🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.1

Radius: 14.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 599 Days

Day: 8.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,582,573 km

• M1: 184,305 km (0.11 R)
• M2: 723,156 km (0.098 R)
• M3: 1,223,860 km (0.072 R)
• M4: 1,932,206 km (0.049 R)
• M5: 2,662,693 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 14.2

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.32 AU - 5.02 AU

Year: 6845 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,582,573 km

• M1: 176,525 km (0.117 R)
• M2: 689,497 km (0.072 R)
• M3: 1,240,017 km (0.081 R)
• M4: 2,691,864 km (0.096 R)
• M5: 3,490,567 km (0.072 R)
• M6: 4,980,412 km (0.065 R)
• M7: 5,840,600 km (0.081 R)
• M8: 12,682,758 km (0.116 R)
• M9: 14,338,208 km (0.089 R)
• M10: 15,136,612 km (0.053 R)
• M11: 15,964,337 km (0.105 R)
• M12: 16,706,193 km (0.106 R)
• M13: 17,590,466 km (0.055 R)
• M14: 20,298,935 km (0.102 R)
• M15: 22,275,721 km (0.053 R)
• M16: 23,058,118 km (0.078 R)
• M17: 23,565,405 km (0.107 R)
• M18: 24,080,320 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.5

Radius: 7.8

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.58 AU - 6.62 AU

Year: 10218 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,582,573 km

• M1: 134,788 km (0.042 R)
• M2: 488,587 km (0.057 R)
• M3: 766,539 km (0.057 R)
• M4: 1,544,897 km (0.117 R)
• M5: 2,435,753 km (0.075 R)
• M6: 3,062,717 km (0.081 R)
• M7: 3,426,988 km (0.093 R)
• M8: 4,184,402 km (0.103 R)
• M9: 4,572,010 km (0.094 R)
• M10: 5,664,374 km (0.066 R)
• M11: 6,640,350 km (0.061 R)
• M12: 7,294,243 km (0.099 R)
• M13: 8,634,939 km (0.117 R)
• M14: 9,923,575 km (0.082 R)
• M15: 10,238,179 km (0.091 R)
• M16: 10,613,819 km (0.113 R)
• M17: 12,876,936 km (0.115 R)
• M18: 13,505,397 km (0.102 R)
• M19: 15,654,071 km (0.048 R)
• M20: 17,636,243 km (0.104 R)
• M21: 19,208,367 km (0.051 R)
• M22: 19,945,585 km (0.108 R)
• M23: 20,195,413 km (0.106 R)
• M24: 21,389,055 km (0.042 R)
• M25: 21,650,851 km (0.098 R)
• M26: 23,083,251 km (0.093 R)
• M27: 24,387,594 km (0.105 R)
• M28: 27,244,465 km (0.09 R)
• M29: 31,091,823 km (0.114 R)
• M30: 31,766,509 km (0.118 R)
• M31: 36,391,328 km (0.107 R)
• M32: 41,175,767 km (0.111 R)
• M33: 43,928,816 km (0.042 R)
• M34: 47,243,756 km (0.115 R)
• M35: 48,735,546 km (0.106 R)
• M36: 50,104,815 km (0.111 R)
• M37: 53,399,409 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.3

Radius: 7.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.71 AU - 8.55 AU

Year: 12913 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,582,573 km

• M1: 93,349 km (0.064 R)
• M2: 341,682 km (0.107 R)
• M3: 581,637 km (0.104 R)
• M4: 959,222 km (0.073 R)
• M5: 1,199,625 km (0.075 R)
• M6: 1,864,887 km (0.117 R)
• M7: 2,793,591 km (0.083 R)
• M8: 3,120,612 km (0.076 R)
• M9: 4,890,953 km (0.07 R)
• M10: 5,585,386 km (0.057 R)
• M11: 5,841,797 km (0.071 R)
• M12: 6,447,519 km (0.107 R)
• M13: 6,947,176 km (0.084 R)
• M14: 7,983,141 km (0.108 R)
• M15: 12,558,442 km (0.102 R)
• M16: 13,394,096 km (0.094 R)
• M17: 16,513,511 km (0.11 R)
• M18: 17,721,065 km (0.098 R)
• M19: 19,202,981 km (0.117 R)
• M20: 23,555,830 km (0.084 R)
• M21: 24,567,262 km (0.079 R)
• M22: 25,871,905 km (0.088 R)
• M23: 26,496,176 km (0.094 R)
• M24: 27,130,621 km (0.072 R)
• M25: 33,513,065 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.3

Radius: 7.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.62 AU - 10.62 AU

Year: 18680 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,582,573 km

• M1: 96,939 km (0.115 R)
• M2: 529,427 km (0.081 R)
• M3: 1,922,632 km (0.12 R)
• M4: 3,651,983 km (0.054 R)
• M5: 7,600,021 km (0.099 R)
• M6: 7,994,959 km (0.07 R)
• M7: 8,778,253 km (0.102 R)
• M8: 9,510,984 km (0.075 R)
• M9: 10,283,956 km (0.103 R)
• M10: 10,822,060 km (0.074 R)
• M11: 14,854,919 km (0.106 R)
• M12: 16,980,854 km (0.11 R)
• M13: 17,353,802 km (0.092 R)
• M14: 20,706,440 km (0.076 R)
• M15: 35,809,392 km (0.086 R)
• M16: 37,797,697 km (0.119 R)
• M17: 38,433,787 km (0.097 R)
• M18: 39,336,461 km (0.115 R)
• M19: 40,253,047 km (0.056 R)
• M20: 40,916,364 km (0.076 R)
• M21: 41,183,845 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 7.3

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.99 AU - 11.43 AU

Year: 18957 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,582,573 km

• M1: 90,806 km (0.069 R)
• M2: 354,397 km (0.089 R)
• M3: 628,760 km (0.049 R)
• M4: 1,035,217 km (0.11 R)
• M5: 2,396,408 km (0.047 R)
• M6: 2,980,438 km (0.094 R)
• M7: 3,250,313 km (0.112 R)
• M8: 3,478,001 km (0.112 R)
• M9: 5,228,745 km (0.091 R)
• M10: 5,462,865 km (0.12 R)
• M11: 5,785,847 km (0.078 R)
• M12: 6,740,581 km (0.101 R)
• M13: 7,948,284 km (0.088 R)
• M14: 8,469,633 km (0.079 R)
• M15: 8,738,760 km (0.081 R)
• M16: 10,171,010 km (0.101 R)
• M17: 10,536,776 km (0.102 R)
• M18: 12,777,753 km (0.097 R)
• M19: 15,557,431 km (0.092 R)
• M20: 16,790,865 km (0.084 R)
• M21: 17,999,765 km (0.074 R)
• M22: 20,978,857 km (0.044 R)
• M23: 22,176,089 km (0.099 R)
• M24: 28,851,445 km (0.064 R)
• M25: 29,584,774 km (0.055 R)
• M26: 30,834,365 km (0.107 R)
• M27: 31,472,101 km (0.12 R)
• M28: 32,379,861 km (0.075 R)
• M29: 39,377,002 km (0.109 R)
• M30: 45,323,218 km (0.12 R)
• M31: 47,487,450 km (0.087 R)
• M32: 50,949,893 km (0.03 R)
• M33: 52,561,511 km (0.106 R)
• M34: 65,222,727 km (0.118 R)
• M35: 73,265,108 km (0.12 R)
• M36: 73,944,732 km (0.109 R)
• M37: 75,316,544 km (0.114 R)
• M38: 77,640,547 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.5

Radius: 3

Gravity: 105.61 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.19 AU - 10.51 AU

Year: 20967 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,582,573 km

• M1: 37,399 km (0.113 R)
• M2: 157,078 km (0.099 R)
• M3: 262,395 km (0.099 R)
• M4: 600,635 km (0.119 R)
• M5: 871,408 km (0.087 R)
• M6: 1,722,470 km (0.117 R)
• M7: 1,877,902 km (0.103 R)
• M8: 2,424,682 km (0.109 R)
• M9: 2,960,093 km (0.117 R)
• M10: 3,126,595 km (0.094 R)
• M11: 3,417,863 km (0.103 R)
• M12: 4,580,537 km (0.118 R)
• M13: 5,310,724 km (0.101 R)
• M14: 6,663,388 km (0.092 R)
• M15: 7,095,277 km (0.088 R)
• M16: 7,494,704 km (0.071 R)
• M17: 7,596,879 km (0.042 R)
• M18: 8,896,436 km (0.089 R)
• M19: 9,184,711 km (0.107 R)
• M20: 9,840,698 km (0.026 R)
• M21: 10,336,914 km (0.102 R)
• M22: 10,527,202 km (0.082 R)
• M23: 12,705,347 km (0.036 R)
• M24: 15,084,552 km (0.112 R)
• M25: 15,329,443 km (0.026 R)
• M26: 17,474,228 km (0.117 R)
• M27: 18,017,268 km (0.081 R)
• M28: 21,513,371 km (0.077 R)
• M29: 23,638,259 km (0.063 R)
• M30: 26,961,575 km (0.064 R)
• M31: 27,685,928 km (0.112 R)
• M32: 28,796,693 km (0.113 R)
• M33: 30,453,040 km (0.102 R)
• M34: 30,583,041 km (0.075 R)
• M35: 32,713,464 km (0.048 R)
• M36: 43,364,683 km (0.096 R)
• M37: 44,860,512 km (0.081 R)
• M38: 45,536,245 km (0.103 R)
• M39: 51,925,720 km (0.074 R)
• M40: 54,372,393 km (0.101 R)
• M41: 62,799,989 km (0.087 R)
• M42: 83,193,171 km (0.222 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: 438 - 13,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit