🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 12.2

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.59 AU - 0.79 AU

Year: 376 Days

Day: 14.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,455,431 km

• M1: 151,991 km (0.026 R)
• M2: 721,062 km (0.076 R)
• M3: 1,150,557 km (0.106 R)
• M4: 1,784,852 km (0.104 R)
• M5: 2,196,845 km (0.054 R)
• M6: 2,593,728 km (0.11 R)
• M7: 3,071,843 km (0.108 R)
• M8: 3,645,700 km (0.065 R)
• M9: 4,248,729 km (0.114 R)
• M10: 5,406,766 km (0.098 R)
• M11: 5,859,300 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 11.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.86 AU - 1.16 AU

Year: 666 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,455,431 km

• M1: 148,102 km (0.091 R)
• M2: 545,284 km (0.107 R)
• M3: 1,453,044 km (0.084 R)
• M4: 1,842,148 km (0.106 R)
• M5: 2,603,452 km (0.102 R)
• M6: 3,249,715 km (0.12 R)
• M7: 3,813,250 km (0.092 R)
• M8: 4,331,906 km (0.047 R)
• M9: 4,982,058 km (0.117 R)
• M10: 6,355,815 km (0.097 R)
• M11: 6,894,218 km (0.076 R)
• M12: 7,351,090 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.5 AU - 2.58 AU

Year: 2656 Days

Day: 6.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,455,431 km

• M1: 183,257 km (0.1 R)
• M2: 937,380 km (0.115 R)
• M3: 1,645,726 km (0.084 R)
• M4: 2,105,440 km (0.075 R)
• M5: 4,268,925 km (0.044 R)
• M6: 5,156,339 km (0.04 R)
• M7: 5,787,942 km (0.105 R)
• M8: 6,246,609 km (0.046 R)
• M9: 7,268,213 km (0.1 R)
• M10: 8,330,956 km (0.093 R)
• M11: 8,917,679 km (0.108 R)
• M12: 9,792,976 km (0.053 R)
• M13: 12,058,486 km (0.073 R)
• M14: 12,720,606 km (0.093 R)
• M15: 15,358,166 km (0.058 R)
• M16: 18,982,175 km (0.079 R)
• M17: 20,000,787 km (0.116 R)
• M18: 20,741,595 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 12.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.13 AU - 3.93 AU

Year: 4351 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,455,431 km

• M1: 154,235 km (0.106 R)
• M2: 1,302,848 km (0.057 R)
• M3: 1,721,572 km (0.113 R)
• M4: 2,449,815 km (0.103 R)
• M5: 4,543,886 km (0.082 R)
• M6: 5,672,452 km (0.068 R)
• M7: 8,289,068 km (0.112 R)
• M8: 9,924,921 km (0.117 R)
• M9: 10,618,457 km (0.079 R)
• M10: 14,417,495 km (0.111 R)
• M11: 15,250,755 km (0.089 R)
• M12: 17,443,860 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 12.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.18 AU - 4.42 AU

Year: 5849 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,455,431 km

• M1: 153,039 km (0.068 R)
• M2: 592,707 km (0.087 R)
• M3: 1,538,764 km (0.099 R)
• M4: 2,152,863 km (0.051 R)
• M5: 2,721,185 km (0.111 R)
• M6: 3,304,318 km (0.052 R)
• M7: 3,693,422 km (0.049 R)
• M8: 4,802,989 km (0.119 R)
• M9: 5,450,299 km (0.064 R)
• M10: 7,235,750 km (0.091 R)
• M11: 9,727,602 km (0.086 R)
• M12: 10,626,086 km (0.096 R)
• M13: 11,875,827 km (0.118 R)
• M14: 12,955,026 km (0.108 R)
• M15: 14,266,999 km (0.072 R)
• M16: 15,307,752 km (0.049 R)
• M17: 15,726,027 km (0.084 R)
• M18: 17,998,569 km (0.1 R)
• M19: 25,447,196 km (0.041 R)
• M20: 26,119,489 km (0.086 R)
• M21: 28,029,405 km (0.104 R)
• M22: 28,656,071 km (0.112 R)
• M23: 30,030,576 km (0.031 R)
• M24: 30,592,615 km (0.104 R)
• M25: 31,256,979 km (0.034 R)
• M26: 32,320,620 km (0.115 R)
• M27: 32,811,899 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 12.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.21 AU - 4.99 AU

Year: 6472 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,455,431 km

• M1: 150,495 km (0.101 R)
• M2: 530,175 km (0.038 R)
• M3: 1,022,501 km (0.111 R)
• M4: 1,588,729 km (0.109 R)
• M5: 2,105,889 km (0.03 R)
• M6: 2,517,134 km (0.063 R)
• M7: 3,842,721 km (0.105 R)
• M8: 4,634,841 km (0.075 R)
• M9: 5,230,390 km (0.054 R)
• M10: 5,702,820 km (0.115 R)
• M11: 6,830,489 km (0.103 R)
• M12: 7,533,749 km (0.086 R)
• M13: 8,284,580 km (0.054 R)
• M14: 11,471,165 km (0.108 R)
• M15: 12,514,161 km (0.119 R)
• M16: 15,118,361 km (0.115 R)
• M17: 20,751,169 km (0.096 R)
• M18: 22,441,625 km (0.065 R)
• M19: 23,994,451 km (0.119 R)
• M20: 28,315,287 km (0.083 R)

Asteroid Belt

Center: 6.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.9

Radius: 5.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.04 AU - 7.98 AU

Year: 13501 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,455,431 km

• M1: 1,358,498 km (0.093 R)
• M2: 1,549,535 km (0.096 R)
• M3: 4,291,365 km (0.088 R)
• M4: 11,823,617 km (0.089 R)
• M5: 13,232,829 km (0.103 R)
• M6: 17,450,292 km (0.061 R)
• M7: 18,002,309 km (0.107 R)
• M8: 19,400,899 km (0.113 R)
• M9: 20,126,598 km (0.118 R)
• M10: 22,628,174 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.3

Radius: 5.4

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.01 AU - 9.63 AU

Year: 14346 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,455,431 km

• M1: 67,169 km (0.098 R)
• M2: 248,482 km (0.119 R)
• M3: 535,261 km (0.093 R)
• M4: 756,816 km (0.072 R)
• M5: 1,156,242 km (0.117 R)
• M6: 1,547,889 km (0.12 R)
• M7: 1,815,969 km (0.099 R)
• M8: 2,677,652 km (0.098 R)
• M9: 4,515,612 km (0.11 R)
• M10: 4,704,554 km (0.094 R)
• M11: 5,131,805 km (0.062 R)
• M12: 5,692,797 km (0.084 R)
• M13: 6,812,238 km (0.051 R)
• M14: 8,256,306 km (0.102 R)
• M15: 10,483,520 km (0.105 R)
• M16: 11,734,457 km (0.081 R)
• M17: 19,506,216 km (0.052 R)
• M18: 21,037,949 km (0.086 R)
• M19: 24,435,017 km (0.074 R)
• M20: 27,653,166 km (0.08 R)
• M21: 29,363,519 km (0.041 R)
• M22: 30,691,649 km (0.098 R)
• M23: 33,229,577 km (0.053 R)
• M24: 35,531,140 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.7

Radius: 7.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9.3 AU - 11.56 AU

Year: 22097 Days

Day: 19.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,455,431 km

• M1: 208,390 km (0.095 R)
• M2: 828,024 km (0.057 R)
• M3: 1,911,861 km (0.115 R)
• M4: 2,295,430 km (0.114 R)
• M5: 4,547,027 km (0.073 R)
• M6: 5,377,894 km (0.067 R)
• M7: 6,470,856 km (0.048 R)
• M8: 6,740,282 km (0.089 R)
• M9: 8,123,464 km (0.061 R)
• M10: 10,129,122 km (0.092 R)
• M11: 12,136,726 km (0.074 R)
• M12: 13,233,876 km (0.11 R)
• M13: 15,384,944 km (0.09 R)
• M14: 19,868,243 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 19,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit