🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 10.1

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.67 AU - 0.73 AU

Year: 378 Days

Day: 8.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,329,439 km

• M1: 125,662 km (0.096 R)
• M2: 452,683 km (0.074 R)
• M3: 820,096 km (0.066 R)
• M4: 1,135,298 km (0.053 R)
• M5: 1,477,578 km (0.1 R)
• M6: 2,087,788 km (0.097 R)
• M7: 2,429,918 km (0.069 R)
• M8: 3,009,161 km (0.039 R)
• M9: 3,584,963 km (0.098 R)
• M10: 3,905,701 km (0.109 R)
• M11: 4,510,376 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.6

Radius: 11.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.29 AU - 4.49 AU

Year: 4954 Days

Day: 7.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,329,439 km

• M1: 141,819 km (0.108 R)
• M2: 588,219 km (0.115 R)
• M3: 1,183,918 km (0.091 R)
• M4: 2,100,354 km (0.073 R)
• M5: 3,065,410 km (0.062 R)
• M6: 4,069,810 km (0.119 R)
• M7: 4,648,455 km (0.099 R)
• M8: 5,064,187 km (0.033 R)
• M9: 6,000,819 km (0.077 R)
• M10: 6,526,656 km (0.112 R)
• M11: 7,252,505 km (0.066 R)
• M12: 8,983,352 km (0.101 R)
• M13: 9,466,254 km (0.112 R)
• M14: 10,749,654 km (0.118 R)
• M15: 14,244,709 km (0.058 R)
• M16: 15,408,581 km (0.079 R)
• M17: 16,515,306 km (0.075 R)
• M18: 19,280,772 km (0.079 R)
• M19: 20,153,676 km (0.115 R)
• M20: 22,487,702 km (0.094 R)
• M21: 24,839,530 km (0.103 R)
• M22: 26,196,532 km (0.091 R)
• M23: 26,604,785 km (0.112 R)
• M24: 28,452,468 km (0.095 R)
• M25: 29,319,836 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.9

Radius: 9.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.69 AU - 4.23 AU

Year: 5088 Days

Day: 11.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,329,439 km

• M1: 116,088 km (0.06 R)
• M2: 495,319 km (0.114 R)
• M3: 1,560,007 km (0.109 R)
• M4: 2,766,513 km (0.088 R)
• M5: 3,429,531 km (0.099 R)
• M6: 3,942,951 km (0.062 R)
• M7: 4,990,585 km (0.118 R)
• M8: 5,508,493 km (0.032 R)
• M9: 6,461,730 km (0.091 R)
• M10: 7,521,033 km (0.051 R)
• M11: 8,276,652 km (0.059 R)
• M12: 10,193,001 km (0.077 R)
• M13: 11,392,177 km (0.039 R)
• M14: 11,954,216 km (0.066 R)
• M15: 12,982,402 km (0.114 R)
• M16: 13,752,233 km (0.061 R)
• M17: 14,174,997 km (0.106 R)
• M18: 14,552,133 km (0.091 R)
• M19: 15,439,099 km (0.04 R)
• M20: 16,716,964 km (0.06 R)
• M21: 17,381,777 km (0.061 R)
• M22: 17,751,732 km (0.09 R)
• M23: 18,443,772 km (0.074 R)
• M24: 18,764,211 km (0.093 R)
• M25: 19,416,158 km (0.106 R)
• M26: 20,559,086 km (0.104 R)
• M27: 20,903,610 km (0.09 R)
• M28: 22,538,415 km (0.099 R)
• M29: 23,951,816 km (0.115 R)
• M30: 25,108,806 km (0.117 R)
• M31: 25,820,592 km (0.056 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 5.3

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.91 AU - 8.49 AU

Year: 13796 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,329,439 km

• M1: 65,973 km (0.106 R)
• M2: 311,014 km (0.068 R)
• M3: 511,326 km (0.102 R)
• M4: 780,751 km (0.112 R)
• M5: 964,308 km (0.101 R)
• M6: 1,250,339 km (0.074 R)
• M7: 1,420,581 km (0.107 R)
• M8: 2,245,015 km (0.079 R)
• M9: 2,814,534 km (0.088 R)
• M10: 4,063,228 km (0.113 R)
• M11: 4,777,707 km (0.09 R)
• M12: 5,964,766 km (0.117 R)
• M13: 8,621,774 km (0.081 R)
• M14: 8,905,262 km (0.12 R)
• M15: 9,491,087 km (0.078 R)
• M16: 10,577,617 km (0.114 R)
• M17: 11,178,701 km (0.119 R)
• M18: 11,516,044 km (0.086 R)
• M19: 13,056,603 km (0.103 R)
• M20: 16,612,694 km (0.057 R)
• M21: 17,498,912 km (0.078 R)
• M22: 17,877,245 km (0.093 R)
• M23: 21,018,501 km (0.086 R)
• M24: 23,123,941 km (0.098 R)
• M25: 26,046,186 km (0.114 R)
• M26: 27,139,597 km (0.077 R)
• M27: 27,953,858 km (0.068 R)
• M28: 28,784,276 km (0.093 R)
• M29: 29,737,813 km (0.095 R)
• M30: 35,906,331 km (0.09 R)
• M31: 36,517,289 km (0.06 R)
• M32: 37,259,444 km (0.101 R)
• M33: 38,138,032 km (0.1 R)
• M34: 49,781,683 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 5.1

Gravity: 28.69 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.77 AU - 11.21 AU

Year: 18876 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,329,439 km

• M1: 90,357 km (0.042 R)
• M2: 343,776 km (0.106 R)
• M3: 509,680 km (0.111 R)
• M4: 801,097 km (0.106 R)
• M5: 1,296,864 km (0.096 R)
• M6: 1,512,135 km (0.088 R)
• M7: 1,698,085 km (0.033 R)
• M8: 2,647,134 km (0.097 R)
• M9: 3,262,879 km (0.105 R)
• M10: 4,128,602 km (0.052 R)
• M11: 4,291,963 km (0.097 R)
• M12: 8,864,272 km (0.045 R)
• M13: 9,359,292 km (0.111 R)
• M14: 10,404,083 km (0.092 R)
• M15: 12,722,850 km (0.055 R)
• M16: 22,498,473 km (0.116 R)
• M17: 28,039,428 km (0.065 R)
• M18: 28,627,198 km (0.109 R)
• M19: 32,070,941 km (0.114 R)
• M20: 34,693,242 km (0.052 R)
• M21: 38,455,329 km (0.054 R)
• M22: 41,714,768 km (0.101 R)
• M23: 43,567,837 km (0.092 R)
• M24: 46,286,180 km (0.103 R)
• M25: 49,968,980 km (0.093 R)
• M26: 51,006,142 km (0.066 R)
• M27: 52,411,464 km (0.1 R)
• M28: 53,123,700 km (0.083 R)
• M29: 56,408,570 km (0.034 R)
• M30: 56,781,667 km (0.104 R)
• M31: 57,532,948 km (0.037 R)
• M32: 67,910,402 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 19,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit