🌌 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: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 8.7

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.7 AU - 1 AU

Year: 523 Days

Day: 13.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,674,142 km

• M1: 108,309 km (0.097 R)
• M2: 400,174 km (0.077 R)
• M3: 682,465 km (0.072 R)
• M4: 987,196 km (0.098 R)
• M5: 1,853,218 km (0.093 R)
• M6: 2,474,199 km (0.108 R)
• M7: 3,040,278 km (0.104 R)
• M8: 3,756,103 km (0.077 R)
• M9: 4,069,361 km (0.11 R)
• M10: 4,519,352 km (0.12 R)
• M11: 5,066,880 km (0.086 R)
• M12: 5,467,353 km (0.105 R)
• M13: 6,465,321 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 9.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.65 AU - 2.13 AU

Year: 1733 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,674,142 km

• M1: 120,127 km (0.083 R)
• M2: 431,739 km (0.058 R)
• M3: 1,085,333 km (0.085 R)
• M4: 1,788,443 km (0.11 R)
• M5: 2,705,777 km (0.102 R)
• M6: 3,860,672 km (0.093 R)
• M7: 4,440,514 km (0.104 R)
• M8: 5,018,859 km (0.112 R)
• M9: 5,562,797 km (0.088 R)
• M10: 6,440,338 km (0.078 R)
• M11: 6,936,704 km (0.12 R)
• M12: 7,382,206 km (0.07 R)
• M13: 9,006,839 km (0.033 R)
• M14: 10,857,215 km (0.108 R)
• M15: 11,458,599 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 9.9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.5 AU - 2.44 AU

Year: 1844 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,674,142 km

• M1: 124,017 km (0.068 R)
• M2: 496,665 km (0.065 R)
• M3: 910,602 km (0.106 R)
• M4: 1,228,199 km (0.064 R)
• M5: 1,621,491 km (0.045 R)
• M6: 2,795,386 km (0.062 R)
• M7: 3,763,134 km (0.119 R)
• M8: 4,563,633 km (0.061 R)
• M9: 4,897,086 km (0.103 R)
• M10: 6,144,882 km (0.1 R)
• M11: 6,578,566 km (0.079 R)
• M12: 7,622,012 km (0.087 R)
• M13: 8,274,557 km (0.118 R)
• M14: 8,996,218 km (0.113 R)
• M15: 10,104,139 km (0.102 R)
• M16: 10,421,586 km (0.096 R)
• M17: 11,719,796 km (0.118 R)
• M18: 12,670,341 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 12.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.26 AU - 2.72 AU

Year: 2620 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,674,142 km

• M1: 156,779 km (0.09 R)
• M2: 821,891 km (0.094 R)
• M3: 1,383,332 km (0.053 R)
• M4: 1,862,643 km (0.078 R)
• M5: 2,432,461 km (0.106 R)
• M6: 3,215,606 km (0.071 R)
• M7: 5,229,493 km (0.073 R)
• M8: 5,847,781 km (0.117 R)
• M9: 7,518,789 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 11.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.18 AU - 5.7 AU

Year: 7322 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,674,142 km

• M1: 146,307 km (0.106 R)
• M2: 951,742 km (0.066 R)
• M3: 2,492,151 km (0.05 R)
• M4: 3,865,759 km (0.087 R)
• M5: 4,321,733 km (0.076 R)
• M6: 6,284,008 km (0.064 R)
• M7: 8,065,420 km (0.095 R)
• M8: 10,021,262 km (0.11 R)
• M9: 11,956,460 km (0.058 R)
• M10: 13,012,322 km (0.097 R)
• M11: 13,735,628 km (0.029 R)
• M12: 14,665,977 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.5

Radius: 7.5

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.79 AU - 10.55 AU

Year: 18518 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,674,142 km

• M1: 93,349 km (0.074 R)
• M2: 614,548 km (0.107 R)
• M3: 968,347 km (0.111 R)
• M4: 1,735,634 km (0.072 R)
• M5: 2,033,633 km (0.088 R)
• M6: 2,343,750 km (0.071 R)
• M7: 4,810,020 km (0.088 R)
• M8: 7,140,755 km (0.11 R)
• M9: 7,615,728 km (0.05 R)
• M10: 8,315,846 km (0.083 R)
• M11: 8,895,389 km (0.037 R)
• M12: 10,253,139 km (0.1 R)
• M13: 11,808,807 km (0.092 R)
• M14: 12,473,171 km (0.108 R)
• M15: 12,814,404 km (0.093 R)
• M16: 17,242,800 km (0.029 R)
• M17: 18,979,631 km (0.118 R)
• M18: 19,431,417 km (0.113 R)
• M19: 22,194,639 km (0.113 R)
• M20: 24,993,167 km (0.089 R)
• M21: 25,317,944 km (0.039 R)
• M22: 26,984,314 km (0.095 R)
• M23: 28,722,342 km (0.071 R)
• M24: 29,078,685 km (0.071 R)
• M25: 33,195,917 km (0.102 R)
• M26: 39,413,653 km (0.117 R)
• M27: 42,563,885 km (0.075 R)
• M28: 46,855,549 km (0.072 R)
• M29: 55,917,141 km (0.084 R)
• M30: 57,219,690 km (0.095 R)
• M31: 58,923,759 km (0.069 R)
• M32: 64,239,121 km (0.072 R)
• M33: 66,286,218 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.5

Radius: 4.4

Gravity: 42.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.35 AU - 10.67 AU

Year: 19557 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,674,142 km

• M1: 54,753 km (0.109 R)
• M2: 213,476 km (0.118 R)
• M3: 398,529 km (0.117 R)
• M4: 625,469 km (0.055 R)
• M5: 959,072 km (0.104 R)
• M6: 2,011,194 km (0.105 R)
• M7: 2,155,705 km (0.106 R)
• M8: 2,351,828 km (0.071 R)
• M9: 3,820,879 km (0.093 R)
• M10: 7,883,658 km (0.115 R)
• M11: 8,297,446 km (0.063 R)
• M12: 9,625,725 km (0.114 R)
• M13: 12,906,706 km (0.114 R)
• M14: 13,700,622 km (0.104 R)
• M15: 15,147,981 km (0.094 R)
• M16: 16,277,445 km (0.058 R)
• M17: 16,443,349 km (0.054 R)
• M18: 18,702,875 km (0.088 R)
• M19: 18,884,786 km (0.055 R)
• M20: 19,624,249 km (0.113 R)
• M21: 22,059,702 km (0.062 R)
• M22: 22,879,648 km (0.118 R)
• M23: 29,564,429 km (0.12 R)
• M24: 32,882,958 km (0.116 R)
• M25: 38,021,047 km (0.073 R)
• M26: 44,797,082 km (0.115 R)
• M27: 45,450,227 km (0.086 R)
• M28: 49,677,115 km (0.088 R)
• M29: 55,272,673 km (0.112 R)
• M30: 58,512,514 km (0.112 R)
• M31: 58,706,842 km (0.118 R)
• M32: 61,273,792 km (0.092 R)
• M33: 63,914,493 km (0.101 R)
• M34: 67,694,832 km (0.099 R)
• M35: 71,177,769 km (0.066 R)
• M36: 72,513,977 km (0.103 R)
• M37: 72,963,220 km (0.218 R)
• M38: 76,390,956 km (0.115 R)
• M39: 78,498,191 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.8

Radius: 4.4

Gravity: 39.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 9.1 AU - 12.9 AU

Year: 24329 Days

Day: 20.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,674,142 km

• M1: 55,052 km (0.099 R)
• M2: 198,217 km (0.086 R)
• M3: 613,052 km (0.116 R)
• M4: 1,048,531 km (0.099 R)
• M5: 1,293,573 km (0.07 R)
• M6: 2,263,117 km (0.088 R)
• M7: 3,766,874 km (0.077 R)
• M8: 3,963,446 km (0.096 R)
• M9: 4,412,688 km (0.091 R)
• M10: 5,050,424 km (0.107 R)
• M11: 5,411,853 km (0.1 R)
• M12: 14,323,996 km (0.075 R)
• M13: 19,412,568 km (0.094 R)
• M14: 22,357,252 km (0.071 R)
• M15: 24,894,282 km (0.102 R)
• M16: 33,088,655 km (0.042 R)
• M17: 33,365,860 km (0.037 R)
• M18: 34,206,750 km (0.057 R)
• M19: 35,639,449 km (0.113 R)
• M20: 38,166,157 km (0.078 R)
• M21: 38,931,499 km (0.1 R)
• M22: 53,743,633 km (0.117 R)
• M23: 57,256,790 km (0.041 R)
• M24: 72,140,731 km (0.114 R)
• M25: 72,606,728 km (0.137 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: 167 - 17,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit