🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 9.9

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,112,516 km

• M1: 123,119 km (0.059 R)
• M2: 463,305 km (0.103 R)
• M3: 879,037 km (0.045 R)
• M4: 1,254,677 km (0.052 R)
• M5: 1,621,342 km (0.084 R)
• M6: 2,316,074 km (0.12 R)
• M7: 2,915,363 km (0.105 R)
• M8: 3,230,416 km (0.065 R)
• M9: 3,615,182 km (0.027 R)
• M10: 4,158,522 km (0.104 R)
• M11: 4,642,770 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 10.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 12.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,112,516 km

• M1: 134,339 km (0.05 R)
• M2: 480,359 km (0.111 R)
• M3: 844,779 km (0.117 R)
• M4: 1,207,255 km (0.051 R)
• M5: 1,590,674 km (0.076 R)
• M6: 2,210,907 km (0.061 R)
• M7: 2,620,207 km (0.118 R)
• M8: 3,042,222 km (0.088 R)
• M9: 3,385,699 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 14

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 13 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,112,516 km

• M1: 174,282 km (0.102 R)
• M2: 667,655 km (0.103 R)
• M3: 1,265,897 km (0.113 R)
• M4: 1,729,501 km (0.051 R)
• M5: 2,858,067 km (0.109 R)
• M6: 3,472,017 km (0.051 R)
• M7: 3,986,334 km (0.103 R)
• M8: 4,431,687 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 8.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.9 AU - 1.94 AU

Year: 1836 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,112,516 km

• M1: 106,514 km (0.105 R)
• M2: 689,646 km (0.099 R)
• M3: 975,229 km (0.103 R)
• M4: 1,423,274 km (0.066 R)
• M5: 1,719,628 km (0.038 R)
• M6: 2,068,340 km (0.05 R)
• M7: 2,488,710 km (0.105 R)
• M8: 2,826,951 km (0.111 R)
• M9: 3,961,501 km (0.066 R)
• M10: 4,805,084 km (0.113 R)
• M11: 6,573,929 km (0.116 R)
• M12: 7,379,663 km (0.083 R)
• M13: 7,943,198 km (0.117 R)
• M14: 8,738,760 km (0.089 R)
• M15: 10,621,150 km (0.055 R)
• M16: 10,925,132 km (0.092 R)
• M17: 11,479,991 km (0.083 R)
• M18: 12,017,047 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.2

Radius: 14

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.26 AU - 2.5 AU

Year: 2534 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,112,516 km

• M1: 175,628 km (0.04 R)
• M2: 1,075,758 km (0.082 R)
• M3: 1,821,504 km (0.107 R)
• M4: 2,501,426 km (0.064 R)
• M5: 3,249,116 km (0.1 R)
• M6: 4,276,704 km (0.12 R)
• M7: 4,909,503 km (0.119 R)
• M8: 5,987,954 km (0.091 R)
• M9: 6,889,431 km (0.111 R)
• M10: 7,791,207 km (0.03 R)
• M11: 8,240,449 km (0.114 R)
• M12: 9,027,633 km (0.112 R)
• M13: 9,523,550 km (0.065 R)
• M14: 10,142,885 km (0.041 R)
• M15: 11,848,451 km (0.094 R)
• M16: 12,976,119 km (0.073 R)
• M17: 14,351,223 km (0.113 R)
• M18: 15,538,432 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.3

Radius: 13.1

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.93 AU - 4.05 AU

Year: 4500 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,112,516 km

• M1: 176,077 km (0.054 R)
• M2: 642,972 km (0.089 R)
• M3: 1,066,932 km (0.096 R)
• M4: 1,605,185 km (0.074 R)
• M5: 2,597,617 km (0.063 R)
• M6: 3,051,198 km (0.093 R)
• M7: 6,821,364 km (0.062 R)
• M8: 7,907,893 km (0.096 R)
• M9: 12,482,746 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66

Radius: 6.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.23 AU - 8.11 AU

Year: 13252 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,112,516 km

• M1: 87,515 km (0.066 R)
• M2: 357,090 km (0.105 R)
• M3: 663,467 km (0.063 R)
• M4: 1,140,534 km (0.097 R)
• M5: 1,357,900 km (0.108 R)
• M6: 2,055,325 km (0.105 R)
• M7: 4,314,702 km (0.077 R)
• M8: 5,186,708 km (0.037 R)
• M9: 6,818,372 km (0.056 R)
• M10: 7,544,221 km (0.052 R)
• M11: 9,906,820 km (0.055 R)
• M12: 11,055,582 km (0.058 R)
• M13: 12,625,163 km (0.103 R)
• M14: 14,076,711 km (0.062 R)
• M15: 17,607,071 km (0.063 R)
• M16: 19,285,709 km (0.119 R)
• M17: 19,737,793 km (0.116 R)
• M18: 23,247,360 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.4

Radius: 7.1

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.24 AU - 10.64 AU

Year: 20020 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,112,516 km

• M1: 89,908 km (0.088 R)
• M2: 443,258 km (0.086 R)
• M3: 683,363 km (0.089 R)
• M4: 2,534,786 km (0.104 R)
• M5: 2,954,109 km (0.094 R)
• M6: 3,505,527 km (0.099 R)
• M7: 3,899,568 km (0.087 R)
• M8: 4,597,891 km (0.026 R)
• M9: 5,416,041 km (0.091 R)
• M10: 6,548,198 km (0.088 R)
• M11: 7,780,136 km (0.059 R)
• M12: 9,328,624 km (0.094 R)
• M13: 9,557,210 km (0.069 R)
• M14: 11,654,572 km (0.1 R)
• M15: 13,093,105 km (0.081 R)
• M16: 14,493,191 km (0.034 R)
• M17: 17,328,819 km (0.028 R)
• M18: 18,291,182 km (0.083 R)
• M19: 18,649,918 km (0.095 R)
• M20: 25,488,186 km (0.097 R)
• M21: 31,981,182 km (0.116 R)
• M22: 37,878,630 km (0.105 R)
• M23: 40,246,016 km (0.072 R)
• M24: 43,183,221 km (0.078 R)
• M25: 45,764,981 km (0.118 R)
• M26: 46,426,203 km (0.108 R)
• M27: 52,126,032 km (0.113 R)
• M28: 53,757,696 km (0.113 R)
• M29: 55,610,316 km (0.041 R)
• M30: 56,742,173 km (0.095 R)
• M31: 58,662,411 km (0.061 R)
• M32: 64,269,040 km (0.088 R)
• M33: 64,682,679 km (0.054 R)
• M34: 71,766,437 km (0.108 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: 339 - 13,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit