🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 13.1

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.82 AU - 1.3 AU

Year: 753 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,719,881 km

• M1: 164,109 km (0.066 R)
• M2: 582,534 km (0.115 R)
• M3: 1,204,861 km (0.042 R)
• M4: 2,014,635 km (0.102 R)
• M5: 2,493,946 km (0.106 R)
• M6: 3,175,215 km (0.095 R)
• M7: 3,844,964 km (0.085 R)
• M8: 4,476,118 km (0.092 R)
• M9: 5,561,600 km (0.063 R)
• M10: 6,288,945 km (0.097 R)
• M11: 6,990,110 km (0.083 R)
• M12: 8,127,204 km (0.097 R)
• M13: 8,625,364 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 13.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.15 AU - 1.89 AU

Year: 1294 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,719,881 km

• M1: 173,683 km (0.054 R)
• M2: 657,931 km (0.104 R)
• M3: 1,118,394 km (0.1 R)
• M4: 1,577,958 km (0.104 R)
• M5: 2,166,327 km (0.058 R)
• M6: 2,885,593 km (0.113 R)
• M7: 3,325,561 km (0.113 R)
• M8: 4,160,167 km (0.103 R)
• M9: 4,844,428 km (0.089 R)
• M10: 5,941,728 km (0.111 R)
• M11: 7,120,111 km (0.059 R)
• M12: 7,904,303 km (0.043 R)
• M13: 8,866,067 km (0.114 R)
• M14: 10,470,205 km (0.07 R)
• M15: 11,341,463 km (0.118 R)
• M16: 11,998,348 km (0.078 R)
• M17: 12,991,677 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 12.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.57 AU - 2.39 AU

Year: 1923 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,719,881 km

• M1: 165,156 km (0.033 R)
• M2: 564,732 km (0.105 R)
• M3: 1,034,619 km (0.088 R)
• M4: 2,273,439 km (0.085 R)
• M5: 2,756,341 km (0.101 R)
• M6: 3,147,090 km (0.112 R)
• M7: 3,662,006 km (0.11 R)
• M8: 4,369,455 km (0.117 R)
• M9: 5,437,284 km (0.098 R)
• M10: 5,837,608 km (0.091 R)
• M11: 6,410,867 km (0.104 R)
• M12: 7,159,006 km (0.097 R)
• M13: 7,757,697 km (0.08 R)
• M14: 8,327,964 km (0.087 R)
• M15: 8,958,220 km (0.059 R)
• M16: 10,349,929 km (0.106 R)
• M17: 10,893,567 km (0.088 R)
• M18: 11,764,077 km (0.114 R)
• M19: 13,558,205 km (0.109 R)
• M20: 14,386,678 km (0.112 R)
• M21: 15,528,109 km (0.105 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.9

Radius: 12.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.49 AU - 2.63 AU

Year: 2827 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,719,881 km

• M1: 157,975 km (0.1 R)
• M2: 556,953 km (0.085 R)
• M3: 1,530,087 km (0.075 R)
• M4: 1,971,850 km (0.038 R)
• M5: 2,664,936 km (0.03 R)
• M6: 3,260,336 km (0.104 R)
• M7: 3,862,916 km (0.081 R)
• M8: 4,276,554 km (0.05 R)
• M9: 5,342,140 km (0.107 R)
• M10: 5,937,689 km (0.075 R)
• M11: 6,958,844 km (0.058 R)
• M12: 8,987,391 km (0.092 R)
• M13: 10,648,376 km (0.035 R)
• M14: 11,259,035 km (0.119 R)
• M15: 13,093,554 km (0.099 R)
• M16: 15,631,631 km (0.114 R)
• M17: 18,366,131 km (0.099 R)
• M18: 19,364,397 km (0.115 R)
• M19: 20,090,695 km (0.118 R)
• M20: 21,341,333 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 5.5

Gravity: 29.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.34 AU - 8.78 AU

Year: 17287 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,719,881 km

• M1: 68,516 km (0.037 R)
• M2: 366,814 km (0.093 R)
• M3: 1,062,743 km (0.116 R)
• M4: 1,460,374 km (0.107 R)
• M5: 1,783,057 km (0.109 R)
• M6: 2,030,342 km (0.053 R)
• M7: 2,344,049 km (0.033 R)
• M8: 2,617,664 km (0.098 R)
• M9: 3,367,897 km (0.074 R)
• M10: 3,869,349 km (0.097 R)
• M11: 4,122,020 km (0.115 R)
• M12: 5,436,536 km (0.081 R)
• M13: 6,916,358 km (0.039 R)
• M14: 7,241,584 km (0.034 R)
• M15: 8,592,752 km (0.088 R)
• M16: 8,860,233 km (0.094 R)
• M17: 9,078,197 km (0.093 R)
• M18: 10,644,337 km (0.103 R)
• M19: 11,980,845 km (0.061 R)
• M20: 12,180,408 km (0.086 R)
• M21: 12,861,976 km (0.1 R)
• M22: 18,894,959 km (0.055 R)
• M23: 20,748,477 km (0.063 R)
• M24: 22,719,877 km (0.119 R)
• M25: 23,334,725 km (0.072 R)
• M26: 24,597,779 km (0.108 R)
• M27: 25,355,343 km (0.103 R)
• M28: 28,897,521 km (0.1 R)
• M29: 29,619,182 km (0.092 R)
• M30: 34,471,389 km (0.088 R)
• M31: 41,780,142 km (0.099 R)
• M32: 42,239,707 km (0.101 R)
• M33: 43,324,890 km (0.07 R)
• M34: 44,111,326 km (0.119 R)
• M35: 45,228,373 km (0.028 R)
• M36: 45,712,771 km (0.118 R)
• M37: 50,057,093 km (0.042 R)
• M38: 54,122,714 km (0.078 R)
• M39: 64,317,510 km (0.059 R)
• M40: 72,807,638 km (0.112 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: 211 - 10,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit