🌌 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: 306.9

Radius: 14.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 14.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,487,978 km

• M1: 182,809 km (0.062 R)
• M2: 671,096 km (0.07 R)
• M3: 1,176,138 km (0.11 R)
• M4: 1,840,054 km (0.112 R)
• M5: 2,369,481 km (0.109 R)
• M6: 3,018,586 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.2

Radius: 14.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.3 AU - 2.02 AU

Year: 1451 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,487,978 km

• M1: 184,155 km (0.098 R)
• M2: 645,216 km (0.079 R)
• M3: 1,158,187 km (0.12 R)
• M4: 2,258,778 km (0.087 R)
• M5: 3,038,333 km (0.115 R)
• M6: 3,533,203 km (0.105 R)
• M7: 4,021,939 km (0.058 R)
• M8: 4,556,003 km (0.058 R)
• M9: 5,299,654 km (0.083 R)
• M10: 5,865,433 km (0.079 R)
• M11: 6,471,454 km (0.083 R)
• M12: 6,964,230 km (0.091 R)
• M13: 8,419,368 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 9.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.87 AU - 2.31 AU

Year: 2049 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,487,978 km

• M1: 116,986 km (0.084 R)
• M2: 491,878 km (0.1 R)
• M3: 875,746 km (0.101 R)
• M4: 1,222,065 km (0.083 R)
• M5: 1,859,651 km (0.116 R)
• M6: 2,418,998 km (0.078 R)
• M7: 3,071,992 km (0.027 R)
• M8: 3,553,249 km (0.11 R)
• M9: 3,959,706 km (0.088 R)
• M10: 5,390,759 km (0.09 R)
• M11: 5,928,863 km (0.105 R)
• M12: 7,218,097 km (0.036 R)
• M13: 10,040,560 km (0.106 R)
• M14: 11,279,679 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 12.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.82 AU - 4.68 AU

Year: 4925 Days

Day: 13.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,487,978 km

• M1: 153,188 km (0.065 R)
• M2: 636,090 km (0.089 R)
• M3: 1,103,135 km (0.083 R)
• M4: 1,493,436 km (0.114 R)
• M5: 5,848,379 km (0.107 R)
• M6: 7,218,396 km (0.082 R)
• M7: 8,099,528 km (0.104 R)
• M8: 10,519,273 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.1

Radius: 11

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.29 AU - 4.57 AU

Year: 5284 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,487,978 km

• M1: 137,032 km (0.098 R)
• M2: 571,913 km (0.098 R)
• M3: 1,037,910 km (0.088 R)
• M4: 1,641,986 km (0.103 R)
• M5: 2,216,592 km (0.097 R)
• M6: 4,064,125 km (0.107 R)
• M7: 4,749,882 km (0.119 R)
• M8: 6,478,934 km (0.109 R)
• M9: 9,106,471 km (0.118 R)
• M10: 13,443,463 km (0.046 R)
• M11: 14,243,812 km (0.108 R)
• M12: 16,654,133 km (0.037 R)
• M13: 22,121,336 km (0.114 R)
• M14: 24,388,642 km (0.037 R)
• M15: 29,646,708 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.2

Radius: 3.4

Gravity: 64.38 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.07 AU - 7.13 AU

Year: 10218 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,487,978 km

• M1: 50,115 km (0.054 R)
• M2: 157,227 km (0.103 R)
• M3: 333,603 km (0.087 R)
• M4: 870,510 km (0.1 R)
• M5: 1,162,375 km (0.091 R)
• M6: 1,350,869 km (0.104 R)
• M7: 1,573,919 km (0.064 R)
• M8: 2,511,299 km (0.04 R)
• M9: 3,335,883 km (0.043 R)
• M10: 5,361,588 km (0.068 R)
• M11: 6,513,342 km (0.115 R)
• M12: 8,083,521 km (0.074 R)
• M13: 9,488,544 km (0.108 R)
• M14: 13,013,668 km (0.11 R)
• M15: 15,678,455 km (0.114 R)
• M16: 20,364,758 km (0.061 R)
• M17: 23,836,775 km (0.051 R)
• M18: 26,390,860 km (0.119 R)
• M19: 28,396,219 km (0.046 R)
• M20: 32,594,534 km (0.114 R)
• M21: 36,091,833 km (0.099 R)
• M22: 37,930,839 km (0.096 R)
• M23: 44,510,303 km (0.094 R)
• M24: 46,909,704 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.2

Radius: 3.3

Gravity: 38.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.25 AU - 7.21 AU

Year: 11842 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,487,978 km

• M1: 42,486 km (0.085 R)
• M2: 162,912 km (0.07 R)
• M3: 432,188 km (0.108 R)
• M4: 767,587 km (0.051 R)
• M5: 1,487,302 km (0.069 R)
• M6: 1,937,891 km (0.105 R)
• M7: 3,101,912 km (0.113 R)
• M8: 3,404,548 km (0.068 R)
• M9: 5,252,531 km (0.099 R)
• M10: 6,278,473 km (0.07 R)
• M11: 9,749,592 km (0.102 R)
• M12: 14,065,790 km (0.1 R)
• M13: 15,281,871 km (0.098 R)
• M14: 32,371,184 km (0.062 R)
• M15: 33,803,883 km (0.096 R)
• M16: 35,856,515 km (0.104 R)
• M17: 38,720,417 km (0.098 R)
• M18: 41,990,926 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.5

Radius: 8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.18 AU - 9.18 AU

Year: 17345 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,487,978 km

• M1: 99,483 km (0.049 R)
• M2: 408,851 km (0.12 R)
• M3: 1,484,160 km (0.119 R)
• M4: 1,891,665 km (0.053 R)
• M5: 3,505,228 km (0.101 R)
• M6: 4,643,967 km (0.091 R)
• M7: 5,328,975 km (0.109 R)
• M8: 6,714,850 km (0.032 R)
• M9: 7,086,451 km (0.092 R)
• M10: 13,134,394 km (0.092 R)
• M11: 15,309,547 km (0.091 R)
• M12: 15,888,640 km (0.12 R)
• M13: 17,296,805 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.9

Radius: 7.7

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.18 AU - 10.84 AU

Year: 18343 Days

Day: 18.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,487,978 km

• M1: 102,624 km (0.114 R)
• M2: 378,931 km (0.12 R)
• M3: 695,181 km (0.073 R)
• M4: 1,087,577 km (0.067 R)
• M5: 1,349,522 km (0.08 R)
• M6: 2,600,310 km (0.09 R)
• M7: 2,879,161 km (0.118 R)
• M8: 4,139,373 km (0.112 R)
• M9: 4,926,407 km (0.116 R)
• M10: 9,735,680 km (0.073 R)
• M11: 10,297,121 km (0.039 R)
• M12: 10,939,344 km (0.12 R)
• M13: 12,303,677 km (0.109 R)
• M14: 12,826,821 km (0.066 R)
• M15: 15,743,530 km (0.12 R)
• M16: 16,516,802 km (0.11 R)
• M17: 18,138,742 km (0.108 R)
• M18: 18,645,430 km (0.066 R)
• M19: 29,571,310 km (0.097 R)
• M20: 36,026,758 km (0.107 R)
• M21: 36,827,106 km (0.088 R)
• M22: 38,049,919 km (0.058 R)
• M23: 39,440,132 km (0.103 R)
• M24: 45,339,973 km (0.05 R)
• M25: 48,985,224 km (0.094 R)
• M26: 51,129,710 km (0.118 R)
• M27: 53,854,037 km (0.11 R)
• M28: 56,494,589 km (0.078 R)
• M29: 60,521,464 km (0.089 R)
• M30: 64,540,112 km (0.09 R)
• M31: 65,522,521 km (0.071 R)
• M32: 66,116,724 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.6

Radius: 5.9

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.28 AU - 11.04 AU

Year: 21965 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,487,978 km

• M1: 73,453 km (0.09 R)
• M2: 1,184,366 km (0.111 R)
• M3: 1,677,591 km (0.106 R)
• M4: 2,366,040 km (0.103 R)
• M5: 2,600,609 km (0.105 R)
• M6: 4,048,118 km (0.118 R)
• M7: 4,667,454 km (0.12 R)
• M8: 5,152,599 km (0.036 R)
• M9: 5,507,745 km (0.047 R)
• M10: 6,222,972 km (0.094 R)
• M11: 7,384,899 km (0.055 R)
• M12: 9,244,849 km (0.047 R)
• M13: 10,008,696 km (0.046 R)
• M14: 11,462,189 km (0.11 R)
• M15: 11,863,261 km (0.103 R)
• M16: 12,693,529 km (0.111 R)
• M17: 13,341,288 km (0.101 R)
• M18: 13,710,495 km (0.03 R)
• M19: 14,010,738 km (0.119 R)
• M20: 14,469,256 km (0.098 R)
• M21: 16,488,378 km (0.055 R)
• M22: 17,521,202 km (0.093 R)
• M23: 19,150,323 km (0.098 R)
• M24: 19,525,664 km (0.086 R)
• M25: 26,331,619 km (0.031 R)
• M26: 27,029,792 km (0.115 R)
• M27: 29,321,931 km (0.107 R)
• M28: 30,071,865 km (0.086 R)
• M29: 32,002,425 km (0.104 R)
• M30: 47,881,641 km (0.116 R)
• M31: 51,044,289 km (0.1 R)
• M32: 52,860,258 km (0.067 R)
• M33: 54,907,056 km (0.117 R)
• M34: 55,474,182 km (0.085 R)
• M35: 61,363,251 km (0.102 R)
• M36: 62,794,903 km (0.104 R)
• M37: 66,792,757 km (0.109 R)
• M38: 67,872,255 km (0.103 R)
• M39: 68,744,261 km (0.107 R)
• M40: 81,013,380 km (0.077 R)
• M41: 81,994,443 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 14,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit