🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 14.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.92 AU - 0.96 AU

Year: 579 Days

Day: 14.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,587,467 km

• M1: 184,753 km (0.1 R)
• M2: 646,412 km (0.082 R)
• M3: 1,283,699 km (0.059 R)
• M4: 1,929,513 km (0.112 R)
• M5: 3,377,471 km (0.088 R)
• M6: 4,678,973 km (0.107 R)
• M7: 5,943,523 km (0.061 R)
• M8: 6,452,755 km (0.069 R)
• M9: 7,717,455 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 11.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.89 AU - 3.13 AU

Year: 3320 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,587,467 km

• M1: 145,559 km (0.05 R)
• M2: 510,129 km (0.036 R)
• M3: 1,849,179 km (0.12 R)
• M4: 2,277,478 km (0.076 R)
• M5: 3,782,881 km (0.078 R)
• M6: 4,394,737 km (0.098 R)
• M7: 4,954,233 km (0.082 R)
• M8: 5,510,438 km (0.099 R)
• M9: 6,081,004 km (0.113 R)
• M10: 9,222,410 km (0.102 R)
• M11: 9,656,243 km (0.032 R)
• M12: 10,217,834 km (0.081 R)
• M13: 11,991,466 km (0.093 R)
• M14: 12,640,721 km (0.081 R)
• M15: 13,962,119 km (0.114 R)
• M16: 14,390,418 km (0.112 R)
• M17: 16,771,268 km (0.119 R)
• M18: 19,580,566 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 13.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.54 AU - 4.54 AU

Year: 5163 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,587,467 km

• M1: 166,802 km (0.082 R)
• M2: 635,043 km (0.056 R)
• M3: 1,099,245 km (0.056 R)
• M4: 2,117,109 km (0.079 R)
• M5: 3,354,433 km (0.101 R)
• M6: 4,097,635 km (0.109 R)
• M7: 4,947,950 km (0.095 R)
• M8: 5,415,742 km (0.106 R)
• M9: 6,003,811 km (0.068 R)
• M10: 8,405,755 km (0.036 R)
• M11: 9,196,230 km (0.117 R)
• M12: 10,297,270 km (0.08 R)
• M13: 11,109,736 km (0.085 R)
• M14: 12,508,327 km (0.097 R)
• M15: 16,484,339 km (0.106 R)
• M16: 17,096,194 km (0.093 R)
• M17: 17,914,195 km (0.063 R)
• M18: 18,365,383 km (0.034 R)
• M19: 19,764,721 km (0.118 R)
• M20: 20,246,576 km (0.049 R)
• M21: 21,521,898 km (0.103 R)
• M22: 22,327,183 km (0.06 R)
• M23: 23,381,100 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 11.9

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.22 AU - 5.3 AU

Year: 5590 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,587,467 km

• M1: 147,952 km (0.11 R)
• M2: 597,643 km (0.077 R)
• M3: 1,163,423 km (0.119 R)
• M4: 2,496,788 km (0.112 R)
• M5: 3,240,739 km (0.037 R)
• M6: 3,957,013 km (0.078 R)
• M7: 4,830,964 km (0.041 R)
• M8: 6,411,017 km (0.072 R)
• M9: 7,429,629 km (0.04 R)
• M10: 8,965,550 km (0.114 R)
• M11: 10,055,670 km (0.091 R)
• M12: 10,846,145 km (0.086 R)
• M13: 12,709,386 km (0.082 R)
• M14: 13,857,251 km (0.104 R)
• M15: 14,312,327 km (0.087 R)
• M16: 15,192,412 km (0.113 R)
• M17: 19,499,035 km (0.097 R)
• M18: 21,248,433 km (0.11 R)
• M19: 21,854,155 km (0.117 R)
• M20: 22,315,963 km (0.115 R)
• M21: 22,705,815 km (0.111 R)
• M22: 24,146,892 km (0.118 R)
• M23: 26,946,017 km (0.03 R)
• M24: 28,105,700 km (0.103 R)
• M25: 30,524,847 km (0.1 R)
• M26: 34,408,857 km (0.076 R)
• M27: 35,034,325 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.8

Radius: 7.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.42 AU - 9.3 AU

Year: 16768 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,587,467 km

• M1: 94,845 km (0.045 R)
• M2: 400,324 km (0.06 R)
• M3: 923,318 km (0.111 R)
• M4: 1,911,861 km (0.063 R)
• M5: 2,277,927 km (0.085 R)
• M6: 2,625,293 km (0.119 R)
• M7: 3,200,347 km (0.054 R)
• M8: 3,800,684 km (0.085 R)
• M9: 4,321,284 km (0.088 R)
• M10: 6,170,164 km (0.116 R)
• M11: 7,311,596 km (0.12 R)
• M12: 7,706,834 km (0.118 R)
• M13: 8,255,858 km (0.098 R)
• M14: 9,278,958 km (0.108 R)
• M15: 12,294,402 km (0.074 R)
• M16: 13,822,993 km (0.026 R)
• M17: 14,156,746 km (0.084 R)
• M18: 15,261,077 km (0.091 R)
• M19: 16,273,406 km (0.062 R)
• M20: 20,947,591 km (0.066 R)
• M21: 32,245,522 km (0.075 R)
• M22: 33,908,153 km (0.084 R)
• M23: 35,253,935 km (0.114 R)
• M24: 40,177,351 km (0.104 R)
• M25: 43,512,186 km (0.113 R)
• M26: 43,941,532 km (0.033 R)
• M27: 46,428,298 km (0.119 R)
• M28: 49,007,514 km (0.097 R)
• M29: 54,615,340 km (0.089 R)
• M30: 56,292,781 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.4

Radius: 5.8

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.3 AU - 13.56 AU

Year: 24570 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,587,467 km

• M1: 72,854 km (0.092 R)
• M2: 397,631 km (0.11 R)
• M3: 927,058 km (0.053 R)
• M4: 1,184,516 km (0.095 R)
• M5: 2,322,357 km (0.047 R)
• M6: 2,700,690 km (0.096 R)
• M7: 3,258,391 km (0.079 R)
• M8: 3,579,727 km (0.102 R)
• M9: 3,922,007 km (0.086 R)
• M10: 4,388,753 km (0.082 R)
• M11: 4,707,995 km (0.059 R)
• M12: 6,451,259 km (0.08 R)
• M13: 6,770,949 km (0.096 R)
• M14: 8,261,991 km (0.113 R)
• M15: 8,915,435 km (0.046 R)
• M16: 9,485,851 km (0.107 R)
• M17: 10,019,617 km (0.09 R)
• M18: 11,408,782 km (0.113 R)
• M19: 12,921,516 km (0.119 R)
• M20: 14,331,476 km (0.063 R)
• M21: 17,019,002 km (0.095 R)
• M22: 24,228,871 km (0.026 R)
• M23: 24,447,882 km (0.103 R)
• M24: 29,605,269 km (0.088 R)
• M25: 31,777,879 km (0.1 R)
• M26: 33,645,010 km (0.065 R)
• M27: 42,320,041 km (0.106 R)
• M28: 46,069,562 km (0.078 R)
• M29: 48,283,910 km (0.111 R)
• M30: 64,956,443 km (0.072 R)
• M31: 66,230,119 km (0.058 R)
• M32: 66,658,268 km (0.105 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: 397 - 17,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit