🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 11.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 6.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,923,151 km

• M1: 139,276 km (0.082 R)
• M2: 496,067 km (0.07 R)
• M3: 892,202 km (0.036 R)
• M4: 1,267,842 km (0.105 R)
• M5: 1,676,095 km (0.078 R)
• M6: 2,061,159 km (0.119 R)
• M7: 3,353,535 km (0.089 R)
• M8: 3,706,886 km (0.036 R)
• M9: 4,161,514 km (0.085 R)
• M10: 4,598,339 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 14.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.74 AU - 2.94 AU

Year: 3192 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,923,151 km

• M1: 182,659 km (0.105 R)
• M2: 1,360,293 km (0.061 R)
• M3: 1,982,621 km (0.108 R)
• M4: 2,518,031 km (0.097 R)
• M5: 3,051,797 km (0.044 R)
• M6: 5,232,784 km (0.114 R)
• M7: 7,108,143 km (0.078 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.2

Radius: 6.2

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.34 AU - 6.78 AU

Year: 11204 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,923,151 km

• M1: 77,043 km (0.053 R)
• M2: 403,765 km (0.041 R)
• M3: 610,359 km (0.111 R)
• M4: 969,394 km (0.07 R)
• M5: 1,240,017 km (0.101 R)
• M6: 1,725,013 km (0.103 R)
• M7: 2,367,536 km (0.028 R)
• M8: 2,951,566 km (0.056 R)
• M9: 3,229,668 km (0.117 R)
• M10: 4,986,247 km (0.079 R)
• M11: 5,314,165 km (0.036 R)
• M12: 5,621,589 km (0.115 R)
• M13: 6,422,835 km (0.07 R)
• M14: 6,930,869 km (0.065 R)
• M15: 8,204,845 km (0.095 R)
• M16: 8,755,814 km (0.071 R)
• M17: 10,136,602 km (0.119 R)
• M18: 11,430,773 km (0.115 R)
• M19: 11,770,809 km (0.101 R)
• M20: 19,343,005 km (0.044 R)
• M21: 20,152,329 km (0.12 R)
• M22: 20,732,171 km (0.1 R)
• M23: 21,408,502 km (0.088 R)
• M24: 21,751,979 km (0.109 R)
• M25: 27,660,197 km (0.078 R)
• M26: 30,381,682 km (0.104 R)
• M27: 33,391,442 km (0.093 R)
• M28: 34,437,280 km (0.073 R)
• M29: 34,790,780 km (0.113 R)
• M30: 40,386,488 km (0.078 R)
• M31: 41,706,540 km (0.111 R)
• M32: 43,465,213 km (0.071 R)
• M33: 44,016,181 km (0.104 R)
• M34: 45,555,394 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.4

Radius: 6.2

Gravity: 20.85 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.27 AU - 7.61 AU

Year: 12192 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,923,151 km

• M1: 77,043 km (0.119 R)
• M2: 283,338 km (0.086 R)
• M3: 490,980 km (0.091 R)
• M4: 863,030 km (0.109 R)
• M5: 1,287,290 km (0.027 R)
• M6: 1,792,033 km (0.111 R)
• M7: 1,998,927 km (0.108 R)
• M8: 4,496,014 km (0.115 R)
• M9: 4,750,331 km (0.098 R)
• M10: 5,322,692 km (0.059 R)
• M11: 7,623,507 km (0.048 R)
• M12: 8,077,986 km (0.063 R)
• M13: 9,759,167 km (0.113 R)
• M14: 11,135,168 km (0.089 R)
• M15: 12,080,776 km (0.088 R)
• M16: 14,677,346 km (0.115 R)
• M17: 15,958,652 km (0.075 R)
• M18: 17,390,154 km (0.096 R)
• M19: 18,337,258 km (0.092 R)
• M20: 23,027,151 km (0.116 R)
• M21: 23,593,080 km (0.088 R)
• M22: 23,975,452 km (0.104 R)
• M23: 26,459,525 km (0.108 R)
• M24: 29,771,472 km (0.072 R)
• M25: 31,353,769 km (0.093 R)
• M26: 32,872,636 km (0.104 R)
• M27: 40,113,173 km (0.088 R)
• M28: 40,521,276 km (0.051 R)
• M29: 45,636,326 km (0.117 R)
• M30: 52,614,170 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.3

Radius: 6

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.27 AU - 8.41 AU

Year: 13261 Days

Day: 18.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,923,151 km

• M1: 74,649 km (0.116 R)
• M2: 295,157 km (0.093 R)
• M3: 503,846 km (0.117 R)
• M4: 1,103,284 km (0.105 R)
• M5: 1,487,302 km (0.085 R)
• M6: 1,695,243 km (0.088 R)
• M7: 1,991,148 km (0.05 R)
• M8: 3,209,473 km (0.042 R)
• M9: 3,906,748 km (0.105 R)
• M10: 4,607,166 km (0.067 R)
• M11: 4,794,761 km (0.071 R)
• M12: 5,118,641 km (0.06 R)
• M13: 6,292,236 km (0.087 R)
• M14: 6,921,295 km (0.094 R)
• M15: 8,167,296 km (0.056 R)
• M16: 9,657,141 km (0.118 R)
• M17: 11,662,052 km (0.078 R)
• M18: 12,307,716 km (0.099 R)
• M19: 12,730,928 km (0.093 R)
• M20: 15,337,522 km (0.111 R)
• M21: 16,912,787 km (0.09 R)
• M22: 19,554,686 km (0.05 R)
• M23: 20,130,787 km (0.049 R)
• M24: 21,144,761 km (0.085 R)
• M25: 21,490,183 km (0.052 R)
• M26: 28,578,579 km (0.1 R)
• M27: 31,622,447 km (0.093 R)
• M28: 38,089,862 km (0.061 R)
• M29: 39,246,852 km (0.088 R)
• M30: 39,637,751 km (0.1 R)
• M31: 41,901,765 km (0.027 R)
• M32: 42,858,593 km (0.11 R)
• M33: 46,540,047 km (0.114 R)
• M34: 47,565,989 km (0.1 R)
• M35: 49,208,574 km (0.098 R)
• M36: 50,273,412 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 15,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit