🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 13

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.9 AU - 0.92 AU

Year: 552 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,250,378 km

• M1: 161,715 km (0.119 R)
• M2: 578,345 km (0.044 R)
• M3: 1,420,282 km (0.059 R)
• M4: 2,051,884 km (0.094 R)
• M5: 2,531,196 km (0.092 R)
• M6: 3,026,515 km (0.118 R)
• M7: 3,573,145 km (0.053 R)
• M8: 4,199,960 km (0.103 R)
• M9: 5,268,687 km (0.091 R)
• M10: 5,802,752 km (0.064 R)
• M11: 6,773,492 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 14.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.77 AU - 1.21 AU

Year: 626 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 77.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,250,378 km

• M1: 182,809 km (0.117 R)
• M2: 686,355 km (0.09 R)
• M3: 1,985,014 km (0.054 R)
• M4: 2,455,948 km (0.067 R)
• M5: 3,034,144 km (0.076 R)
• M6: 3,862,916 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.1

Radius: 9.4

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.41 AU - 1.45 AU

Year: 1087 Days

Day: 10.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,250,378 km

• M1: 120,576 km (0.112 R)
• M2: 414,386 km (0.079 R)
• M3: 713,582 km (0.112 R)
• M4: 1,131,259 km (0.028 R)
• M5: 1,455,438 km (0.026 R)
• M6: 2,034,681 km (0.099 R)
• M7: 2,786,560 km (0.052 R)
• M8: 3,183,592 km (0.09 R)
• M9: 3,681,304 km (0.033 R)
• M10: 4,967,248 km (0.063 R)
• M11: 5,574,615 km (0.097 R)
• M12: 5,896,400 km (0.119 R)
• M13: 6,298,968 km (0.045 R)
• M14: 7,540,032 km (0.11 R)
• M15: 8,095,938 km (0.1 R)
• M16: 8,593,949 km (0.047 R)
• M17: 9,112,156 km (0.073 R)
• M18: 9,804,644 km (0.067 R)
• M19: 10,596,616 km (0.046 R)
• M20: 11,091,785 km (0.068 R)
• M21: 11,499,140 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 10.6

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.15 AU - 1.73 AU

Year: 1099 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,250,378 km

• M1: 131,796 km (0.084 R)
• M2: 780,003 km (0.097 R)
• M3: 1,280,558 km (0.115 R)
• M4: 1,724,415 km (0.097 R)
• M5: 2,248,306 km (0.116 R)
• M6: 2,699,494 km (0.032 R)
• M7: 3,438,806 km (0.032 R)
• M8: 3,960,155 km (0.086 R)
• M9: 4,533,414 km (0.116 R)
• M10: 5,659,437 km (0.052 R)
• M11: 6,037,620 km (0.039 R)
• M12: 6,590,833 km (0.027 R)
• M13: 7,722,691 km (0.059 R)
• M14: 8,455,870 km (0.114 R)
• M15: 8,811,763 km (0.101 R)
• M16: 9,760,513 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 11.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.16 AU - 2.42 AU

Year: 2203 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,250,378 km

• M1: 141,520 km (0.072 R)
• M2: 568,173 km (0.105 R)
• M3: 999,613 km (0.083 R)
• M4: 1,484,759 km (0.11 R)
• M5: 1,889,122 km (0.057 R)
• M6: 2,394,015 km (0.103 R)
• M7: 2,972,061 km (0.117 R)
• M8: 3,328,553 km (0.075 R)
• M9: 3,805,321 km (0.092 R)
• M10: 5,074,809 km (0.066 R)
• M11: 6,662,192 km (0.07 R)
• M12: 7,077,924 km (0.116 R)
• M13: 7,869,895 km (0.089 R)
• M14: 11,878,520 km (0.104 R)
• M15: 13,340,839 km (0.06 R)
• M16: 16,022,979 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 9.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.97 AU - 3.03 AU

Year: 3304 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,250,378 km

• M1: 114,442 km (0.1 R)
• M2: 413,040 km (0.111 R)
• M3: 946,506 km (0.111 R)
• M4: 1,293,573 km (0.085 R)
• M5: 1,862,793 km (0.077 R)
• M6: 2,252,346 km (0.092 R)
• M7: 2,772,647 km (0.115 R)
• M8: 3,424,894 km (0.089 R)
• M9: 3,993,366 km (0.066 R)
• M10: 4,623,621 km (0.074 R)
• M11: 5,342,888 km (0.082 R)
• M12: 6,242,420 km (0.035 R)
• M13: 10,250,297 km (0.108 R)
• M14: 10,633,566 km (0.039 R)
• M15: 11,066,353 km (0.102 R)
• M16: 11,675,515 km (0.1 R)
• M17: 12,009,418 km (0.1 R)
• M18: 12,478,856 km (0.068 R)
• M19: 17,379,533 km (0.067 R)
• M20: 18,936,248 km (0.108 R)
• M21: 19,281,670 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 11.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.27 AU - 6.23 AU

Year: 7648 Days

Day: 11.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,250,378 km

• M1: 141,819 km (0.106 R)
• M2: 699,370 km (0.073 R)
• M3: 1,114,803 km (0.115 R)
• M4: 1,475,185 km (0.069 R)
• M5: 2,261,920 km (0.105 R)
• M6: 3,267,816 km (0.049 R)
• M7: 3,723,042 km (0.093 R)
• M8: 4,842,932 km (0.106 R)
• M9: 7,048,453 km (0.069 R)
• M10: 7,551,850 km (0.111 R)
• M11: 8,234,166 km (0.105 R)
• M12: 11,141,152 km (0.088 R)
• M13: 12,485,588 km (0.095 R)
• M14: 13,063,185 km (0.115 R)
• M15: 17,102,627 km (0.073 R)
• M16: 18,079,651 km (0.09 R)
• M17: 21,681,070 km (0.073 R)
• M18: 22,902,836 km (0.05 R)
• M19: 23,451,561 km (0.058 R)
• M20: 26,157,636 km (0.109 R)
• M21: 29,065,221 km (0.12 R)
• M22: 30,080,541 km (0.086 R)
• M23: 30,455,583 km (0.09 R)
• M24: 33,168,690 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.7

Radius: 5.2

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.74 AU - 7.74 AU

Year: 9911 Days

Day: 24 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,250,378 km

• M1: 64,626 km (0.093 R)
• M2: 428,299 km (0.095 R)
• M3: 704,456 km (0.069 R)
• M4: 933,341 km (0.037 R)
• M5: 1,128,118 km (0.04 R)
• M6: 1,691,354 km (0.037 R)
• M7: 1,932,505 km (0.11 R)
• M8: 2,141,793 km (0.097 R)
• M9: 2,504,268 km (0.031 R)
• M10: 3,301,924 km (0.075 R)
• M11: 4,228,234 km (0.105 R)
• M12: 5,117,743 km (0.085 R)
• M13: 5,417,537 km (0.12 R)
• M14: 6,893,619 km (0.092 R)
• M15: 7,259,386 km (0.115 R)
• M16: 7,510,412 km (0.104 R)
• M17: 10,719,735 km (0.054 R)
• M18: 11,265,916 km (0.049 R)
• M19: 12,712,677 km (0.086 R)
• M20: 16,465,789 km (0.078 R)
• M21: 16,681,509 km (0.087 R)
• M22: 17,489,038 km (0.113 R)
• M23: 18,016,221 km (0.074 R)
• M24: 19,340,611 km (0.098 R)
• M25: 21,661,323 km (0.074 R)
• M26: 23,792,943 km (0.09 R)
• M27: 24,814,996 km (0.065 R)
• M28: 25,289,071 km (0.077 R)
• M29: 28,882,861 km (0.096 R)
• M30: 31,019,268 km (0.118 R)
• M31: 33,488,531 km (0.098 R)
• M32: 36,085,699 km (0.106 R)
• M33: 38,687,206 km (0.075 R)
• M34: 39,581,353 km (0.057 R)
• M35: 40,489,262 km (0.082 R)
• M36: 41,810,211 km (0.109 R)
• M37: 43,983,120 km (0.113 R)
• M38: 45,945,246 km (0.11 R)
• M39: 47,381,834 km (0.041 R)
• M40: 48,258,029 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563

Radius: 3.2

Gravity: 54.98 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.7 AU - 13.46 AU

Year: 23450 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,250,378 km

• M1: 43,832 km (0.103 R)
• M2: 276,307 km (0.072 R)
• M3: 1,760,019 km (0.097 R)
• M4: 1,931,907 km (0.082 R)
• M5: 2,221,528 km (0.112 R)
• M6: 2,912,371 km (0.115 R)
• M7: 4,811,217 km (0.111 R)
• M8: 5,499,068 km (0.109 R)
• M9: 8,263,637 km (0.111 R)
• M10: 10,796,329 km (0.119 R)
• M11: 11,241,831 km (0.036 R)
• M12: 11,699,451 km (0.089 R)
• M13: 11,832,444 km (0.088 R)
• M14: 12,933,035 km (0.029 R)
• M15: 14,709,061 km (0.109 R)
• M16: 19,009,401 km (0.088 R)
• M17: 20,707,188 km (0.112 R)
• M18: 27,209,010 km (0.093 R)
• M19: 36,484,527 km (0.083 R)
• M20: 36,768,613 km (0.114 R)
• M21: 37,919,171 km (0.107 R)
• M22: 40,747,917 km (0.115 R)
• M23: 44,841,962 km (0.119 R)
• M24: 53,835,786 km (0.111 R)
• M25: 57,976,954 km (0.084 R)
• M26: 70,999,897 km (0.118 R)
• M27: 76,201,116 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 13,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit