🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.8

Radius: 11.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,722,408 km

• M1: 141,819 km (0.078 R)
• M2: 534,962 km (0.03 R)
• M3: 979,268 km (0.101 R)
• M4: 1,445,265 km (0.034 R)
• M5: 1,827,188 km (0.109 R)
• M6: 2,538,227 km (0.041 R)
• M7: 3,052,245 km (0.054 R)
• M8: 3,817,887 km (0.088 R)
• M9: 4,227,785 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.9

Radius: 9.9

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.76 AU - 0.98 AU

Year: 560 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,722,408 km

• M1: 123,119 km (0.087 R)
• M2: 440,865 km (0.068 R)
• M3: 810,072 km (0.069 R)
• M4: 1,214,136 km (0.078 R)
• M5: 1,946,119 km (0.109 R)
• M6: 2,421,242 km (0.112 R)
• M7: 2,937,205 km (0.113 R)
• M8: 3,406,643 km (0.116 R)
• M9: 3,939,959 km (0.085 R)
• M10: 4,753,173 km (0.066 R)
• M11: 5,767,148 km (0.106 R)
• M12: 6,345,343 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 10.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.8 AU - 2.22 AU

Year: 1967 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,722,408 km

• M1: 139,724 km (0.101 R)
• M2: 633,397 km (0.113 R)
• M3: 981,512 km (0.066 R)
• M4: 1,369,868 km (0.12 R)
• M5: 1,841,251 km (0.056 R)
• M6: 2,704,580 km (0.111 R)
• M7: 3,056,434 km (0.096 R)
• M8: 3,819,084 km (0.118 R)
• M9: 4,376,187 km (0.11 R)
• M10: 5,345,132 km (0.088 R)
• M11: 5,720,772 km (0.064 R)
• M12: 6,750,604 km (0.093 R)
• M13: 7,403,898 km (0.109 R)
• M14: 8,897,483 km (0.067 R)
• M15: 9,586,381 km (0.044 R)
• M16: 10,043,103 km (0.049 R)
• M17: 11,356,274 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.2

Radius: 10.7

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.2 AU - 4.08 AU

Year: 4794 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,722,408 km

• M1: 133,142 km (0.072 R)
• M2: 543,938 km (0.067 R)
• M3: 895,343 km (0.115 R)
• M4: 1,318,705 km (0.031 R)
• M5: 1,653,056 km (0.078 R)
• M6: 2,133,565 km (0.102 R)
• M7: 3,235,353 km (0.115 R)
• M8: 3,765,528 km (0.063 R)
• M9: 4,158,522 km (0.092 R)
• M10: 5,651,658 km (0.098 R)
• M11: 6,618,060 km (0.107 R)
• M12: 8,716,918 km (0.03 R)
• M13: 9,961,124 km (0.063 R)
• M14: 10,854,074 km (0.08 R)
• M15: 11,558,231 km (0.085 R)
• M16: 12,292,457 km (0.102 R)
• M17: 13,692,244 km (0.09 R)
• M18: 18,264,853 km (0.041 R)
• M19: 19,328,643 km (0.117 R)
• M20: 22,391,660 km (0.094 R)
• M21: 23,377,958 km (0.102 R)
• M22: 24,077,628 km (0.102 R)
• M23: 28,134,124 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 12.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.18 AU - 5.94 AU

Year: 7857 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,722,408 km

• M1: 157,078 km (0.043 R)
• M2: 693,087 km (0.115 R)
• M3: 1,380,190 km (0.025 R)
• M4: 1,882,240 km (0.072 R)
• M5: 2,362,300 km (0.103 R)
• M6: 2,811,094 km (0.042 R)
• M7: 4,253,965 km (0.094 R)
• M8: 4,761,850 km (0.045 R)
• M9: 6,764,666 km (0.041 R)
• M10: 7,459,099 km (0.105 R)
• M11: 11,880,614 km (0.057 R)
• M12: 13,818,355 km (0.06 R)
• M13: 15,647,638 km (0.062 R)
• M14: 16,433,326 km (0.078 R)
• M15: 17,355,447 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.9

Radius: 7.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.2 AU - 9.08 AU

Year: 17530 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,722,408 km

• M1: 95,294 km (0.061 R)
• M2: 1,275,172 km (0.096 R)
• M3: 1,971,550 km (0.093 R)
• M4: 3,587,955 km (0.077 R)
• M5: 4,220,156 km (0.116 R)
• M6: 5,319,999 km (0.101 R)
• M7: 5,869,472 km (0.118 R)
• M8: 7,949,032 km (0.111 R)
• M9: 11,390,232 km (0.118 R)
• M10: 14,760,672 km (0.111 R)
• M11: 18,022,205 km (0.066 R)
• M12: 19,933,916 km (0.053 R)
• M13: 21,493,624 km (0.08 R)
• M14: 22,058,206 km (0.086 R)
• M15: 24,155,718 km (0.1 R)
• M16: 28,068,300 km (0.101 R)
• M17: 29,329,560 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.9

Radius: 7.8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.23 AU - 10.31 AU

Year: 17927 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,722,408 km

• M1: 103,971 km (0.047 R)
• M2: 581,188 km (0.1 R)
• M3: 1,482,515 km (0.11 R)
• M4: 2,324,751 km (0.074 R)
• M5: 3,009,610 km (0.062 R)
• M6: 4,538,201 km (0.091 R)
• M7: 4,910,999 km (0.06 R)
• M8: 5,194,786 km (0.041 R)
• M9: 5,489,494 km (0.108 R)
• M10: 5,913,005 km (0.096 R)
• M11: 8,822,834 km (0.082 R)
• M12: 10,181,182 km (0.066 R)
• M13: 11,120,507 km (0.118 R)
• M14: 13,859,644 km (0.113 R)
• M15: 14,213,144 km (0.095 R)
• M16: 16,383,211 km (0.103 R)
• M17: 16,778,448 km (0.075 R)
• M18: 18,593,819 km (0.063 R)
• M19: 19,904,146 km (0.075 R)
• M20: 21,650,851 km (0.068 R)
• M21: 25,236,413 km (0.084 R)
• M22: 26,083,735 km (0.115 R)
• M23: 28,739,397 km (0.103 R)
• M24: 33,053,051 km (0.041 R)
• M25: 36,423,940 km (0.056 R)
• M26: 37,369,249 km (0.095 R)
• M27: 41,606,309 km (0.1 R)
• M28: 43,688,861 km (0.079 R)
• M29: 45,063,666 km (0.119 R)
• M30: 47,418,785 km (0.119 R)
• M31: 47,899,593 km (0.099 R)
• M32: 54,272,761 km (0.099 R)
• M33: 56,397,051 km (0.103 R)
• M34: 62,908,597 km (0.118 R)
• M35: 63,877,992 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.3

Radius: 4.1

Gravity: 39.52 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.14 AU - 11.08 AU

Year: 20563 Days

Day: 19.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,722,408 km

• M1: 51,013 km (0.113 R)
• M2: 239,656 km (0.112 R)
• M3: 505,641 km (0.112 R)
• M4: 692,339 km (0.034 R)
• M5: 901,178 km (0.095 R)
• M6: 1,084,585 km (0.089 R)
• M7: 1,307,336 km (0.068 R)
• M8: 1,510,340 km (0.039 R)
• M9: 2,707,273 km (0.1 R)
• M10: 3,718,405 km (0.086 R)
• M11: 6,671,616 km (0.091 R)
• M12: 8,372,245 km (0.118 R)
• M13: 10,161,884 km (0.065 R)
• M14: 11,923,848 km (0.09 R)
• M15: 12,599,581 km (0.085 R)
• M16: 13,660,530 km (0.058 R)
• M17: 15,087,992 km (0.066 R)
• M18: 15,400,802 km (0.068 R)
• M19: 24,265,523 km (0.106 R)
• M20: 27,261,220 km (0.113 R)
• M21: 27,841,809 km (0.07 R)
• M22: 28,907,545 km (0.05 R)
• M23: 31,626,635 km (0.095 R)
• M24: 36,716,105 km (0.095 R)
• M25: 41,403,903 km (0.071 R)
• M26: 41,709,532 km (0.1 R)
• M27: 44,848,394 km (0.105 R)
• M28: 49,159,356 km (0.085 R)
• M29: 53,557,234 km (0.089 R)
• M30: 62,521,438 km (0.089 R)
• M31: 63,936,484 km (0.066 R)
• M32: 71,772,570 km (0.075 R)
• M33: 72,213,585 km (0.094 R)
• M34: 73,100,700 km (0.077 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: 339 - 19,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit