🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 11

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.57 AU - 0.79 AU

Year: 362 Days

Day: 13.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,486,483 km

• M1: 136,732 km (0.051 R)
• M2: 480,359 km (0.08 R)
• M3: 852,708 km (0.116 R)
• M4: 1,207,105 km (0.12 R)
• M5: 1,554,771 km (0.102 R)
• M6: 2,001,919 km (0.086 R)
• M7: 2,667,330 km (0.105 R)
• M8: 3,148,886 km (0.102 R)
• M9: 3,999,499 km (0.091 R)
• M10: 5,270,333 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 13.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.08 AU - 1.12 AU

Year: 745 Days

Day: 12.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,486,483 km

• M1: 164,258 km (0.095 R)
• M2: 647,759 km (0.1 R)
• M3: 1,094,907 km (0.084 R)
• M4: 2,039,169 km (0.093 R)
• M5: 2,711,162 km (0.037 R)
• M6: 3,833,745 km (0.119 R)
• M7: 4,434,530 km (0.1 R)
• M8: 5,434,143 km (0.078 R)
• M9: 6,406,080 km (0.049 R)
• M10: 8,305,075 km (0.105 R)
• M11: 9,425,863 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 12.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.17 AU - 1.25 AU

Year: 859 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,486,483 km

• M1: 154,535 km (0.036 R)
• M2: 654,191 km (0.114 R)
• M3: 1,082,789 km (0.081 R)
• M4: 1,665,323 km (0.085 R)
• M5: 2,368,882 km (0.063 R)
• M6: 3,062,717 km (0.068 R)
• M7: 3,759,544 km (0.101 R)
• M8: 4,322,481 km (0.09 R)
• M9: 4,856,396 km (0.113 R)
• M10: 5,844,340 km (0.097 R)
• M11: 6,643,791 km (0.074 R)
• M12: 7,743,934 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 11.4

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.35 AU - 2.47 AU

Year: 2416 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,486,483 km

• M1: 142,866 km (0.109 R)
• M2: 506,688 km (0.061 R)
• M3: 1,123,480 km (0.069 R)
• M4: 1,890,169 km (0.118 R)
• M5: 2,300,067 km (0.119 R)
• M6: 2,722,831 km (0.101 R)
• M7: 3,824,021 km (0.083 R)
• M8: 4,686,901 km (0.111 R)
• M9: 5,225,154 km (0.031 R)
• M10: 5,883,086 km (0.092 R)
• M11: 6,454,101 km (0.118 R)
• M12: 7,303,069 km (0.088 R)
• M13: 7,898,618 km (0.084 R)
• M14: 8,324,673 km (0.092 R)
• M15: 9,439,027 km (0.112 R)
• M16: 11,499,738 km (0.12 R)
• M17: 12,613,344 km (0.056 R)
• M18: 13,150,999 km (0.111 R)
• M19: 16,491,520 km (0.109 R)
• M20: 18,585,740 km (0.103 R)
• M21: 19,048,297 km (0.097 R)
• M22: 20,117,174 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 12.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.16 AU - 3.2 AU

Year: 2833 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,486,483 km

• M1: 156,629 km (0.077 R)
• M2: 558,150 km (0.088 R)
• M3: 1,129,165 km (0.105 R)
• M4: 1,521,410 km (0.091 R)
• M5: 1,970,802 km (0.064 R)
• M6: 2,369,181 km (0.095 R)
• M7: 2,822,164 km (0.032 R)
• M8: 4,164,506 km (0.106 R)
• M9: 5,491,139 km (0.058 R)
• M10: 7,349,743 km (0.116 R)
• M11: 7,748,123 km (0.095 R)
• M12: 9,240,361 km (0.099 R)
• M13: 9,851,469 km (0.067 R)
• M14: 10,837,917 km (0.101 R)
• M15: 11,395,767 km (0.117 R)
• M16: 11,972,617 km (0.109 R)
• M17: 12,482,596 km (0.104 R)
• M18: 13,274,866 km (0.103 R)
• M19: 13,729,195 km (0.072 R)
• M20: 14,288,242 km (0.077 R)
• M21: 15,253,597 km (0.069 R)
• M22: 16,468,930 km (0.12 R)
• M23: 17,100,233 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73

Radius: 3.1

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.41 AU - 7.29 AU

Year: 10332 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,486,483 km

• M1: 47,273 km (0.092 R)
• M2: 180,714 km (0.095 R)
• M3: 3,114,328 km (0.114 R)
• M4: 6,347,587 km (0.085 R)
• M5: 7,722,092 km (0.063 R)
• M6: 8,765,238 km (0.076 R)
• M7: 9,058,600 km (0.063 R)
• M8: 9,626,174 km (0.049 R)
• M9: 13,344,429 km (0.082 R)
• M10: 17,111,304 km (0.111 R)
• M11: 21,928,654 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 3.7

Gravity: 19.58 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.04 AU - 8.48 AU

Year: 12630 Days

Day: 24.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 126.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,486,483 km

• M1: 46,076 km (0.056 R)
• M2: 204,351 km (0.115 R)
• M3: 340,186 km (0.06 R)
• M4: 662,719 km (0.097 R)
• M5: 851,511 km (0.051 R)
• M6: 1,118,094 km (0.076 R)
• M7: 1,241,662 km (0.087 R)
• M8: 1,399,638 km (0.111 R)
• M9: 2,003,415 km (0.094 R)
• M10: 2,529,999 km (0.1 R)
• M11: 2,665,086 km (0.072 R)
• M12: 3,209,622 km (0.078 R)
• M13: 3,627,898 km (0.098 R)
• M14: 4,599,985 km (0.101 R)
• M15: 5,538,562 km (0.069 R)
• M16: 5,833,270 km (0.081 R)
• M17: 8,929,497 km (0.111 R)
• M18: 10,573,727 km (0.106 R)
• M19: 11,811,051 km (0.12 R)
• M20: 13,372,853 km (0.106 R)
• M21: 13,783,798 km (0.079 R)
• M22: 14,879,004 km (0.088 R)
• M23: 16,228,676 km (0.087 R)
• M24: 17,868,568 km (0.099 R)
• M25: 18,223,564 km (0.072 R)
• M26: 19,316,825 km (0.096 R)
• M27: 23,192,158 km (0.106 R)
• M28: 26,348,224 km (0.065 R)
• M29: 31,497,981 km (0.093 R)
• M30: 34,910,757 km (0.027 R)
• M31: 37,279,341 km (0.11 R)
• M32: 39,632,814 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.8

Radius: 6.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.72 AU - 9.78 AU

Year: 16712 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,486,483 km

• M1: 86,318 km (0.117 R)
• M2: 358,586 km (0.12 R)
• M3: 822,489 km (0.079 R)
• M4: 1,781,860 km (0.11 R)
• M5: 1,998,777 km (0.1 R)
• M6: 2,799,425 km (0.106 R)
• M7: 3,317,782 km (0.082 R)
• M8: 3,898,221 km (0.068 R)
• M9: 4,239,903 km (0.091 R)
• M10: 5,979,128 km (0.06 R)
• M11: 6,542,364 km (0.118 R)
• M12: 6,874,321 km (0.056 R)
• M13: 7,334,335 km (0.084 R)
• M14: 8,574,501 km (0.094 R)
• M15: 13,068,122 km (0.115 R)
• M16: 13,535,915 km (0.084 R)
• M17: 13,833,913 km (0.057 R)
• M18: 14,817,071 km (0.091 R)
• M19: 15,780,331 km (0.085 R)
• M20: 16,110,494 km (0.087 R)
• M21: 17,759,810 km (0.053 R)
• M22: 18,261,262 km (0.065 R)
• M23: 20,207,082 km (0.066 R)
• M24: 21,713,682 km (0.049 R)
• M25: 29,376,534 km (0.1 R)
• M26: 32,995,157 km (0.081 R)
• M27: 36,900,260 km (0.093 R)
• M28: 40,606,996 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 12,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit