🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.68 AU

Year: 281 Days

Day: 41 Hours

Environment

Temp: -122 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,855,089 km

• M1: 563,386 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.3

Radius: 8.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.66 AU - 0.9 AU

Year: 438 Days

Day: 13.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,855,089 km

• M1: 103,372 km (0.116 R)
• M2: 412,890 km (0.099 R)
• M3: 723,455 km (0.063 R)
• M4: 1,427,912 km (0.067 R)
• M5: 2,112,771 km (0.101 R)
• M6: 3,106,998 km (0.09 R)
• M7: 3,871,593 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.5

Radius: 14.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.02 AU - 1.48 AU

Year: 889 Days

Day: 11.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 94,855,089 km

• M1: 184,005 km (0.12 R)
• M2: 681,418 km (0.102 R)
• M3: 1,198,728 km (0.084 R)
• M4: 1,768,845 km (0.078 R)
• M5: 2,269,250 km (0.031 R)
• M6: 2,730,610 km (0.088 R)
• M7: 3,228,322 km (0.032 R)
• M8: 4,277,153 km (0.099 R)
• M9: 5,064,486 km (0.083 R)
• M10: 5,803,201 km (0.119 R)
• M11: 7,521,183 km (0.107 R)
• M12: 8,327,365 km (0.064 R)
• M13: 9,190,545 km (0.068 R)
• M14: 9,964,565 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 10

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.35 AU - 1.49 AU

Year: 1076 Days

Day: 11.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,855,089 km

• M1: 124,316 km (0.101 R)
• M2: 503,846 km (0.043 R)
• M3: 1,389,315 km (0.107 R)
• M4: 1,978,581 km (0.084 R)
• M5: 2,701,887 km (0.119 R)
• M6: 3,349,197 km (0.066 R)
• M7: 5,030,079 km (0.092 R)
• M8: 5,391,208 km (0.082 R)
• M9: 5,987,804 km (0.052 R)
• M10: 7,491,113 km (0.086 R)
• M11: 7,909,987 km (0.086 R)
• M12: 8,766,136 km (0.056 R)
• M13: 9,591,318 km (0.118 R)
• M14: 10,629,527 km (0.109 R)
• M15: 11,025,064 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 8.2

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.27 AU - 1.69 AU

Year: 1145 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,855,089 km

• M1: 102,026 km (0.088 R)
• M2: 374,144 km (0.082 R)
• M3: 790,176 km (0.03 R)
• M4: 1,474,137 km (0.104 R)
• M5: 3,292,799 km (0.044 R)
• M6: 3,956,116 km (0.116 R)
• M7: 5,172,047 km (0.099 R)
• M8: 6,991,008 km (0.069 R)
• M9: 7,278,236 km (0.07 R)
• M10: 7,774,751 km (0.107 R)
• M11: 8,187,940 km (0.072 R)
• M12: 9,228,393 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.7

Radius: 11.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.25 AU - 1.79 AU

Year: 1192 Days

Day: 8.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,855,089 km

• M1: 144,212 km (0.111 R)
• M2: 706,401 km (0.12 R)
• M3: 1,167,013 km (0.115 R)
• M4: 1,555,369 km (0.073 R)
• M5: 2,092,425 km (0.101 R)
• M6: 2,788,654 km (0.069 R)
• M7: 3,411,280 km (0.119 R)
• M8: 4,091,502 km (0.091 R)
• M9: 5,029,032 km (0.117 R)
• M10: 6,847,394 km (0.099 R)
• M11: 7,549,606 km (0.05 R)
• M12: 9,706,957 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 13.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.29 AU - 2.61 AU

Year: 2438 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 94,855,089 km

• M1: 181,462 km (0.106 R)
• M2: 724,802 km (0.12 R)
• M3: 1,161,627 km (0.06 R)
• M4: 1,925,923 km (0.091 R)
• M5: 2,768,907 km (0.117 R)
• M6: 4,092,100 km (0.114 R)
• M7: 4,636,188 km (0.099 R)
• M8: 5,228,446 km (0.082 R)
• M9: 5,824,892 km (0.029 R)
• M10: 6,615,517 km (0.096 R)
• M11: 7,395,221 km (0.113 R)
• M12: 9,907,568 km (0.111 R)
• M13: 10,789,148 km (0.094 R)
• M14: 11,357,171 km (0.107 R)
• M15: 12,284,678 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.1

Radius: 14

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.79 AU - 6.07 AU

Year: 9182 Days

Day: 8.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,855,089 km

• M1: 174,282 km (0.118 R)
• M2: 673,938 km (0.072 R)
• M3: 1,500,018 km (0.069 R)
• M4: 2,412,116 km (0.115 R)
• M5: 2,853,280 km (0.094 R)
• M6: 4,785,337 km (0.118 R)
• M7: 5,258,664 km (0.076 R)
• M8: 6,263,663 km (0.088 R)
• M9: 6,831,985 km (0.108 R)
• M10: 7,351,987 km (0.096 R)
• M11: 8,072,152 km (0.108 R)
• M12: 8,608,460 km (0.099 R)
• M13: 10,310,136 km (0.097 R)
• M14: 13,609,068 km (0.065 R)
• M15: 14,305,895 km (0.069 R)
• M16: 15,702,690 km (0.039 R)
• M17: 16,611,796 km (0.037 R)
• M18: 17,188,496 km (0.09 R)
• M19: 18,305,843 km (0.073 R)
• M20: 19,155,708 km (0.111 R)
• M21: 21,184,854 km (0.065 R)
• M22: 22,556,517 km (0.067 R)
• M23: 23,443,482 km (0.092 R)
• M24: 24,169,630 km (0.029 R)
• M25: 26,829,929 km (0.088 R)
• M26: 27,725,123 km (0.056 R)
• M27: 31,946,027 km (0.07 R)
• M28: 32,614,131 km (0.111 R)
• M29: 46,718,667 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.4

Radius: 3.3

Gravity: 79.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.86 AU - 12.14 AU

Year: 24796 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 94,855,089 km

• M1: 43,084 km (0.062 R)
• M2: 549,174 km (0.113 R)
• M3: 744,100 km (0.038 R)
• M4: 919,129 km (0.072 R)
• M5: 2,034,531 km (0.064 R)
• M6: 2,144,785 km (0.111 R)
• M7: 2,575,477 km (0.074 R)
• M8: 2,704,730 km (0.113 R)
• M9: 2,893,073 km (0.084 R)
• M10: 4,464,748 km (0.083 R)
• M11: 5,040,999 km (0.067 R)
• M12: 5,326,283 km (0.076 R)
• M13: 5,536,468 km (0.111 R)
• M14: 6,386,333 km (0.106 R)
• M15: 6,528,002 km (0.118 R)
• M16: 8,854,997 km (0.082 R)
• M17: 10,396,154 km (0.12 R)
• M18: 13,760,910 km (0.05 R)
• M19: 15,053,884 km (0.079 R)
• M20: 15,901,954 km (0.116 R)
• M21: 16,781,291 km (0.094 R)
• M22: 17,141,971 km (0.092 R)
• M23: 20,114,032 km (0.091 R)
• M24: 23,411,917 km (0.114 R)
• M25: 25,601,581 km (0.082 R)
• M26: 31,323,999 km (0.071 R)
• M27: 35,430,161 km (0.06 R)
• M28: 36,623,055 km (0.084 R)
• M29: 47,861,296 km (0.093 R)
• M30: 49,317,631 km (0.119 R)
• M31: 54,647,354 km (0.108 R)
• M32: 57,247,216 km (0.03 R)
• M33: 62,046,764 km (0.106 R)
• M34: 65,095,718 km (0.034 R)
• M35: 66,656,922 km (0.114 R)
• M36: 68,471,544 km (0.103 R)
• M37: 72,674,346 km (0.091 R)
• M38: 75,081,975 km (0.106 R)
• M39: 81,846,790 km (0.098 R)
• M40: 83,142,457 km (0.102 R)
• M41: 86,575,280 km (0.026 R)
• M42: 89,279,261 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 14,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit