🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 8.2

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 7 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,522,372 km

• M1: 102,026 km (0.11 R)
• M2: 424,260 km (0.113 R)
• M3: 704,756 km (0.097 R)
• M4: 962,961 km (0.073 R)
• M5: 1,501,813 km (0.093 R)
• M6: 1,882,839 km (0.083 R)
• M7: 2,236,638 km (0.044 R)
• M8: 2,508,457 km (0.062 R)
• M9: 3,171,026 km (0.099 R)
• M10: 3,449,278 km (0.1 R)
• M11: 3,969,579 km (0.079 R)
• M12: 4,267,878 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.4

Radius: 12.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 7.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,522,372 km

• M1: 153,039 km (0.098 R)
• M2: 578,944 km (0.091 R)
• M3: 1,058,854 km (0.056 R)
• M4: 1,524,552 km (0.119 R)
• M5: 1,907,672 km (0.084 R)
• M6: 2,390,424 km (0.118 R)
• M7: 3,338,725 km (0.048 R)
• M8: 3,997,106 km (0.117 R)
• M9: 4,658,029 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 13.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.9 AU - 1.38 AU

Year: 812 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,522,372 km

• M1: 165,455 km (0.099 R)
• M2: 660,774 km (0.109 R)
• M3: 1,171,202 km (0.101 R)
• M4: 1,879,548 km (0.096 R)
• M5: 2,303,209 km (0.087 R)
• M6: 3,980,500 km (0.087 R)
• M7: 4,822,138 km (0.045 R)
• M8: 5,501,312 km (0.109 R)
• M9: 5,931,256 km (0.116 R)
• M10: 6,816,876 km (0.047 R)
• M11: 7,537,489 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 13.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.29 AU - 1.79 AU

Year: 1274 Days

Day: 6.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,522,372 km

• M1: 165,455 km (0.118 R)
• M2: 597,344 km (0.104 R)
• M3: 1,150,258 km (0.056 R)
• M4: 1,616,555 km (0.08 R)
• M5: 2,242,023 km (0.117 R)
• M6: 3,194,363 km (0.058 R)
• M7: 4,079,534 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275

Radius: 9.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.1 AU - 2.74 AU

Year: 2510 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,522,372 km

• M1: 120,576 km (0.045 R)
• M2: 599,588 km (0.061 R)
• M3: 910,602 km (0.119 R)
• M4: 1,229,844 km (0.081 R)
• M5: 1,682,826 km (0.092 R)
• M6: 2,956,802 km (0.042 R)
• M7: 3,397,517 km (0.033 R)
• M8: 4,149,845 km (0.118 R)
• M9: 4,604,772 km (0.067 R)
• M10: 5,220,068 km (0.113 R)
• M11: 5,889,369 km (0.069 R)
• M12: 6,792,192 km (0.108 R)
• M13: 7,236,797 km (0.047 R)
• M14: 9,434,839 km (0.108 R)
• M15: 9,988,949 km (0.102 R)
• M16: 10,738,135 km (0.082 R)
• M17: 11,560,923 km (0.112 R)
• M18: 12,348,407 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 13.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.41 AU - 2.73 AU

Year: 2747 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,522,372 km

• M1: 189,840 km (0.043 R)
• M2: 819,198 km (0.088 R)
• M3: 1,525,749 km (0.091 R)
• M4: 2,396,109 km (0.096 R)
• M5: 3,575,539 km (0.06 R)
• M6: 4,490,330 km (0.067 R)
• M7: 4,991,782 km (0.108 R)
• M8: 5,555,766 km (0.107 R)
• M9: 6,989,362 km (0.115 R)
• M10: 7,539,134 km (0.039 R)
• M11: 10,263,611 km (0.101 R)
• M12: 10,734,395 km (0.067 R)
• M13: 11,426,285 km (0.096 R)
• M14: 13,728,447 km (0.109 R)
• M15: 15,038,625 km (0.084 R)
• M16: 16,430,633 km (0.064 R)
• M17: 17,295,159 km (0.117 R)
• M18: 18,019,662 km (0.084 R)
• M19: 20,623,114 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 9.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.91 AU - 4.13 AU

Year: 4404 Days

Day: 7.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,522,372 km

• M1: 118,182 km (0.066 R)
• M2: 542,143 km (0.079 R)
• M3: 868,116 km (0.094 R)
• M4: 1,204,263 km (0.103 R)
• M5: 1,987,109 km (0.095 R)
• M6: 2,368,284 km (0.068 R)
• M7: 2,952,613 km (0.106 R)
• M8: 7,152,873 km (0.056 R)
• M9: 7,611,390 km (0.09 R)
• M10: 8,054,798 km (0.066 R)
• M11: 8,551,463 km (0.028 R)
• M12: 8,955,826 km (0.09 R)
• M13: 11,259,783 km (0.109 R)
• M14: 13,192,288 km (0.093 R)
• M15: 14,135,204 km (0.059 R)
• M16: 16,099,573 km (0.086 R)
• M17: 17,350,211 km (0.082 R)
• M18: 17,880,087 km (0.112 R)
• M19: 19,034,085 km (0.086 R)
• M20: 19,408,678 km (0.097 R)
• M21: 19,851,937 km (0.117 R)
• M22: 20,237,151 km (0.106 R)
• M23: 21,964,558 km (0.057 R)
• M24: 22,515,228 km (0.095 R)
• M25: 24,222,738 km (0.04 R)
• M26: 24,589,103 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.4

Radius: 5.9

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.53 AU - 9.35 AU

Year: 17825 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 67.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,522,372 km

• M1: 76,145 km (0.105 R)
• M2: 321,935 km (0.057 R)
• M3: 1,077,254 km (0.11 R)
• M4: 2,270,896 km (0.085 R)
• M5: 2,601,058 km (0.051 R)
• M6: 3,230,267 km (0.101 R)
• M7: 4,466,095 km (0.081 R)
• M8: 6,141,890 km (0.109 R)
• M9: 6,578,118 km (0.1 R)
• M10: 7,467,776 km (0.063 R)
• M11: 8,531,417 km (0.093 R)
• M12: 17,418,129 km (0.098 R)
• M13: 18,860,701 km (0.077 R)
• M14: 29,776,409 km (0.113 R)
• M15: 31,483,021 km (0.107 R)
• M16: 43,830,531 km (0.104 R)
• M17: 51,787,043 km (0.103 R)
• M18: 56,274,231 km (0.083 R)
• M19: 56,616,661 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.7

Radius: 7.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.53 AU - 11.99 AU

Year: 23537 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,522,372 km

• M1: 91,255 km (0.063 R)
• M2: 460,313 km (0.044 R)
• M3: 836,102 km (0.06 R)
• M4: 1,272,180 km (0.093 R)
• M5: 1,990,400 km (0.106 R)
• M6: 2,638,607 km (0.093 R)
• M7: 2,976,399 km (0.082 R)
• M8: 4,625,267 km (0.114 R)
• M9: 11,647,690 km (0.111 R)
• M10: 12,188,487 km (0.114 R)
• M11: 21,083,576 km (0.107 R)
• M12: 30,274,420 km (0.111 R)
• M13: 31,988,961 km (0.1 R)
• M14: 43,084,785 km (0.106 R)
• M15: 52,831,984 km (0.061 R)
• M16: 55,143,870 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 15,610 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit