🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 14.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.54 AU - 0.76 AU

Year: 362 Days

Day: 5 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,095,309 km

• M1: 175,628 km (0.112 R)
• M2: 645,365 km (0.114 R)
• M3: 1,141,581 km (0.114 R)
• M4: 1,908,719 km (0.092 R)
• M5: 2,437,548 km (0.097 R)
• M6: 3,230,267 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.5

Radius: 10.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.93 AU - 1.21 AU

Year: 764 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,095,309 km

• M1: 130,599 km (0.104 R)
• M2: 488,736 km (0.115 R)
• M3: 855,101 km (0.059 R)
• M4: 1,199,326 km (0.103 R)
• M5: 1,852,919 km (0.061 R)
• M6: 2,333,128 km (0.118 R)
• M7: 3,488,772 km (0.095 R)
• M8: 3,827,162 km (0.111 R)

Asteroid Belt

Center: 1.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 14.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.37 AU - 1.81 AU

Year: 1384 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 79.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,095,309 km

• M1: 181,612 km (0.093 R)
• M2: 637,586 km (0.084 R)
• M3: 1,310,777 km (0.11 R)
• M4: 1,890,319 km (0.065 R)
• M5: 2,362,150 km (0.104 R)
• M6: 2,913,568 km (0.108 R)
• M7: 4,814,658 km (0.097 R)
• M8: 5,455,834 km (0.064 R)
• M9: 6,108,231 km (0.109 R)
• M10: 7,728,226 km (0.115 R)
• M11: 9,134,745 km (0.1 R)
• M12: 10,673,060 km (0.114 R)
• M13: 11,873,433 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297

Radius: 13.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.89 AU - 2.31 AU

Year: 2101 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,095,309 km

• M1: 171,738 km (0.083 R)
• M2: 677,529 km (0.057 R)
• M3: 1,142,629 km (0.057 R)
• M4: 1,623,586 km (0.108 R)
• M5: 3,042,521 km (0.098 R)
• M6: 3,693,422 km (0.056 R)
• M7: 4,679,421 km (0.087 R)
• M8: 5,593,464 km (0.089 R)
• M9: 6,220,130 km (0.085 R)
• M10: 7,482,437 km (0.109 R)
• M11: 8,104,913 km (0.11 R)
• M12: 9,453,837 km (0.08 R)
• M13: 10,811,737 km (0.096 R)
• M14: 11,822,720 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.2

Radius: 12.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.11 AU - 6.11 AU

Year: 7973 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,095,309 km

• M1: 160,369 km (0.041 R)
• M2: 660,175 km (0.058 R)
• M3: 1,265,000 km (0.096 R)
• M4: 2,226,914 km (0.087 R)
• M5: 4,572,459 km (0.115 R)
• M6: 5,553,073 km (0.106 R)
• M7: 12,926,902 km (0.093 R)
• M8: 14,358,553 km (0.052 R)
• M9: 18,129,018 km (0.111 R)
• M10: 20,785,427 km (0.091 R)
• M11: 26,084,334 km (0.115 R)
• M12: 27,207,664 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 14.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.36 AU - 5.7 AU

Year: 8976 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,095,309 km

• M1: 183,257 km (0.101 R)
• M2: 764,296 km (0.107 R)
• M3: 1,727,407 km (0.081 R)
• M4: 2,508,457 km (0.089 R)
• M5: 2,972,210 km (0.11 R)
• M6: 3,472,017 km (0.118 R)
• M7: 6,064,997 km (0.119 R)
• M8: 8,927,103 km (0.068 R)
• M9: 10,772,692 km (0.078 R)
• M10: 18,857,410 km (0.11 R)
• M11: 19,422,441 km (0.09 R)
• M12: 20,071,846 km (0.064 R)
• M13: 23,864,301 km (0.106 R)
• M14: 25,114,939 km (0.117 R)
• M15: 26,761,114 km (0.108 R)
• M16: 27,928,277 km (0.104 R)
• M17: 29,128,949 km (0.081 R)
• M18: 30,460,370 km (0.081 R)
• M19: 31,043,204 km (0.058 R)
• M20: 33,552,409 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.4

Radius: 3

Gravity: 86.04 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.83 AU - 8.95 AU

Year: 13867 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,095,309 km

• M1: 37,549 km (0.093 R)
• M2: 139,276 km (0.074 R)
• M3: 306,077 km (0.106 R)
• M4: 556,504 km (0.11 R)
• M5: 802,293 km (0.085 R)
• M6: 1,166,265 km (0.092 R)
• M7: 1,286,093 km (0.097 R)
• M8: 2,070,734 km (0.084 R)
• M9: 3,415,619 km (0.077 R)
• M10: 7,840,873 km (0.117 R)
• M11: 9,540,006 km (0.063 R)
• M12: 9,646,968 km (0.12 R)
• M13: 12,207,934 km (0.105 R)
• M14: 13,847,527 km (0.11 R)
• M15: 15,115,070 km (0.079 R)
• M16: 15,851,690 km (0.051 R)
• M17: 21,597,295 km (0.116 R)
• M18: 22,060,600 km (0.103 R)
• M19: 28,257,542 km (0.103 R)
• M20: 29,713,129 km (0.116 R)
• M21: 32,048,801 km (0.079 R)
• M22: 32,288,905 km (0.086 R)
• M23: 32,530,207 km (0.078 R)
• M24: 32,651,231 km (0.111 R)
• M25: 32,772,705 km (0.089 R)
• M26: 39,233,538 km (0.044 R)
• M27: 42,182,560 km (0.034 R)
• M28: 44,675,459 km (0.063 R)
• M29: 47,264,849 km (0.118 R)
• M30: 47,731,893 km (0.11 R)
• M31: 49,311,049 km (0.068 R)
• M32: 51,744,557 km (0.112 R)
• M33: 56,324,346 km (0.051 R)
• M34: 58,086,908 km (0.106 R)
• M35: 60,615,711 km (0.084 R)
• M36: 61,721,538 km (0.097 R)
• M37: 62,093,139 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.6

Radius: 6

Gravity: 20.96 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.58 AU - 10.34 AU

Year: 16985 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,095,309 km

• M1: 77,641 km (0.065 R)
• M2: 604,675 km (0.095 R)
• M3: 931,097 km (0.111 R)
• M4: 1,491,341 km (0.056 R)
• M5: 2,381,449 km (0.101 R)
• M6: 2,865,996 km (0.081 R)
• M7: 3,092,936 km (0.091 R)
• M8: 3,386,597 km (0.096 R)
• M9: 3,757,450 km (0.082 R)
• M10: 4,029,718 km (0.053 R)
• M11: 4,926,557 km (0.047 R)
• M12: 5,440,725 km (0.103 R)
• M13: 8,205,742 km (0.094 R)
• M14: 9,690,352 km (0.065 R)
• M15: 11,659,808 km (0.107 R)
• M16: 11,979,797 km (0.1 R)
• M17: 12,570,559 km (0.07 R)
• M18: 13,457,974 km (0.07 R)
• M19: 14,532,835 km (0.043 R)
• M20: 15,741,286 km (0.044 R)
• M21: 22,405,871 km (0.088 R)
• M22: 26,132,205 km (0.036 R)
• M23: 27,124,338 km (0.12 R)
• M24: 28,949,881 km (0.094 R)
• M25: 29,418,720 km (0.069 R)
• M26: 31,715,347 km (0.118 R)
• M27: 31,963,829 km (0.118 R)
• M28: 35,047,789 km (0.069 R)
• M29: 39,032,029 km (0.107 R)
• M30: 45,953,923 km (0.095 R)
• M31: 47,885,530 km (0.069 R)
• M32: 51,909,564 km (0.087 R)
• M33: 52,775,436 km (0.039 R)
• M34: 54,535,904 km (0.117 R)
• M35: 59,672,795 km (0.091 R)
• M36: 59,862,037 km (0.036 R)
• M37: 62,553,003 km (0.051 R)
• M38: 66,535,598 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.7

Radius: 4.2

Gravity: 24.3 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.78 AU - 10.54 AU

Year: 22354 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,095,309 km

• M1: 52,958 km (0.097 R)
• M2: 185,801 km (0.117 R)
• M3: 495,767 km (0.105 R)
• M4: 629,508 km (0.079 R)
• M5: 1,082,341 km (0.108 R)
• M6: 1,340,995 km (0.098 R)
• M7: 1,760,468 km (0.103 R)
• M8: 2,805,259 km (0.051 R)
• M9: 3,055,387 km (0.114 R)
• M10: 3,266,021 km (0.052 R)
• M11: 3,571,500 km (0.053 R)
• M12: 3,716,460 km (0.032 R)
• M13: 4,271,318 km (0.089 R)
• M14: 7,511,608 km (0.074 R)
• M15: 8,444,949 km (0.119 R)
• M16: 9,180,522 km (0.103 R)
• M17: 10,014,979 km (0.109 R)
• M18: 10,717,939 km (0.095 R)
• M19: 10,898,654 km (0.114 R)
• M20: 11,516,044 km (0.062 R)
• M21: 12,819,939 km (0.083 R)
• M22: 14,147,022 km (0.109 R)
• M23: 14,880,949 km (0.075 R)
• M24: 15,794,842 km (0.114 R)
• M25: 17,986,601 km (0.063 R)
• M26: 19,915,965 km (0.055 R)
• M27: 25,978,418 km (0.103 R)
• M28: 29,483,646 km (0.111 R)
• M29: 29,720,011 km (0.12 R)
• M30: 39,097,104 km (0.108 R)
• M31: 40,537,732 km (0.087 R)
• M32: 40,683,739 km (0.034 R)
• M33: 42,915,740 km (0.12 R)
• M34: 45,071,445 km (0.085 R)
• M35: 49,931,431 km (0.071 R)
• M36: 51,284,095 km (0.114 R)
• M37: 59,916,042 km (0.064 R)
• M38: 63,584,032 km (0.034 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 12,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit