🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.59 AU - 2.47 AU

Year: 1272 Days

Day: 45.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 15

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.75 AU - 4.33 AU

Year: 2929 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,462,474 km

• M1: 186,549 km (0.111 R)
• M2: 757,863 km (0.104 R)
• M3: 1,288,935 km (0.041 R)
• M4: 1,791,883 km (0.108 R)
• M5: 3,306,562 km (0.077 R)
• M6: 4,075,046 km (0.1 R)
• M7: 4,697,822 km (0.113 R)
• M8: 5,515,524 km (0.091 R)
• M9: 6,041,211 km (0.104 R)
• M10: 10,201,976 km (0.098 R)
• M11: 10,751,300 km (0.093 R)
• M12: 11,320,370 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 8.3

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.07 AU - 4.03 AU

Year: 2941 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,462,474 km

• M1: 103,223 km (0.091 R)
• M2: 390,301 km (0.051 R)
• M3: 1,144,125 km (0.117 R)
• M4: 2,474,349 km (0.117 R)
• M5: 3,453,317 km (0.11 R)
• M6: 3,865,160 km (0.06 R)
• M7: 4,179,017 km (0.087 R)
• M8: 4,693,484 km (0.086 R)
• M9: 5,556,813 km (0.112 R)
• M10: 6,406,230 km (0.088 R)
• M11: 6,877,313 km (0.099 R)
• M12: 7,594,785 km (0.117 R)
• M13: 8,156,375 km (0.1 R)
• M14: 9,362,583 km (0.051 R)
• M15: 10,481,724 km (0.111 R)
• M16: 11,011,450 km (0.072 R)
• M17: 11,644,698 km (0.116 R)
• M18: 12,213,021 km (0.106 R)
• M19: 13,738,470 km (0.073 R)
• M20: 14,975,794 km (0.046 R)
• M21: 15,595,428 km (0.051 R)
• M22: 15,911,529 km (0.025 R)
• M23: 16,393,832 km (0.077 R)
• M24: 16,720,704 km (0.032 R)
• M25: 17,163,364 km (0.077 R)
• M26: 17,613,803 km (0.117 R)
• M27: 19,494,697 km (0.116 R)
• M28: 20,046,863 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 13.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.73 AU - 5.23 AU

Year: 4169 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,462,474 km

• M1: 172,935 km (0.055 R)
• M2: 743,202 km (0.05 R)
• M3: 1,222,663 km (0.082 R)
• M4: 1,733,690 km (0.073 R)
• M5: 3,070,048 km (0.099 R)
• M6: 3,820,879 km (0.077 R)
• M7: 4,261,445 km (0.048 R)
• M8: 4,803,588 km (0.098 R)
• M9: 5,294,269 km (0.113 R)
• M10: 7,885,453 km (0.117 R)
• M11: 8,404,558 km (0.113 R)
• M12: 8,843,029 km (0.091 R)
• M13: 9,511,433 km (0.081 R)
• M14: 11,270,255 km (0.116 R)
• M15: 12,056,691 km (0.077 R)
• M16: 13,463,808 km (0.042 R)
• M17: 14,112,764 km (0.115 R)
• M18: 16,341,174 km (0.065 R)
• M19: 17,026,482 km (0.071 R)
• M20: 17,566,680 km (0.103 R)
• M21: 18,229,847 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 10.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.5 AU - 9.7 AU

Year: 10137 Days

Day: 8.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,462,474 km

• M1: 132,544 km (0.062 R)
• M2: 580,141 km (0.069 R)
• M3: 988,842 km (0.108 R)
• M4: 1,451,249 km (0.092 R)
• M5: 1,827,488 km (0.079 R)
• M6: 2,235,441 km (0.085 R)
• M7: 2,665,834 km (0.077 R)
• M8: 3,003,626 km (0.062 R)
• M9: 3,438,058 km (0.047 R)
• M10: 3,840,177 km (0.112 R)
• M11: 5,238,917 km (0.118 R)
• M12: 6,696,599 km (0.093 R)
• M13: 8,450,335 km (0.071 R)
• M14: 10,011,837 km (0.096 R)
• M15: 11,290,600 km (0.113 R)
• M16: 12,730,480 km (0.059 R)
• M17: 13,066,327 km (0.046 R)
• M18: 13,523,498 km (0.118 R)
• M19: 17,096,045 km (0.076 R)
• M20: 17,574,159 km (0.114 R)
• M21: 18,131,561 km (0.107 R)
• M22: 20,100,120 km (0.096 R)
• M23: 22,287,988 km (0.044 R)
• M24: 25,416,678 km (0.089 R)
• M25: 29,602,277 km (0.097 R)
• M26: 34,876,649 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.8

Radius: 3.9

Gravity: 31.08 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.99 AU - 14.23 AU

Year: 17395 Days

Day: 17.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,462,474 km

• M1: 48,470 km (0.064 R)
• M2: 360,082 km (0.039 R)
• M3: 691,591 km (0.09 R)
• M4: 971,040 km (0.107 R)
• M5: 1,124,527 km (0.1 R)
• M6: 1,280,408 km (0.103 R)
• M7: 1,668,615 km (0.036 R)
• M8: 1,890,019 km (0.116 R)
• M9: 2,584,303 km (0.076 R)
• M10: 3,149,484 km (0.06 R)
• M11: 3,302,822 km (0.071 R)
• M12: 3,596,931 km (0.06 R)
• M13: 4,455,773 km (0.045 R)
• M14: 4,715,026 km (0.093 R)
• M15: 6,404,584 km (0.112 R)
• M16: 6,692,859 km (0.096 R)
• M17: 11,687,034 km (0.034 R)
• M18: 11,808,957 km (0.08 R)
• M19: 13,808,033 km (0.057 R)
• M20: 14,851,777 km (0.099 R)
• M21: 15,946,983 km (0.115 R)
• M22: 16,938,817 km (0.06 R)
• M23: 18,215,037 km (0.057 R)
• M24: 20,867,557 km (0.061 R)
• M25: 22,803,802 km (0.073 R)
• M26: 23,378,108 km (0.102 R)
• M27: 29,549,918 km (0.082 R)
• M28: 31,510,847 km (0.116 R)
• M29: 33,189,634 km (0.117 R)
• M30: 36,985,830 km (0.077 R)
• M31: 49,132,728 km (0.08 R)
• M32: 49,769,416 km (0.103 R)
• M33: 52,703,031 km (0.089 R)
• M34: 56,442,529 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.6

Radius: 4.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 12.15 AU - 16.01 AU

Year: 23231 Days

Day: 22.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,462,474 km

• M1: 51,162 km (0.053 R)
• M2: 195,375 km (0.077 R)
• M3: 684,560 km (0.1 R)
• M4: 848,070 km (0.103 R)
• M5: 1,136,794 km (0.093 R)
• M6: 1,795,773 km (0.051 R)
• M7: 2,216,292 km (0.085 R)
• M8: 2,825,305 km (0.106 R)
• M9: 2,955,007 km (0.106 R)
• M10: 3,818,785 km (0.073 R)
• M11: 4,004,436 km (0.12 R)
• M12: 5,248,192 km (0.059 R)
• M13: 6,280,268 km (0.054 R)
• M14: 11,656,068 km (0.116 R)
• M15: 13,152,944 km (0.063 R)
• M16: 14,579,958 km (0.096 R)
• M17: 15,564,312 km (0.091 R)
• M18: 16,592,049 km (0.039 R)
• M19: 18,254,680 km (0.051 R)
• M20: 29,571,310 km (0.082 R)
• M21: 30,298,057 km (0.099 R)
• M22: 34,224,402 km (0.086 R)
• M23: 38,722,810 km (0.112 R)
• M24: 40,601,760 km (0.088 R)
• M25: 41,628,300 km (0.096 R)
• M26: 42,409,500 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 19,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit