🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 13.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,375,492 km

• M1: 165,455 km (0.115 R)
• M2: 619,934 km (0.101 R)
• M3: 1,198,279 km (0.096 R)
• M4: 1,679,834 km (0.062 R)
• M5: 2,100,504 km (0.09 R)
• M6: 2,539,125 km (0.058 R)
• M7: 2,959,794 km (0.094 R)
• M8: 3,639,866 km (0.096 R)
• M9: 4,054,401 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.3

Radius: 14.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.84 AU - 1.12 AU

Year: 658 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 104.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,375,492 km

• M1: 177,872 km (0.112 R)
• M2: 632,799 km (0.098 R)
• M3: 1,227,002 km (0.1 R)
• M4: 1,780,215 km (0.088 R)
• M5: 3,714,665 km (0.115 R)
• M6: 4,354,794 km (0.094 R)
• M7: 5,136,293 km (0.084 R)
• M8: 6,145,032 km (0.105 R)
• M9: 6,916,508 km (0.116 R)
• M10: 7,638,018 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.1

Radius: 13.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.17 AU - 1.25 AU

Year: 903 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,375,492 km

• M1: 166,652 km (0.077 R)
• M2: 586,124 km (0.099 R)
• M3: 1,121,386 km (0.107 R)
• M4: 1,623,137 km (0.079 R)
• M5: 2,404,038 km (0.071 R)
• M6: 3,494,157 km (0.037 R)
• M7: 5,508,942 km (0.062 R)
• M8: 6,721,432 km (0.115 R)
• M9: 7,680,953 km (0.104 R)
• M10: 8,155,627 km (0.099 R)
• M11: 8,999,658 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246

Radius: 11.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.15 AU - 2.71 AU

Year: 2569 Days

Day: 11.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,375,492 km

• M1: 148,102 km (0.089 R)
• M2: 1,000,361 km (0.049 R)
• M3: 1,439,580 km (0.102 R)
• M4: 1,860,848 km (0.101 R)
• M5: 2,269,101 km (0.045 R)
• M6: 3,505,527 km (0.087 R)
• M7: 3,906,000 km (0.034 R)
• M8: 4,720,710 km (0.117 R)
• M9: 5,210,943 km (0.107 R)
• M10: 5,986,907 km (0.113 R)
• M11: 6,415,205 km (0.058 R)
• M12: 6,992,204 km (0.109 R)
• M13: 7,413,771 km (0.096 R)
• M14: 8,049,712 km (0.097 R)
• M15: 12,388,648 km (0.096 R)
• M16: 12,890,101 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543

Radius: 9.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.89 AU - 4.61 AU

Year: 4925 Days

Day: 11.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,375,492 km

• M1: 125,662 km (0.05 R)
• M2: 486,043 km (0.082 R)
• M3: 863,180 km (0.099 R)
• M4: 1,202,168 km (0.073 R)
• M5: 1,560,455 km (0.062 R)
• M6: 2,004,163 km (0.113 R)
• M7: 2,818,274 km (0.096 R)
• M8: 3,262,131 km (0.037 R)
• M9: 3,882,065 km (0.096 R)
• M10: 4,677,626 km (0.091 R)
• M11: 5,140,931 km (0.086 R)
• M12: 9,895,899 km (0.066 R)
• M13: 11,282,372 km (0.054 R)
• M14: 12,022,134 km (0.095 R)
• M15: 12,794,059 km (0.082 R)
• M16: 18,510,941 km (0.115 R)
• M17: 21,710,541 km (0.114 R)
• M18: 23,887,489 km (0.105 R)
• M19: 25,339,187 km (0.071 R)
• M20: 26,929,861 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.4

Radius: 4.1

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.37 AU - 8.63 AU

Year: 12561 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,375,492 km

• M1: 51,013 km (0.118 R)
• M2: 214,823 km (0.039 R)
• M3: 396,434 km (0.078 R)
• M4: 541,993 km (0.111 R)
• M5: 787,483 km (0.101 R)
• M6: 1,211,294 km (0.056 R)
• M7: 1,410,708 km (0.064 R)
• M8: 1,701,227 km (0.038 R)
• M9: 1,831,078 km (0.039 R)
• M10: 2,583,256 km (0.045 R)
• M11: 2,955,605 km (0.101 R)
• M12: 3,340,520 km (0.106 R)
• M13: 4,235,415 km (0.091 R)
• M14: 5,371,162 km (0.098 R)
• M15: 5,748,149 km (0.06 R)
• M16: 5,943,075 km (0.075 R)
• M17: 11,228,367 km (0.075 R)
• M18: 11,380,209 km (0.076 R)
• M19: 11,948,232 km (0.034 R)
• M20: 12,265,978 km (0.075 R)
• M21: 21,607,767 km (0.078 R)
• M22: 22,477,230 km (0.095 R)
• M23: 24,033,646 km (0.103 R)
• M24: 26,815,119 km (0.085 R)
• M25: 27,268,101 km (0.103 R)
• M26: 27,911,073 km (0.119 R)
• M27: 35,772,142 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.7

Radius: 8

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.14 AU - 7.98 AU

Year: 14099 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,375,492 km

• M1: 99,632 km (0.056 R)
• M2: 355,145 km (0.052 R)
• M3: 728,990 km (0.089 R)
• M4: 1,095,206 km (0.099 R)
• M5: 1,694,345 km (0.08 R)
• M6: 2,561,265 km (0.117 R)
• M7: 2,956,652 km (0.092 R)
• M8: 3,528,266 km (0.111 R)
• M9: 3,899,418 km (0.093 R)
• M10: 5,575,662 km (0.114 R)
• M11: 6,447,219 km (0.06 R)
• M12: 6,828,844 km (0.106 R)
• M13: 7,498,294 km (0.078 R)
• M14: 7,920,609 km (0.095 R)
• M15: 10,160,538 km (0.056 R)
• M16: 11,333,834 km (0.119 R)
• M17: 13,327,226 km (0.099 R)
• M18: 13,600,541 km (0.092 R)
• M19: 15,393,621 km (0.11 R)
• M20: 17,582,836 km (0.099 R)
• M21: 19,095,121 km (0.053 R)
• M22: 21,710,690 km (0.087 R)
• M23: 24,250,712 km (0.092 R)
• M24: 25,697,324 km (0.081 R)
• M25: 30,617,747 km (0.028 R)
• M26: 42,419,075 km (0.108 R)
• M27: 45,126,048 km (0.052 R)
• M28: 46,209,137 km (0.063 R)
• M29: 49,073,487 km (0.085 R)
• M30: 55,858,648 km (0.11 R)
• M31: 60,963,227 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.1

Radius: 7.7

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.53 AU - 11.87 AU

Year: 20490 Days

Day: 21.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,375,492 km

• M1: 95,743 km (0.105 R)
• M2: 1,072,617 km (0.059 R)
• M3: 3,172,821 km (0.097 R)
• M4: 3,936,668 km (0.101 R)
• M5: 4,237,509 km (0.112 R)
• M6: 5,057,006 km (0.103 R)
• M7: 6,920,547 km (0.096 R)
• M8: 8,148,895 km (0.046 R)
• M9: 8,589,012 km (0.077 R)
• M10: 9,949,754 km (0.11 R)
• M11: 10,395,855 km (0.09 R)
• M12: 11,149,230 km (0.093 R)
• M13: 14,459,083 km (0.088 R)
• M14: 15,177,153 km (0.116 R)
• M15: 22,744,262 km (0.092 R)
• M16: 23,129,177 km (0.064 R)
• M17: 23,518,580 km (0.047 R)
• M18: 24,712,671 km (0.119 R)
• M19: 25,119,577 km (0.105 R)
• M20: 25,530,821 km (0.114 R)
• M21: 27,764,467 km (0.113 R)
• M22: 28,314,987 km (0.082 R)
• M23: 29,097,683 km (0.069 R)
• M24: 30,356,849 km (0.112 R)
• M25: 32,738,596 km (0.079 R)
• M26: 36,017,333 km (0.056 R)
• M27: 39,786,152 km (0.114 R)
• M28: 42,779,605 km (0.099 R)
• M29: 45,007,417 km (0.108 R)
• M30: 46,226,640 km (0.1 R)
• M31: 48,413,162 km (0.065 R)
• M32: 52,320,060 km (0.036 R)
• M33: 54,008,272 km (0.12 R)
• M34: 56,960,885 km (0.099 R)
• M35: 57,315,283 km (0.092 R)
• M36: 61,496,094 km (0.074 R)
• M37: 61,868,892 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit