🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 13.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.59 AU - 0.95 AU

Year: 458 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,781,393 km

• M1: 164,857 km (0.051 R)
• M2: 578,046 km (0.052 R)
• M3: 994,676 km (0.108 R)
• M4: 1,492,837 km (0.115 R)
• M5: 1,928,616 km (0.089 R)
• M6: 2,372,772 km (0.113 R)
• M7: 2,817,825 km (0.116 R)
• M8: 3,329,749 km (0.073 R)
• M9: 3,759,993 km (0.091 R)
• M10: 4,317,843 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 9.1

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.85 AU - 1.03 AU

Year: 618 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,781,393 km

• M1: 119,080 km (0.092 R)
• M2: 403,765 km (0.085 R)
• M3: 744,549 km (0.093 R)
• M4: 1,087,876 km (0.082 R)
• M5: 1,575,864 km (0.059 R)
• M6: 1,960,181 km (0.088 R)
• M7: 2,665,385 km (0.072 R)
• M8: 3,266,021 km (0.065 R)
• M9: 3,584,963 km (0.104 R)
• M10: 4,735,820 km (0.111 R)
• M11: 5,128,514 km (0.112 R)
• M12: 5,561,301 km (0.119 R)
• M13: 6,458,888 km (0.081 R)
• M14: 6,942,538 km (0.081 R)
• M15: 7,747,823 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.48 AU - 2.6 AU

Year: 2746 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,781,393 km

• M1: 127,158 km (0.046 R)
• M2: 494,421 km (0.075 R)
• M3: 823,387 km (0.047 R)
• M4: 1,149,660 km (0.114 R)
• M5: 1,468,303 km (0.051 R)
• M6: 2,019,122 km (0.105 R)
• M7: 2,532,692 km (0.085 R)
• M8: 2,866,295 km (0.111 R)
• M9: 3,245,825 km (0.049 R)
• M10: 4,068,164 km (0.061 R)
• M11: 4,425,703 km (0.073 R)
• M12: 5,250,137 km (0.094 R)
• M13: 5,796,917 km (0.071 R)
• M14: 6,486,863 km (0.034 R)
• M15: 6,948,671 km (0.057 R)
• M16: 7,519,986 km (0.06 R)
• M17: 7,999,447 km (0.062 R)
• M18: 8,467,389 km (0.103 R)
• M19: 9,321,593 km (0.046 R)
• M20: 9,945,865 km (0.095 R)
• M21: 11,550,452 km (0.06 R)
• M22: 13,537,859 km (0.034 R)
• M23: 14,889,925 km (0.067 R)
• M24: 16,182,002 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 15

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.61 AU - 3.17 AU

Year: 3332 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,781,393 km

• M1: 186,549 km (0.118 R)
• M2: 698,323 km (0.117 R)
• M3: 1,254,378 km (0.1 R)
• M4: 1,854,714 km (0.104 R)
• M5: 2,585,799 km (0.109 R)
• M6: 5,569,678 km (0.099 R)
• M7: 8,419,219 km (0.101 R)
• M8: 9,741,365 km (0.118 R)
• M9: 11,239,138 km (0.12 R)
• M10: 12,086,760 km (0.095 R)
• M11: 14,295,573 km (0.116 R)
• M12: 15,650,480 km (0.072 R)
• M13: 18,906,927 km (0.118 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 14.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.38 AU - 3.44 AU

Year: 4271 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,781,393 km

• M1: 182,809 km (0.098 R)
• M2: 658,380 km (0.083 R)
• M3: 1,118,094 km (0.115 R)
• M4: 1,685,519 km (0.044 R)
• M5: 2,294,682 km (0.082 R)
• M6: 2,959,794 km (0.106 R)
• M7: 3,466,482 km (0.073 R)
• M8: 4,097,635 km (0.072 R)
• M9: 5,931,406 km (0.059 R)
• M10: 6,650,523 km (0.114 R)
• M11: 8,263,637 km (0.049 R)
• M12: 9,475,679 km (0.117 R)
• M13: 10,124,784 km (0.082 R)
• M14: 10,760,126 km (0.112 R)
• M15: 11,421,947 km (0.04 R)
• M16: 12,017,347 km (0.11 R)
• M17: 14,715,793 km (0.086 R)
• M18: 20,008,566 km (0.111 R)
• M19: 25,357,437 km (0.049 R)
• M20: 25,900,777 km (0.066 R)
• M21: 26,690,355 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.5

Radius: 3

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.94 AU - 10.42 AU

Year: 17345 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,781,393 km

• M1: 37,250 km (0.077 R)
• M2: 156,031 km (0.078 R)
• M3: 870,959 km (0.104 R)
• M4: 1,206,656 km (0.036 R)
• M5: 1,635,554 km (0.108 R)
• M6: 3,702,248 km (0.059 R)
• M7: 3,841,374 km (0.092 R)
• M8: 4,279,995 km (0.087 R)
• M9: 5,581,048 km (0.109 R)
• M10: 5,888,322 km (0.086 R)
• M11: 6,174,503 km (0.08 R)
• M12: 8,012,013 km (0.076 R)
• M13: 9,608,073 km (0.075 R)
• M14: 10,688,917 km (0.109 R)
• M15: 13,142,173 km (0.12 R)
• M16: 14,584,745 km (0.114 R)
• M17: 15,523,023 km (0.118 R)
• M18: 15,884,900 km (0.087 R)
• M19: 32,780,633 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370

Radius: 7.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.25 AU - 10.55 AU

Year: 18008 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,781,393 km

• M1: 91,853 km (0.102 R)
• M2: 545,434 km (0.034 R)
• M3: 939,175 km (0.114 R)
• M4: 2,298,721 km (0.112 R)
• M5: 3,108,793 km (0.089 R)
• M6: 3,357,425 km (0.116 R)
• M7: 10,606,938 km (0.104 R)
• M8: 11,230,911 km (0.117 R)
• M9: 12,060,132 km (0.065 R)
• M10: 18,878,354 km (0.074 R)
• M11: 20,219,798 km (0.104 R)
• M12: 20,651,836 km (0.083 R)
• M13: 21,089,859 km (0.072 R)
• M14: 32,132,875 km (0.045 R)
• M15: 36,913,424 km (0.073 R)
• M16: 38,606,573 km (0.043 R)
• M17: 41,867,507 km (0.117 R)
• M18: 42,993,979 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit