🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.49 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.52 AU - 3.44 AU

Year: 3375 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,253,168 km

• M1: 156,779 km (0.102 R)
• M2: 741,557 km (0.107 R)
• M3: 1,813,126 km (0.081 R)
• M4: 2,318,019 km (0.063 R)
• M5: 2,761,726 km (0.102 R)
• M6: 3,187,332 km (0.118 R)
• M7: 3,823,422 km (0.068 R)
• M8: 4,308,718 km (0.063 R)
• M9: 5,166,213 km (0.109 R)
• M10: 6,046,746 km (0.082 R)
• M11: 7,219,444 km (0.106 R)
• M12: 7,929,734 km (0.088 R)
• M13: 8,835,549 km (0.112 R)
• M14: 9,529,534 km (0.081 R)
• M15: 10,896,111 km (0.094 R)
• M16: 11,469,070 km (0.083 R)
• M17: 13,309,124 km (0.114 R)
• M18: 15,283,966 km (0.118 R)
• M19: 15,946,385 km (0.071 R)
• M20: 21,132,195 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 14.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.78 AU - 3.32 AU

Year: 3494 Days

Day: 14.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,253,168 km

• M1: 181,612 km (0.068 R)
• M2: 890,556 km (0.081 R)
• M3: 1,540,409 km (0.089 R)
• M4: 2,258,479 km (0.11 R)
• M5: 3,263,926 km (0.102 R)
• M6: 4,221,951 km (0.083 R)
• M7: 5,015,717 km (0.073 R)
• M8: 5,880,543 km (0.102 R)
• M9: 6,753,596 km (0.111 R)
• M10: 7,551,252 km (0.088 R)
• M11: 9,043,790 km (0.093 R)
• M12: 9,860,145 km (0.093 R)
• M13: 11,093,580 km (0.073 R)
• M14: 11,812,248 km (0.091 R)
• M15: 12,879,778 km (0.116 R)
• M16: 13,343,232 km (0.111 R)
• M17: 14,059,208 km (0.08 R)
• M18: 16,041,380 km (0.101 R)
• M19: 17,127,311 km (0.056 R)
• M20: 17,631,755 km (0.109 R)
• M21: 19,264,765 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 9.8

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.22 AU - 4.32 AU

Year: 4802 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,253,168 km

• M1: 121,922 km (0.107 R)
• M2: 438,322 km (0.049 R)
• M3: 744,848 km (0.116 R)
• M4: 1,495,231 km (0.095 R)
• M5: 2,440,390 km (0.054 R)
• M6: 2,843,856 km (0.06 R)
• M7: 3,311,050 km (0.068 R)
• M8: 3,678,761 km (0.082 R)
• M9: 3,983,492 km (0.103 R)
• M10: 6,213,398 km (0.089 R)
• M11: 6,872,227 km (0.105 R)
• M12: 7,235,600 km (0.114 R)
• M13: 7,787,018 km (0.075 R)
• M14: 8,403,212 km (0.063 R)
• M15: 9,651,307 km (0.075 R)
• M16: 10,107,730 km (0.066 R)
• M17: 10,929,770 km (0.119 R)
• M18: 11,334,432 km (0.103 R)
• M19: 12,609,006 km (0.049 R)
• M20: 13,004,244 km (0.095 R)
• M21: 13,767,791 km (0.097 R)
• M22: 14,561,109 km (0.076 R)
• M23: 15,217,245 km (0.051 R)
• M24: 16,180,506 km (0.119 R)
• M25: 18,165,669 km (0.114 R)
• M26: 20,173,572 km (0.056 R)
• M27: 21,405,062 km (0.076 R)
• M28: 26,431,101 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 12.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.31 AU - 5.01 AU

Year: 6599 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,253,168 km

• M1: 160,519 km (0.082 R)
• M2: 904,319 km (0.116 R)
• M3: 1,610,421 km (0.042 R)
• M4: 3,191,970 km (0.101 R)
• M5: 5,188,952 km (0.081 R)
• M6: 10,217,684 km (0.108 R)
• M7: 11,430,624 km (0.029 R)
• M8: 12,096,185 km (0.119 R)
• M9: 12,687,096 km (0.05 R)
• M10: 15,189,270 km (0.117 R)
• M11: 17,193,283 km (0.111 R)
• M12: 20,939,214 km (0.101 R)
• M13: 23,039,867 km (0.07 R)
• M14: 26,162,723 km (0.054 R)
• M15: 27,487,412 km (0.063 R)
• M16: 29,205,693 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 8

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.57 AU - 6.41 AU

Year: 8439 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,253,168 km

• M1: 99,483 km (0.091 R)
• M2: 502,050 km (0.107 R)
• M3: 762,351 km (0.068 R)
• M4: 1,381,686 km (0.069 R)
• M5: 1,661,284 km (0.118 R)
• M6: 2,093,622 km (0.07 R)
• M7: 2,409,723 km (0.094 R)
• M8: 3,228,322 km (0.07 R)
• M9: 3,955,218 km (0.073 R)
• M10: 4,935,982 km (0.09 R)
• M11: 5,663,626 km (0.113 R)
• M12: 6,569,890 km (0.113 R)
• M13: 6,867,290 km (0.117 R)
• M14: 7,134,921 km (0.111 R)
• M15: 7,529,410 km (0.027 R)
• M16: 8,755,963 km (0.045 R)
• M17: 9,162,421 km (0.083 R)
• M18: 12,090,201 km (0.12 R)
• M19: 13,704,811 km (0.099 R)
• M20: 15,589,145 km (0.068 R)
• M21: 16,456,813 km (0.108 R)
• M22: 18,803,854 km (0.077 R)
• M23: 19,480,784 km (0.09 R)
• M24: 21,365,269 km (0.064 R)
• M25: 22,268,241 km (0.108 R)
• M26: 24,950,082 km (0.044 R)
• M27: 25,767,186 km (0.086 R)
• M28: 27,168,619 km (0.056 R)
• M29: 27,454,949 km (0.061 R)
• M30: 29,015,853 km (0.082 R)
• M31: 29,315,049 km (0.046 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.7

Radius: 5.9

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.18 AU - 8.9 AU

Year: 14955 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,253,168 km

• M1: 102,325 km (0.118 R)
• M2: 782,995 km (0.062 R)
• M3: 1,044,193 km (0.1 R)
• M4: 1,348,176 km (0.068 R)
• M5: 1,642,435 km (0.104 R)
• M6: 3,060,922 km (0.12 R)
• M7: 3,404,249 km (0.118 R)
• M8: 3,599,624 km (0.101 R)
• M9: 4,262,941 km (0.104 R)
• M10: 5,711,647 km (0.095 R)
• M11: 6,697,347 km (0.089 R)
• M12: 7,507,569 km (0.08 R)
• M13: 9,484,355 km (0.093 R)
• M14: 10,099,053 km (0.065 R)
• M15: 13,095,648 km (0.04 R)
• M16: 14,575,171 km (0.083 R)
• M17: 17,612,307 km (0.037 R)
• M18: 23,770,354 km (0.119 R)
• M19: 25,322,132 km (0.083 R)
• M20: 28,511,409 km (0.088 R)
• M21: 30,619,991 km (0.109 R)
• M22: 39,523,907 km (0.027 R)
• M23: 43,188,157 km (0.043 R)
• M24: 56,604,992 km (0.077 R)
• M25: 61,246,715 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.9

Radius: 7.4

Gravity: 18.08 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.53 AU - 10.31 AU

Year: 16028 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,253,168 km

• M1: 92,003 km (0.091 R)
• M2: 352,303 km (0.095 R)
• M3: 712,086 km (0.116 R)
• M4: 1,292,526 km (0.095 R)
• M5: 1,583,793 km (0.103 R)
• M6: 2,903,844 km (0.074 R)
• M7: 3,352,638 km (0.108 R)
• M8: 5,163,670 km (0.087 R)
• M9: 5,428,608 km (0.077 R)
• M10: 6,193,651 km (0.039 R)
• M11: 7,074,633 km (0.101 R)
• M12: 8,974,227 km (0.068 R)
• M13: 9,809,880 km (0.07 R)
• M14: 10,335,567 km (0.092 R)
• M15: 11,003,522 km (0.113 R)
• M16: 12,764,438 km (0.099 R)
• M17: 13,532,923 km (0.11 R)
• M18: 14,856,565 km (0.118 R)
• M19: 17,250,729 km (0.12 R)
• M20: 18,893,463 km (0.119 R)
• M21: 21,403,416 km (0.063 R)
• M22: 23,400,099 km (0.107 R)
• M23: 23,813,887 km (0.095 R)
• M24: 27,530,047 km (0.11 R)
• M25: 28,457,554 km (0.086 R)
• M26: 36,087,494 km (0.077 R)
• M27: 48,569,342 km (0.111 R)
• M28: 61,857,972 km (0.12 R)
• M29: 65,880,509 km (0.106 R)
• M30: 66,498,647 km (0.084 R)
• M31: 73,775,686 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 6.9

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.89 AU - 9.87 AU

Year: 17359 Days

Day: 21.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,253,168 km

• M1: 86,468 km (0.112 R)
• M2: 342,130 km (0.11 R)
• M3: 756,965 km (0.096 R)
• M4: 1,385,575 km (0.094 R)
• M5: 1,909,018 km (0.114 R)
• M6: 2,382,496 km (0.098 R)
• M7: 2,716,548 km (0.103 R)
• M8: 3,236,400 km (0.112 R)
• M9: 3,909,441 km (0.102 R)
• M10: 4,342,976 km (0.068 R)
• M11: 5,269,585 km (0.109 R)
• M12: 5,529,885 km (0.113 R)
• M13: 5,759,967 km (0.047 R)
• M14: 6,573,330 km (0.089 R)
• M15: 6,788,003 km (0.102 R)
• M16: 7,553,795 km (0.118 R)
• M17: 8,526,630 km (0.062 R)
• M18: 9,417,336 km (0.041 R)
• M19: 12,394,932 km (0.117 R)
• M20: 15,337,970 km (0.118 R)
• M21: 19,061,611 km (0.114 R)
• M22: 23,446,624 km (0.115 R)
• M23: 24,254,452 km (0.065 R)
• M24: 27,228,159 km (0.103 R)
• M25: 31,154,953 km (0.089 R)
• M26: 31,640,398 km (0.107 R)
• M27: 33,887,508 km (0.111 R)
• M28: 35,443,476 km (0.104 R)
• M29: 37,318,086 km (0.045 R)
• M30: 39,117,150 km (0.119 R)
• M31: 45,478,949 km (0.068 R)
• M32: 48,011,941 km (0.045 R)
• M33: 49,477,252 km (0.089 R)
• M34: 54,929,047 km (0.103 R)
• M35: 62,481,495 km (0.106 R)
• M36: 65,806,009 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.5

Radius: 3.7

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.32 AU - 13.34 AU

Year: 23380 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,253,168 km

• M1: 101,876 km (0.076 R)
• M2: 273,914 km (0.098 R)
• M3: 506,838 km (0.09 R)
• M4: 800,498 km (0.108 R)
• M5: 1,134,251 km (0.099 R)
• M6: 1,554,322 km (0.115 R)
• M7: 2,367,835 km (0.109 R)
• M8: 2,830,841 km (0.095 R)
• M9: 3,096,377 km (0.062 R)
• M10: 3,484,733 km (0.103 R)
• M11: 5,331,369 km (0.102 R)
• M12: 5,476,030 km (0.113 R)
• M13: 8,602,626 km (0.093 R)
• M14: 9,630,513 km (0.073 R)
• M15: 15,061,065 km (0.108 R)
• M16: 19,805,412 km (0.109 R)
• M17: 21,676,283 km (0.106 R)
• M18: 27,448,217 km (0.037 R)
• M19: 30,223,557 km (0.109 R)
• M20: 48,803,463 km (0.072 R)
• M21: 49,278,436 km (0.09 R)
• M22: 52,855,620 km (0.11 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: 203 - 11,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit