🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 13.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.7 AU - 0.92 AU

Year: 486 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,441,957 km

• M1: 166,652 km (0.103 R)
• M2: 656,435 km (0.044 R)
• M3: 1,238,371 km (0.106 R)
• M4: 1,725,312 km (0.109 R)
• M5: 2,184,877 km (0.09 R)
• M6: 3,079,323 km (0.064 R)
• M7: 3,521,833 km (0.115 R)
• M8: 3,968,084 km (0.113 R)
• M9: 5,021,253 km (0.102 R)
• M10: 5,605,731 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 9.9

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.87 AU - 1.07 AU

Year: 637 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,441,957 km

• M1: 123,119 km (0.099 R)
• M2: 663,467 km (0.036 R)
• M3: 987,496 km (0.032 R)
• M4: 1,413,401 km (0.096 R)
• M5: 1,749,547 km (0.056 R)
• M6: 2,120,101 km (0.051 R)
• M7: 2,643,245 km (0.062 R)
• M8: 2,960,392 km (0.119 R)
• M9: 4,285,829 km (0.11 R)
• M10: 4,625,716 km (0.108 R)
• M11: 6,069,934 km (0.109 R)
• M12: 7,127,142 km (0.109 R)
• M13: 7,513,254 km (0.116 R)
• M14: 7,961,299 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.8

Radius: 14.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.28 AU - 2.46 AU

Year: 2433 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,441,957 km

• M1: 180,265 km (0.045 R)
• M2: 748,139 km (0.116 R)
• M3: 1,426,266 km (0.076 R)
• M4: 2,664,936 km (0.08 R)
• M5: 3,186,883 km (0.118 R)
• M6: 3,927,542 km (0.106 R)
• M7: 4,421,963 km (0.057 R)
• M8: 4,918,180 km (0.047 R)
• M9: 5,755,030 km (0.073 R)
• M10: 6,563,457 km (0.108 R)
• M11: 8,152,635 km (0.082 R)
• M12: 10,710,460 km (0.089 R)
• M13: 11,399,208 km (0.109 R)
• M14: 12,942,011 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.9

Radius: 9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.18 AU - 3.52 AU

Year: 4089 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,441,957 km

• M1: 115,639 km (0.119 R)
• M2: 477,367 km (0.105 R)
• M3: 770,429 km (0.111 R)
• M4: 1,447,659 km (0.093 R)
• M5: 2,209,261 km (0.038 R)
• M6: 2,709,517 km (0.04 R)
• M7: 3,182,695 km (0.066 R)
• M8: 3,860,223 km (0.065 R)
• M9: 5,427,860 km (0.064 R)
• M10: 6,287,000 km (0.064 R)
• M11: 7,711,321 km (0.099 R)
• M12: 8,020,241 km (0.031 R)
• M13: 9,167,058 km (0.118 R)
• M14: 11,742,386 km (0.118 R)
• M15: 12,784,036 km (0.107 R)
• M16: 13,130,056 km (0.102 R)
• M17: 14,205,515 km (0.04 R)
• M18: 15,145,887 km (0.094 R)
• M19: 16,027,168 km (0.033 R)
• M20: 17,999,317 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.4

Radius: 10.5

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.18 AU - 5.06 AU

Year: 6622 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,441,957 km

• M1: 130,599 km (0.119 R)
• M2: 832,811 km (0.116 R)
• M3: 1,221,766 km (0.112 R)
• M4: 2,313,381 km (0.057 R)
• M5: 2,717,146 km (0.11 R)
• M6: 3,232,960 km (0.104 R)
• M7: 4,064,425 km (0.089 R)
• M8: 4,684,358 km (0.026 R)
• M9: 5,523,153 km (0.098 R)
• M10: 5,912,108 km (0.099 R)
• M11: 6,817,923 km (0.117 R)
• M12: 7,227,971 km (0.053 R)
• M13: 8,947,598 km (0.108 R)
• M14: 9,950,054 km (0.04 R)
• M15: 10,527,501 km (0.092 R)
• M16: 11,076,376 km (0.06 R)
• M17: 12,449,684 km (0.093 R)
• M18: 13,874,305 km (0.052 R)
• M19: 14,965,173 km (0.044 R)
• M20: 16,243,337 km (0.056 R)
• M21: 18,581,103 km (0.056 R)
• M22: 19,088,838 km (0.108 R)
• M23: 19,905,493 km (0.096 R)
• M24: 22,659,290 km (0.094 R)
• M25: 23,490,456 km (0.09 R)
• M26: 24,084,360 km (0.079 R)
• M27: 24,862,568 km (0.115 R)
• M28: 30,086,376 km (0.105 R)
• M29: 30,686,263 km (0.116 R)
• M30: 32,116,718 km (0.062 R)
• M31: 34,128,510 km (0.109 R)
• M32: 35,220,425 km (0.107 R)
• M33: 37,704,348 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.9

Radius: 3.5

Gravity: 70.52 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.03 AU - 7.67 AU

Year: 11955 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,441,957 km

• M1: 43,533 km (0.109 R)
• M2: 217,515 km (0.11 R)
• M3: 340,186 km (0.109 R)
• M4: 1,044,642 km (0.097 R)
• M5: 1,336,956 km (0.111 R)
• M6: 1,697,487 km (0.104 R)
• M7: 2,063,104 km (0.117 R)
• M8: 2,196,097 km (0.079 R)
• M9: 2,479,136 km (0.045 R)
• M10: 2,808,850 km (0.112 R)
• M11: 2,948,574 km (0.06 R)
• M12: 3,973,469 km (0.115 R)
• M13: 4,678,225 km (0.081 R)
• M14: 4,941,666 km (0.025 R)
• M15: 5,145,718 km (0.081 R)
• M16: 6,985,921 km (0.101 R)
• M17: 9,070,268 km (0.116 R)
• M18: 9,479,718 km (0.065 R)
• M19: 11,894,228 km (0.105 R)
• M20: 12,199,108 km (0.083 R)
• M21: 13,016,212 km (0.079 R)
• M22: 13,936,238 km (0.112 R)
• M23: 14,758,578 km (0.085 R)
• M24: 15,324,507 km (0.111 R)
• M25: 15,612,782 km (0.058 R)
• M26: 19,360,059 km (0.118 R)
• M27: 21,440,367 km (0.102 R)
• M28: 21,620,183 km (0.117 R)
• M29: 22,720,177 km (0.094 R)
• M30: 23,760,779 km (0.103 R)
• M31: 24,147,041 km (0.098 R)
• M32: 25,834,954 km (0.061 R)
• M33: 27,072,727 km (0.108 R)
• M34: 27,493,994 km (0.056 R)
• M35: 30,679,531 km (0.058 R)
• M36: 31,137,301 km (0.042 R)
• M37: 38,164,960 km (0.052 R)
• M38: 40,723,532 km (0.105 R)
• M39: 41,554,698 km (0.061 R)
• M40: 48,151,665 km (0.104 R)
• M41: 50,338,188 km (0.09 R)
• M42: 50,496,761 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.5

Radius: 6.1

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.7 AU - 8.98 AU

Year: 13261 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,441,957 km

• M1: 76,145 km (0.06 R)
• M2: 346,020 km (0.096 R)
• M3: 565,779 km (0.061 R)
• M4: 764,146 km (0.106 R)
• M5: 1,377,497 km (0.079 R)
• M6: 2,197,742 km (0.042 R)
• M7: 2,547,203 km (0.104 R)
• M8: 3,279,634 km (0.085 R)
• M9: 4,390,099 km (0.08 R)
• M10: 4,945,107 km (0.096 R)
• M11: 7,777,294 km (0.041 R)
• M12: 10,044,450 km (0.114 R)
• M13: 10,432,806 km (0.063 R)
• M14: 10,831,035 km (0.088 R)
• M15: 11,840,671 km (0.061 R)
• M16: 12,087,059 km (0.086 R)
• M17: 15,027,705 km (0.119 R)
• M18: 18,249,145 km (0.06 R)
• M19: 20,813,253 km (0.096 R)
• M20: 22,839,556 km (0.05 R)
• M21: 23,510,951 km (0.112 R)
• M22: 24,592,394 km (0.069 R)
• M23: 26,432,897 km (0.103 R)
• M24: 32,143,047 km (0.031 R)
• M25: 33,719,809 km (0.112 R)
• M26: 34,967,305 km (0.09 R)
• M27: 39,302,203 km (0.095 R)
• M28: 45,020,282 km (0.102 R)
• M29: 45,771,862 km (0.066 R)
• M30: 46,991,683 km (0.108 R)
• M31: 54,429,240 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500

Radius: 7.3

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.06 AU - 11.2 AU

Year: 23112 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,441,957 km

• M1: 94,247 km (0.091 R)
• M2: 711,787 km (0.1 R)
• M3: 1,007,542 km (0.112 R)
• M4: 1,296,565 km (0.06 R)
• M5: 1,986,211 km (0.116 R)
• M6: 3,785,125 km (0.075 R)
• M7: 4,291,065 km (0.097 R)
• M8: 5,957,137 km (0.104 R)
• M9: 6,465,770 km (0.08 R)
• M10: 8,687,148 km (0.073 R)
• M11: 10,323,300 km (0.047 R)
• M12: 10,685,776 km (0.108 R)
• M13: 11,119,460 km (0.098 R)
• M14: 11,824,515 km (0.08 R)
• M15: 15,253,747 km (0.094 R)
• M16: 16,285,374 km (0.108 R)
• M17: 16,529,966 km (0.117 R)
• M18: 23,264,862 km (0.092 R)
• M19: 24,416,317 km (0.098 R)
• M20: 25,060,187 km (0.062 R)
• M21: 30,377,942 km (0.116 R)
• M22: 34,625,325 km (0.086 R)
• M23: 36,401,799 km (0.097 R)
• M24: 36,960,398 km (0.096 R)
• M25: 38,238,113 km (0.112 R)
• M26: 39,252,237 km (0.06 R)
• M27: 42,247,935 km (0.082 R)
• M28: 46,529,276 km (0.095 R)
• M29: 46,857,494 km (0.115 R)
• M30: 58,957,418 km (0.117 R)
• M31: 60,895,758 km (0.07 R)
• M32: 65,926,884 km (0.117 R)
• M33: 71,445,849 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 20,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit