083 R)
• M2: 718,967 km (0.107 R)
• M3: 1,051,673 km (0.085 R)
• M4: 1,946,119 km (0.106 R)
• M5: 2,610,184 km (0.048 R)
• M6: 7,163,045 km (0.077 R)
• M7: 10,199,732 km (0.053 R)
• M8: 11,592,788 km (0.083 R)
• M9: 12,204,793 km (0.089 R)
• M10: 20,201,696 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.7

Radius: 6.1

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.37 AU - 9.71 AU

Year: 16025 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,062,780 km

• M1: 75,846 km (0.1 R)
• M2: 289,322 km (0.037 R)
• M3: 568,622 km (0.059 R)
• M4: 1,110,315 km (0.087 R)
• M5: 4,306,175 km (0.039 R)
• M6: 7,319,973 km (0.11 R)
• M7: 7,997,203 km (0.104 R)
• M8: 8,610,255 km (0.095 R)
• M9: 8,874,744 km (0.09 R)
• M10: 10,819,367 km (0.07 R)
• M11: 11,189,771 km (0.116 R)
• M12: 16,805,974 km (0.069 R)
• M13: 17,470,638 km (0.046 R)
• M14: 17,809,477 km (0.119 R)
• M15: 20,774,507 km (0.045 R)
• M16: 34,446,256 km (0.102 R)
• M17: 38,150,299 km (0.078 R)
• M18: 46,987,195 km (0.081 R)
• M19: 48,303,956 km (0.081 R)
• M20: 51,010,780 km (0.056 R)
• M21: 52,051,382 km (0.091 R)
• M22: 54,895,537 km (0.066 R)
• M23: 55,805,092 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 15,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit