🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.9

Radius: 14.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,190,548 km

• M1: 186,399 km (0.086 R)
• M2: 763,847 km (0.101 R)
• M3: 1,773,483 km (0.076 R)
• M4: 2,341,805 km (0.052 R)
• M5: 2,844,454 km (0.083 R)
• M6: 3,536,793 km (0.115 R)
• M7: 4,299,144 km (0.025 R)
• M8: 4,807,627 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 11.7

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.64 AU - 0.78 AU

Year: 399 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,190,548 km

• M1: 145,559 km (0.086 R)
• M2: 1,199,027 km (0.12 R)
• M3: 1,614,610 km (0.12 R)
• M4: 2,494,844 km (0.065 R)
• M5: 3,069,599 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 12.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.82 AU - 0.98 AU

Year: 569 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,190,548 km

• M1: 156,928 km (0.086 R)
• M2: 616,792 km (0.106 R)
• M3: 1,048,681 km (0.084 R)
• M4: 1,455,138 km (0.112 R)
• M5: 1,892,563 km (0.109 R)
• M6: 2,428,572 km (0.041 R)
• M7: 2,844,903 km (0.045 R)
• M8: 4,515,612 km (0.115 R)
• M9: 4,982,806 km (0.074 R)
• M10: 5,939,634 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 13.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1 AU - 1.1 AU

Year: 717 Days

Day: 12.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,190,548 km

• M1: 165,455 km (0.091 R)
• M2: 610,659 km (0.057 R)
• M3: 1,180,327 km (0.087 R)
• M4: 1,764,208 km (0.101 R)
• M5: 2,312,035 km (0.115 R)
• M6: 2,802,267 km (0.097 R)
• M7: 3,771,213 km (0.117 R)
• M8: 4,456,221 km (0.082 R)
• M9: 4,934,486 km (0.105 R)
• M10: 6,841,709 km (0.114 R)
• M11: 7,936,915 km (0.088 R)
• M12: 8,565,376 km (0.093 R)
• M13: 9,065,033 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301

Radius: 13.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.17 AU - 2.47 AU

Year: 2356 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,190,548 km

• M1: 166,652 km (0.101 R)
• M2: 600,037 km (0.087 R)
• M3: 1,946,268 km (0.075 R)
• M4: 2,502,174 km (0.099 R)
• M5: 4,878,087 km (0.062 R)
• M6: 5,576,410 km (0.048 R)
• M7: 7,068,499 km (0.077 R)
• M8: 7,493,657 km (0.111 R)
• M9: 8,722,005 km (0.096 R)
• M10: 9,400,281 km (0.048 R)
• M11: 10,654,809 km (0.095 R)
• M12: 11,215,352 km (0.084 R)
• M13: 12,055,494 km (0.041 R)
• M14: 12,741,999 km (0.073 R)
• M15: 13,779,460 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.18 AU - 3.48 AU

Year: 3175 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,190,548 km

• M1: 99,483 km (0.094 R)
• M2: 408,851 km (0.112 R)
• M3: 1,451,399 km (0.065 R)
• M4: 1,776,176 km (0.064 R)
• M5: 2,174,255 km (0.083 R)
• M6: 2,645,190 km (0.102 R)
• M7: 3,166,089 km (0.108 R)
• M8: 3,416,965 km (0.109 R)
• M9: 3,827,462 km (0.107 R)
• M10: 4,704,554 km (0.073 R)
• M11: 6,366,736 km (0.11 R)
• M12: 6,659,648 km (0.08 R)
• M13: 9,002,351 km (0.047 R)
• M14: 9,751,388 km (0.106 R)
• M15: 15,858,721 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.7

Radius: 9.2

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.53 AU - 3.93 AU

Year: 4804 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,190,548 km

• M1: 114,442 km (0.114 R)
• M2: 447,597 km (0.102 R)
• M3: 801,845 km (0.108 R)
• M4: 1,519,615 km (0.09 R)
• M5: 2,167,224 km (0.082 R)
• M6: 2,563,509 km (0.106 R)
• M7: 2,873,027 km (0.093 R)
• M8: 3,481,142 km (0.099 R)
• M9: 3,770,166 km (0.068 R)
• M10: 4,221,652 km (0.086 R)
• M11: 4,577,246 km (0.114 R)
• M12: 5,348,573 km (0.1 R)
• M13: 5,734,984 km (0.083 R)
• M14: 6,398,750 km (0.06 R)
• M15: 7,112,631 km (0.081 R)
• M16: 7,766,074 km (0.034 R)
• M17: 8,698,967 km (0.029 R)
• M18: 9,276,564 km (0.107 R)
• M19: 15,442,091 km (0.086 R)
• M20: 16,912,488 km (0.062 R)
• M21: 17,487,393 km (0.086 R)
• M22: 19,015,535 km (0.101 R)
• M23: 19,359,161 km (0.109 R)
• M24: 22,488,001 km (0.079 R)
• M25: 26,361,688 km (0.094 R)
• M26: 29,178,017 km (0.043 R)
• M27: 33,170,485 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.9

Radius: 11.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.5 AU - 5 AU

Year: 5843 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,190,548 km

• M1: 141,819 km (0.117 R)
• M2: 523,742 km (0.11 R)
• M3: 924,365 km (0.095 R)
• M4: 1,458,280 km (0.083 R)
• M5: 1,950,756 km (0.084 R)
• M6: 3,159,058 km (0.116 R)
• M7: 4,223,148 km (0.108 R)
• M8: 4,761,251 km (0.092 R)
• M9: 5,344,683 km (0.093 R)
• M10: 6,005,158 km (0.091 R)
• M11: 6,559,268 km (0.026 R)
• M12: 9,733,137 km (0.084 R)
• M13: 11,212,959 km (0.074 R)
• M14: 12,589,409 km (0.036 R)
• M15: 13,395,442 km (0.108 R)
• M16: 17,888,465 km (0.1 R)
• M17: 18,329,479 km (0.094 R)
• M18: 19,964,135 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.1

Radius: 7.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.6 AU - 7.94 AU

Year: 13072 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,190,548 km

• M1: 96,042 km (0.109 R)
• M2: 711,936 km (0.102 R)
• M3: 1,156,092 km (0.054 R)
• M4: 1,715,588 km (0.116 R)
• M5: 2,462,531 km (0.113 R)
• M6: 2,775,041 km (0.08 R)
• M7: 3,339,772 km (0.118 R)
• M8: 4,083,872 km (0.113 R)
• M9: 9,675,392 km (0.118 R)
• M10: 10,061,055 km (0.103 R)
• M11: 16,663,108 km (0.12 R)
• M12: 17,077,794 km (0.092 R)
• M13: 20,020,982 km (0.092 R)
• M14: 20,726,935 km (0.094 R)
• M15: 21,287,328 km (0.05 R)
• M16: 21,775,765 km (0.085 R)
• M17: 22,022,751 km (0.056 R)
• M18: 23,200,087 km (0.089 R)
• M19: 23,630,629 km (0.088 R)
• M20: 24,242,335 km (0.111 R)
• M21: 26,326,383 km (0.041 R)
• M22: 37,135,128 km (0.116 R)
• M23: 39,407,071 km (0.099 R)
• M24: 40,267,109 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.4

Radius: 6.9

Gravity: 16.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.64 AU - 9.24 AU

Year: 17825 Days

Day: 15.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,190,548 km

• M1: 86,168 km (0.103 R)
• M2: 389,403 km (0.048 R)
• M3: 635,342 km (0.113 R)
• M4: 918,681 km (0.095 R)
• M5: 1,418,637 km (0.085 R)
• M6: 2,314,877 km (0.083 R)
• M7: 2,536,881 km (0.104 R)
• M8: 3,290,405 km (0.113 R)
• M9: 4,687,649 km (0.081 R)
• M10: 5,193,140 km (0.032 R)
• M11: 6,441,535 km (0.114 R)
• M12: 8,435,824 km (0.089 R)
• M13: 9,915,945 km (0.102 R)
• M14: 11,056,031 km (0.102 R)
• M15: 11,433,466 km (0.103 R)
• M16: 12,482,297 km (0.07 R)
• M17: 14,247,402 km (0.105 R)
• M18: 17,747,095 km (0.105 R)
• M19: 19,330,438 km (0.103 R)
• M20: 20,156,368 km (0.073 R)
• M21: 25,941,916 km (0.107 R)
• M22: 26,608,674 km (0.118 R)
• M23: 29,751,127 km (0.041 R)
• M24: 35,659,644 km (0.089 R)
• M25: 36,622,307 km (0.114 R)
• M26: 38,455,928 km (0.088 R)
• M27: 42,919,031 km (0.045 R)
• M28: 44,955,955 km (0.114 R)
• M29: 45,434,968 km (0.083 R)
• M30: 47,550,132 km (0.117 R)
• M31: 54,469,183 km (0.056 R)
• M32: 57,227,618 km (0.105 R)
• M33: 63,021,394 km (0.118 R)
• M34: 64,225,208 km (0.064 R)
• M35: 69,619,259 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 13,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit