🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 11.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 7.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 130.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,602,444 km

• M1: 139,276 km (0.103 R)
• M2: 504,145 km (0.084 R)
• M3: 948,002 km (0.098 R)
• M4: 1,423,424 km (0.087 R)
• M5: 2,150,320 km (0.114 R)
• M6: 2,549,297 km (0.084 R)
• M7: 3,089,346 km (0.057 R)
• M8: 3,589,152 km (0.088 R)
• M9: 4,479,858 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 10.4

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.71 AU - 0.97 AU

Year: 522 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,602,444 km

• M1: 129,402 km (0.105 R)
• M2: 506,838 km (0.112 R)
• M3: 1,158,037 km (0.105 R)
• M4: 2,210,907 km (0.067 R)
• M5: 3,334,836 km (0.107 R)
• M6: 3,729,176 km (0.066 R)
• M7: 4,066,818 km (0.101 R)
• M8: 4,836,948 km (0.042 R)
• M9: 5,274,223 km (0.059 R)
• M10: 5,719,575 km (0.047 R)
• M11: 6,189,911 km (0.118 R)
• M12: 7,038,281 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.8

Radius: 10.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.68 AU - 2.12 AU

Year: 1776 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,602,444 km

• M1: 128,654 km (0.117 R)
• M2: 552,465 km (0.038 R)
• M3: 933,042 km (0.092 R)
• M4: 1,531,882 km (0.07 R)
• M5: 1,881,343 km (0.099 R)
• M6: 2,450,264 km (0.078 R)
• M7: 3,239,542 km (0.066 R)
• M8: 3,611,442 km (0.096 R)
• M9: 4,356,739 km (0.11 R)
• M10: 5,414,097 km (0.058 R)
• M11: 6,478,186 km (0.049 R)
• M12: 8,314,799 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.16 AU - 2.7 AU

Year: 2569 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,602,444 km

• M1: 101,577 km (0.084 R)
• M2: 466,147 km (0.099 R)
• M3: 990,637 km (0.087 R)
• M4: 1,595,312 km (0.115 R)
• M5: 2,203,876 km (0.048 R)
• M6: 2,758,884 km (0.114 R)
• M7: 3,339,623 km (0.106 R)
• M8: 4,218,959 km (0.069 R)
• M9: 5,944,421 km (0.083 R)
• M10: 6,628,532 km (0.083 R)
• M11: 6,989,661 km (0.105 R)
• M12: 8,507,481 km (0.06 R)
• M13: 10,576,869 km (0.108 R)
• M14: 11,877,622 km (0.106 R)
• M15: 13,526,191 km (0.089 R)
• M16: 14,023,903 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.76 AU - 3.78 AU

Year: 4011 Days

Day: 14.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,602,444 km

• M1: 169,644 km (0.068 R)
• M2: 668,403 km (0.093 R)
• M3: 1,115,701 km (0.051 R)
• M4: 2,170,516 km (0.106 R)
• M5: 2,926,434 km (0.1 R)
• M6: 3,831,201 km (0.042 R)
• M7: 4,282,389 km (0.072 R)
• M8: 5,423,072 km (0.027 R)
• M9: 6,338,761 km (0.092 R)
• M10: 7,290,503 km (0.061 R)
• M11: 7,750,666 km (0.071 R)
• M12: 9,477,773 km (0.092 R)
• M13: 10,187,615 km (0.088 R)
• M14: 12,300,535 km (0.102 R)
• M15: 13,290,125 km (0.068 R)
• M16: 14,691,408 km (0.106 R)
• M17: 15,642,851 km (0.115 R)
• M18: 18,022,654 km (0.075 R)
• M19: 18,623,140 km (0.097 R)
• M20: 20,569,857 km (0.102 R)
• M21: 21,693,187 km (0.09 R)
• M22: 22,372,810 km (0.08 R)
• M23: 23,632,125 km (0.093 R)
• M24: 24,279,136 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.6

Radius: 12

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.32 AU - 4.84 AU

Year: 5590 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,602,444 km

• M1: 149,299 km (0.081 R)
• M2: 640,877 km (0.063 R)
• M3: 1,091,167 km (0.117 R)
• M4: 1,902,287 km (0.1 R)
• M5: 2,540,920 km (0.109 R)
• M6: 3,023,971 km (0.075 R)
• M7: 4,082,077 km (0.112 R)
• M8: 5,260,310 km (0.058 R)
• M9: 6,019,968 km (0.078 R)
• M10: 6,394,561 km (0.07 R)
• M11: 7,364,853 km (0.096 R)
• M12: 7,794,199 km (0.051 R)
• M13: 9,102,133 km (0.03 R)
• M14: 10,822,209 km (0.118 R)
• M15: 11,378,115 km (0.038 R)
• M16: 13,109,261 km (0.12 R)
• M17: 15,180,594 km (0.028 R)
• M18: 17,587,773 km (0.063 R)
• M19: 19,215,547 km (0.033 R)
• M20: 23,605,497 km (0.12 R)
• M21: 24,305,166 km (0.037 R)
• M22: 28,709,926 km (0.054 R)
• M23: 29,328,962 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 12.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.49 AU - 4.65 AU

Year: 6626 Days

Day: 8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 32,602,444 km

• M1: 187,297 km (0.085 R)
• M2: 596,297 km (0.099 R)
• M3: 1,138,141 km (0.047 R)
• M4: 1,602,193 km (0.102 R)
• M5: 2,515,189 km (0.084 R)
• M6: 3,277,839 km (0.114 R)
• M7: 3,940,857 km (0.096 R)
• M8: 4,972,035 km (0.101 R)
• M9: 6,109,278 km (0.106 R)
• M10: 6,513,192 km (0.059 R)
• M11: 7,912,531 km (0.097 R)
• M12: 8,809,370 km (0.114 R)
• M13: 9,282,697 km (0.12 R)
• M14: 10,564,602 km (0.095 R)
• M15: 11,148,931 km (0.107 R)
• M16: 12,867,511 km (0.098 R)
• M17: 13,477,871 km (0.083 R)
• M18: 13,876,250 km (0.053 R)
• M19: 16,955,273 km (0.108 R)
• M20: 18,584,095 km (0.035 R)
• M21: 20,019,187 km (0.036 R)
• M22: 23,028,049 km (0.083 R)
• M23: 23,516,336 km (0.049 R)
• M24: 24,345,557 km (0.073 R)
• M25: 24,937,516 km (0.084 R)
• M26: 29,069,409 km (0.115 R)
• M27: 30,315,111 km (0.081 R)
• M28: 32,098,168 km (0.108 R)
• M29: 33,845,621 km (0.114 R)
• M30: 35,331,576 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.9

Radius: 4.5

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.98 AU - 6.7 AU

Year: 9572 Days

Day: 18.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,602,444 km

• M1: 57,146 km (0.114 R)
• M2: 280,646 km (0.071 R)
• M3: 909,555 km (0.061 R)
• M4: 1,265,598 km (0.109 R)
• M5: 1,419,684 km (0.101 R)
• M6: 1,640,041 km (0.045 R)
• M7: 2,199,238 km (0.107 R)
• M8: 2,605,546 km (0.086 R)
• M9: 3,102,361 km (0.074 R)
• M10: 3,543,226 km (0.117 R)
• M11: 3,802,778 km (0.109 R)
• M12: 4,413,436 km (0.052 R)
• M13: 4,798,501 km (0.114 R)
• M14: 4,941,367 km (0.096 R)
• M15: 6,055,273 km (0.04 R)
• M16: 7,177,556 km (0.085 R)
• M17: 10,009,294 km (0.089 R)
• M18: 10,242,817 km (0.1 R)
• M19: 10,480,228 km (0.096 R)
• M20: 11,516,942 km (0.096 R)
• M21: 12,244,885 km (0.118 R)
• M22: 12,512,216 km (0.119 R)
• M23: 13,337,548 km (0.098 R)
• M24: 14,732,398 km (0.081 R)
• M25: 18,359,698 km (0.09 R)
• M26: 18,569,284 km (0.081 R)
• M27: 19,423,638 km (0.101 R)
• M28: 19,568,449 km (0.12 R)
• M29: 22,700,280 km (0.083 R)
• M30: 24,258,641 km (0.078 R)
• M31: 24,765,180 km (0.05 R)
• M32: 25,712,134 km (0.106 R)
• M33: 26,504,554 km (0.076 R)
• M34: 27,769,554 km (0.096 R)
• M35: 32,615,777 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.2

Radius: 6.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.5 AU - 7.46 AU

Year: 11188 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,602,444 km

• M1: 103,223 km (0.108 R)
• M2: 384,467 km (0.102 R)
• M3: 641,775 km (0.037 R)
• M4: 1,006,046 km (0.096 R)
• M5: 1,262,606 km (0.106 R)
• M6: 1,811,929 km (0.06 R)
• M7: 2,562,163 km (0.116 R)
• M8: 3,568,508 km (0.114 R)
• M9: 4,003,688 km (0.086 R)
• M10: 5,062,990 km (0.035 R)
• M11: 5,289,781 km (0.094 R)
• M12: 5,672,751 km (0.065 R)
• M13: 12,019,890 km (0.035 R)
• M14: 12,630,099 km (0.085 R)
• M15: 14,023,005 km (0.084 R)
• M16: 15,103,551 km (0.095 R)
• M17: 18,276,970 km (0.045 R)
• M18: 18,543,254 km (0.105 R)
• M19: 24,750,669 km (0.068 R)
• M20: 28,318,129 km (0.109 R)
• M21: 30,783,801 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 13,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit