🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 14.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.51 AU - 0.57 AU

Year: 274 Days

Day: 10.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,897,362 km

• M1: 175,329 km (0.116 R)
• M2: 679,174 km (0.04 R)
• M3: 1,256,323 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 11.3

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.24 AU - 1.46 AU

Year: 1083 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,897,362 km

• M1: 141,370 km (0.058 R)
• M2: 636,838 km (0.111 R)
• M3: 1,022,651 km (0.096 R)
• M4: 3,029,656 km (0.054 R)
• M5: 3,486,528 km (0.075 R)
• M6: 4,807,776 km (0.094 R)
• M7: 5,212,139 km (0.112 R)
• M8: 7,870,643 km (0.077 R)
• M9: 8,259,897 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.9

Radius: 14.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.26 AU - 1.72 AU

Year: 1255 Days

Day: 6.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,897,362 km

• M1: 188,643 km (0.101 R)
• M2: 771,775 km (0.111 R)
• M3: 1,477,578 km (0.106 R)
• M4: 2,028,996 km (0.059 R)
• M5: 2,634,568 km (0.057 R)
• M6: 3,502,834 km (0.117 R)
• M7: 4,840,389 km (0.108 R)
• M8: 5,387,917 km (0.118 R)
• M9: 6,254,537 km (0.073 R)
• M10: 6,882,699 km (0.028 R)
• M11: 7,602,265 km (0.091 R)
• M12: 9,220,614 km (0.066 R)
• M13: 10,096,360 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.29 AU - 4.87 AU

Year: 6766 Days

Day: 13.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,897,362 km

• M1: 111,899 km (0.116 R)
• M2: 392,545 km (0.029 R)
• M3: 758,611 km (0.098 R)
• M4: 1,451,099 km (0.082 R)
• M5: 1,799,513 km (0.093 R)
• M6: 2,129,675 km (0.108 R)
• M7: 3,156,665 km (0.089 R)
• M8: 5,340,195 km (0.074 R)
• M9: 5,851,222 km (0.103 R)
• M10: 6,332,627 km (0.105 R)
• M11: 7,687,386 km (0.046 R)
• M12: 9,067,277 km (0.114 R)
• M13: 11,321,567 km (0.055 R)
• M14: 12,117,577 km (0.078 R)
• M15: 15,115,219 km (0.106 R)
• M16: 16,137,870 km (0.093 R)
• M17: 17,819,201 km (0.065 R)
• M18: 18,766,454 km (0.118 R)
• M19: 20,968,236 km (0.107 R)
• M20: 21,880,933 km (0.114 R)
• M21: 22,819,958 km (0.073 R)
• M22: 27,256,433 km (0.043 R)
• M23: 28,089,992 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.7

Radius: 7.7

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.56 AU - 8.22 AU

Year: 13867 Days

Day: 18.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,897,362 km

• M1: 108,159 km (0.096 R)
• M2: 1,629,121 km (0.081 R)
• M3: 2,693,360 km (0.103 R)
• M4: 3,000,185 km (0.103 R)
• M5: 3,616,229 km (0.086 R)
• M6: 4,014,758 km (0.073 R)
• M7: 4,872,253 km (0.104 R)
• M8: 6,632,721 km (0.087 R)
• M9: 9,370,960 km (0.101 R)
• M10: 10,445,372 km (0.102 R)
• M11: 14,330,878 km (0.119 R)
• M12: 18,876,559 km (0.107 R)
• M13: 19,223,925 km (0.104 R)
• M14: 26,748,997 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.6

Radius: 6.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.11 AU - 9.65 AU

Year: 16745 Days

Day: 21.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,897,362 km

• M1: 118,482 km (0.07 R)
• M2: 551,717 km (0.09 R)
• M3: 1,330,374 km (0.075 R)
• M4: 3,016,192 km (0.077 R)
• M5: 4,662,966 km (0.109 R)
• M6: 5,189,550 km (0.103 R)
• M7: 5,663,177 km (0.097 R)
• M8: 5,879,196 km (0.115 R)
• M9: 7,549,905 km (0.095 R)
• M10: 7,926,144 km (0.117 R)
• M11: 10,360,101 km (0.076 R)
• M12: 12,406,301 km (0.074 R)
• M13: 14,881,996 km (0.081 R)
• M14: 15,473,805 km (0.056 R)
• M15: 17,998,569 km (0.083 R)
• M16: 21,599,689 km (0.103 R)
• M17: 24,494,108 km (0.096 R)
• M18: 29,535,556 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.2

Radius: 3

Gravity: 58.69 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.69 AU - 10.67 AU

Year: 19199 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 67,897,362 km

• M1: 40,990 km (0.093 R)
• M2: 186,399 km (0.064 R)
• M3: 353,350 km (0.032 R)
• M4: 510,129 km (0.102 R)
• M5: 750,084 km (0.118 R)
• M6: 863,030 km (0.088 R)
• M7: 1,526,945 km (0.118 R)
• M8: 2,058,915 km (0.09 R)
• M9: 2,799,724 km (0.108 R)
• M10: 4,445,750 km (0.1 R)
• M11: 5,137,041 km (0.097 R)
• M12: 6,179,888 km (0.054 R)
• M13: 6,556,725 km (0.044 R)
• M14: 7,309,950 km (0.119 R)
• M15: 10,254,934 km (0.114 R)
• M16: 10,841,956 km (0.108 R)
• M17: 11,701,097 km (0.057 R)
• M18: 15,899,262 km (0.104 R)
• M19: 16,210,276 km (0.051 R)
• M20: 20,630,444 km (0.105 R)
• M21: 20,814,898 km (0.084 R)
• M22: 21,658,331 km (0.116 R)
• M23: 25,471,581 km (0.059 R)
• M24: 25,683,860 km (0.079 R)
• M25: 26,004,448 km (0.103 R)
• M26: 26,653,553 km (0.078 R)
• M27: 29,010,617 km (0.074 R)
• M28: 31,870,330 km (0.11 R)
• M29: 34,781,655 km (0.069 R)
• M30: 41,272,108 km (0.089 R)
• M31: 43,653,407 km (0.096 R)
• M32: 43,957,390 km (0.076 R)
• M33: 44,109,830 km (0.103 R)
• M34: 45,342,516 km (0.072 R)
• M35: 49,342,614 km (0.105 R)
• M36: 51,006,292 km (0.069 R)
• M37: 51,851,968 km (0.109 R)
• M38: 53,745,429 km (0.113 R)
• M39: 54,973,926 km (0.103 R)
• M40: 62,740,749 km (0.076 R)
• M41: 62,934,029 km (0.117 R)
• M42: 63,711,340 km (0.116 R)
• M43: 66,683,251 km (0.038 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 18,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit