🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.3

Radius: 9.4

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.73 AU - 0.79 AU

Year: 449 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,745,183 km

• M1: 117,135 km (0.105 R)
• M2: 466,147 km (0.101 R)
• M3: 939,175 km (0.081 R)
• M4: 1,285,195 km (0.101 R)
• M5: 2,003,115 km (0.111 R)
• M6: 2,370,079 km (0.079 R)
• M7: 2,882,901 km (0.088 R)
• M8: 3,332,891 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 10.2

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.42 AU - 2.22 AU

Year: 1665 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,745,183 km

• M1: 126,859 km (0.119 R)
• M2: 544,387 km (0.097 R)
• M3: 944,112 km (0.072 R)
• M4: 1,429,108 km (0.032 R)
• M5: 2,005,659 km (0.082 R)
• M6: 2,413,911 km (0.041 R)
• M7: 2,998,689 km (0.078 R)
• M8: 3,383,305 km (0.085 R)
• M9: 4,471,331 km (0.113 R)
• M10: 5,517,020 km (0.118 R)
• M11: 6,147,575 km (0.048 R)
• M12: 7,639,963 km (0.108 R)
• M13: 8,771,222 km (0.055 R)
• M14: 9,128,312 km (0.095 R)
• M15: 10,365,038 km (0.103 R)
• M16: 10,727,663 km (0.026 R)
• M17: 11,098,666 km (0.054 R)
• M18: 12,183,550 km (0.066 R)
• M19: 12,587,614 km (0.076 R)
• M20: 13,985,007 km (0.104 R)
• M21: 15,156,807 km (0.094 R)
• M22: 15,624,450 km (0.056 R)
• M23: 16,246,927 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.6

Radius: 8.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.99 AU - 3.29 AU

Year: 2909 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,745,183 km

• M1: 110,702 km (0.104 R)
• M2: 608,415 km (0.032 R)
• M3: 1,230,442 km (0.052 R)
• M4: 1,599,650 km (0.064 R)
• M5: 2,672,566 km (0.096 R)
• M6: 3,519,290 km (0.083 R)
• M7: 4,241,399 km (0.096 R)
• M8: 5,406,916 km (0.045 R)
• M9: 6,835,725 km (0.075 R)
• M10: 7,481,240 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 14.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.51 AU - 3.65 AU

Year: 3666 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,745,183 km

• M1: 476,768 km (0.096 R)
• M2: 945,010 km (0.066 R)
• M3: 1,825,992 km (0.112 R)
• M4: 2,537,479 km (0.096 R)
• M5: 3,377,471 km (0.062 R)
• M6: 9,692,596 km (0.084 R)
• M7: 12,026,173 km (0.088 R)
• M8: 14,902,341 km (0.108 R)
• M9: 16,071,748 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 13.6

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.15 AU - 3.81 AU

Year: 4403 Days

Day: 7.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,745,183 km

• M1: 169,195 km (0.089 R)
• M2: 610,958 km (0.056 R)
• M3: 2,110,826 km (0.109 R)
• M4: 2,548,998 km (0.108 R)
• M5: 3,075,283 km (0.104 R)
• M6: 3,704,193 km (0.117 R)
• M7: 7,660,907 km (0.079 R)
• M8: 8,905,711 km (0.109 R)
• M9: 9,474,632 km (0.078 R)
• M10: 10,098,155 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 12.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.28 AU - 4.76 AU

Year: 5467 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,745,183 km

• M1: 154,235 km (0.026 R)
• M2: 576,550 km (0.085 R)
• M3: 1,193,492 km (0.083 R)
• M4: 1,791,435 km (0.105 R)
• M5: 2,198,939 km (0.115 R)
• M6: 3,108,943 km (0.099 R)
• M7: 4,255,162 km (0.089 R)
• M8: 5,491,289 km (0.108 R)
• M9: 6,146,528 km (0.072 R)
• M10: 6,753,895 km (0.06 R)
• M11: 7,226,774 km (0.1 R)
• M12: 10,500,125 km (0.063 R)
• M13: 11,846,057 km (0.04 R)
• M14: 13,887,021 km (0.074 R)
• M15: 15,390,928 km (0.087 R)
• M16: 15,915,568 km (0.101 R)
• M17: 17,000,751 km (0.086 R)
• M18: 18,654,705 km (0.105 R)
• M19: 20,834,346 km (0.102 R)
• M20: 25,209,485 km (0.051 R)
• M21: 27,355,915 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 14.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.76 AU - 5.2 AU

Year: 7538 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,745,183 km

• M1: 176,825 km (0.041 R)
• M2: 640,279 km (0.093 R)
• M3: 1,770,491 km (0.116 R)
• M4: 3,303,420 km (0.12 R)
• M5: 3,784,228 km (0.12 R)
• M6: 4,722,206 km (0.07 R)
• M7: 5,259,263 km (0.058 R)
• M8: 7,309,801 km (0.047 R)
• M9: 8,550,117 km (0.027 R)
• M10: 11,147,435 km (0.1 R)
• M11: 14,034,225 km (0.118 R)
• M12: 14,994,793 km (0.086 R)
• M13: 16,379,920 km (0.103 R)
• M14: 18,855,316 km (0.056 R)
• M15: 21,439,170 km (0.111 R)
• M16: 21,969,644 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.1

Radius: 8

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6 AU - 8.9 AU

Year: 13792 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,745,183 km

• M1: 122,371 km (0.094 R)
• M2: 667,506 km (0.047 R)
• M3: 1,432,250 km (0.086 R)
• M4: 2,169,319 km (0.113 R)
• M5: 2,974,305 km (0.057 R)
• M6: 3,909,292 km (0.113 R)
• M7: 4,490,030 km (0.1 R)
• M8: 11,434,214 km (0.116 R)
• M9: 11,722,788 km (0.109 R)
• M10: 12,864,370 km (0.111 R)
• M11: 16,732,223 km (0.08 R)
• M12: 17,482,456 km (0.087 R)
• M13: 20,034,147 km (0.104 R)
• M14: 22,103,684 km (0.12 R)
• M15: 24,027,961 km (0.107 R)
• M16: 27,893,271 km (0.081 R)
• M17: 33,429,888 km (0.116 R)
• M18: 41,123,258 km (0.095 R)
• M19: 44,022,913 km (0.11 R)
• M20: 45,306,314 km (0.065 R)
• M21: 47,500,466 km (0.109 R)
• M22: 51,626,674 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.4

Radius: 4

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.53 AU - 9.25 AU

Year: 15032 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,745,183 km

• M1: 53,855 km (0.067 R)
• M2: 189,241 km (0.084 R)
• M3: 491,279 km (0.111 R)
• M4: 849,716 km (0.119 R)
• M5: 1,030,580 km (0.096 R)
• M6: 1,249,142 km (0.063 R)
• M7: 1,429,408 km (0.117 R)
• M8: 1,858,604 km (0.107 R)
• M9: 2,237,685 km (0.112 R)
• M10: 2,900,104 km (0.115 R)
• M11: 3,170,727 km (0.101 R)
• M12: 3,532,305 km (0.085 R)
• M13: 3,736,207 km (0.077 R)
• M14: 4,937,478 km (0.101 R)
• M15: 7,108,741 km (0.102 R)
• M16: 7,351,539 km (0.063 R)
• M17: 7,939,907 km (0.079 R)
• M18: 8,378,977 km (0.101 R)
• M19: 14,976,991 km (0.113 R)
• M20: 16,335,339 km (0.068 R)
• M21: 18,983,371 km (0.058 R)
• M22: 20,086,057 km (0.065 R)
• M23: 21,734,327 km (0.105 R)
• M24: 24,008,962 km (0.108 R)
• M25: 30,379,438 km (0.051 R)
• M26: 32,103,853 km (0.103 R)
• M27: 34,235,174 km (0.117 R)
• M28: 34,927,363 km (0.041 R)
• M29: 36,339,567 km (0.09 R)
• M30: 38,157,779 km (0.036 R)
• M31: 38,652,649 km (0.097 R)
• M32: 41,581,626 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.7

Radius: 6.9

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.92 AU - 9.44 AU

Year: 17345 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,745,183 km

• M1: 87,365 km (0.102 R)
• M2: 473,028 km (0.059 R)
• M3: 703,708 km (0.103 R)
• M4: 976,874 km (0.099 R)
• M5: 2,621,104 km (0.09 R)
• M6: 2,856,422 km (0.109 R)
• M7: 3,913,032 km (0.064 R)
• M8: 5,934,548 km (0.095 R)
• M9: 7,259,835 km (0.071 R)
• M10: 8,213,073 km (0.072 R)
• M11: 10,482,173 km (0.1 R)
• M12: 12,535,254 km (0.044 R)
• M13: 13,002,897 km (0.069 R)
• M14: 15,065,104 km (0.116 R)
• M15: 17,090,958 km (0.108 R)
• M16: 18,084,438 km (0.036 R)
• M17: 18,854,568 km (0.044 R)
• M18: 19,735,549 km (0.085 R)
• M19: 20,736,060 km (0.105 R)
• M20: 21,295,706 km (0.032 R)
• M21: 22,057,757 km (0.12 R)
• M22: 24,246,823 km (0.095 R)
• M23: 26,142,228 km (0.092 R)
• M24: 26,905,327 km (0.042 R)
• M25: 36,036,332 km (0.11 R)
• M26: 36,304,561 km (0.093 R)
• M27: 36,981,192 km (0.114 R)
• M28: 40,925,938 km (0.092 R)
• M29: 48,488,559 km (0.114 R)
• M30: 50,305,575 km (0.113 R)
• M31: 51,146,166 km (0.102 R)
• M32: 53,202,089 km (0.056 R)
• M33: 53,899,514 km (0.103 R)
• M34: 57,477,895 km (0.087 R)
• M35: 58,028,116 km (0.05 R)
• M36: 64,312,573 km (0.072 R)
• M37: 65,901,602 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 18,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit