🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 12.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.59 AU - 0.81 AU

Year: 412 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,827,073 km

• M1: 150,645 km (0.065 R)
• M2: 530,324 km (0.064 R)
• M3: 1,024,297 km (0.1 R)
• M4: 1,456,485 km (0.1 R)
• M5: 2,640,253 km (0.084 R)
• M6: 3,115,226 km (0.077 R)
• M7: 4,277,901 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 11.1

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.82 AU - 0.82 AU

Year: 522 Days

Day: 11.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,827,073 km

• M1: 138,378 km (0.11 R)
• M2: 544,237 km (0.105 R)
• M3: 916,137 km (0.067 R)
• M4: 1,329,626 km (0.102 R)
• M5: 1,743,713 km (0.032 R)
• M6: 2,280,620 km (0.117 R)
• M7: 2,711,910 km (0.1 R)
• M8: 3,105,053 km (0.112 R)
• M9: 3,766,725 km (0.096 R)
• M10: 4,173,631 km (0.116 R)
• M11: 4,520,100 km (0.105 R)
• M12: 4,886,016 km (0.074 R)
• M13: 5,505,950 km (0.041 R)
• M14: 6,031,786 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.6

Radius: 14.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.4 AU - 1.76 AU

Year: 1396 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,827,073 km

• M1: 181,612 km (0.045 R)
• M2: 1,123,779 km (0.107 R)
• M3: 1,614,161 km (0.107 R)
• M4: 2,217,190 km (0.053 R)
• M5: 2,821,865 km (0.092 R)
• M6: 3,413,973 km (0.094 R)
• M7: 4,947,950 km (0.031 R)
• M8: 7,354,830 km (0.061 R)
• M9: 8,457,216 km (0.114 R)
• M10: 10,169,663 km (0.109 R)
• M11: 10,989,759 km (0.051 R)
• M12: 11,572,293 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 14

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.24 AU - 3.4 AU

Year: 3329 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,827,073 km

• M1: 174,132 km (0.106 R)
• M2: 723,904 km (0.079 R)
• M3: 1,180,028 km (0.118 R)
• M4: 1,753,885 km (0.1 R)
• M5: 4,044,079 km (0.065 R)
• M6: 5,024,544 km (0.062 R)
• M7: 5,744,558 km (0.108 R)
• M8: 6,983,677 km (0.091 R)
• M9: 8,220,852 km (0.058 R)
• M10: 8,928,450 km (0.113 R)
• M11: 10,546,799 km (0.091 R)
• M12: 13,140,228 km (0.076 R)
• M13: 13,618,642 km (0.111 R)
• M14: 16,571,704 km (0.097 R)
• M15: 18,883,590 km (0.055 R)
• M16: 21,600,586 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.6

Radius: 6.2

Gravity: 22.8 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.31 AU - 7.57 AU

Year: 11488 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,827,073 km

• M1: 77,193 km (0.103 R)
• M2: 319,391 km (0.11 R)
• M3: 967,749 km (0.106 R)
• M4: 1,199,177 km (0.11 R)
• M5: 2,941,244 km (0.118 R)
• M6: 4,180,961 km (0.119 R)
• M7: 4,899,929 km (0.07 R)
• M8: 6,540,269 km (0.031 R)
• M9: 8,046,271 km (0.09 R)
• M10: 12,889,203 km (0.111 R)
• M11: 18,803,555 km (0.082 R)
• M12: 20,652,435 km (0.035 R)
• M13: 23,083,101 km (0.092 R)
• M14: 26,202,965 km (0.073 R)
• M15: 26,921,034 km (0.109 R)
• M16: 28,611,640 km (0.104 R)
• M17: 28,827,809 km (0.091 R)
• M18: 36,208,669 km (0.095 R)
• M19: 38,791,775 km (0.12 R)
• M20: 42,189,891 km (0.067 R)
• M21: 45,486,729 km (0.075 R)
• M22: 55,220,912 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.7

Radius: 3.1

Gravity: 95.6 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.48 AU - 8.98 AU

Year: 16596 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,827,073 km

• M1: 38,596 km (0.108 R)
• M2: 216,767 km (0.078 R)
• M3: 359,334 km (0.1 R)
• M4: 538,552 km (0.077 R)
• M5: 1,114,355 km (0.114 R)
• M6: 1,310,328 km (0.066 R)
• M7: 1,480,121 km (0.109 R)
• M8: 1,734,887 km (0.115 R)
• M9: 2,331,333 km (0.042 R)
• M10: 2,557,376 km (0.119 R)
• M11: 4,994,774 km (0.108 R)
• M12: 8,751,475 km (0.092 R)
• M13: 10,451,805 km (0.034 R)
• M14: 11,126,641 km (0.09 R)
• M15: 12,226,036 km (0.11 R)
• M16: 12,427,394 km (0.112 R)
• M17: 15,171,318 km (0.026 R)
• M18: 15,403,794 km (0.107 R)
• M19: 16,035,097 km (0.076 R)
• M20: 16,438,412 km (0.119 R)
• M21: 18,119,145 km (0.089 R)
• M22: 19,635,020 km (0.058 R)
• M23: 22,713,894 km (0.115 R)
• M24: 23,222,227 km (0.119 R)
• M25: 23,842,310 km (0.104 R)
• M26: 24,261,783 km (0.067 R)
• M27: 24,473,314 km (0.092 R)
• M28: 28,377,519 km (0.097 R)
• M29: 29,205,095 km (0.111 R)
• M30: 36,413,767 km (0.067 R)
• M31: 37,672,783 km (0.088 R)
• M32: 40,871,933 km (0.115 R)
• M33: 42,537,407 km (0.11 R)
• M34: 45,680,308 km (0.083 R)
• M35: 54,207,237 km (0.109 R)
• M36: 54,387,802 km (0.108 R)
• M37: 54,750,128 km (0.119 R)
• M38: 56,957,893 km (0.056 R)
• M39: 58,083,767 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.7

Radius: 6.4

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.75 AU - 10.23 AU

Year: 17389 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,827,073 km

• M1: 80,783 km (0.095 R)
• M2: 289,173 km (0.065 R)
• M3: 558,598 km (0.12 R)
• M4: 960,418 km (0.111 R)
• M5: 1,402,929 km (0.1 R)
• M6: 1,992,045 km (0.097 R)
• M7: 3,618,623 km (0.06 R)
• M8: 4,157,624 km (0.116 R)
• M9: 4,612,701 km (0.099 R)
• M10: 4,957,823 km (0.094 R)
• M11: 7,126,394 km (0.116 R)
• M12: 10,606,938 km (0.037 R)
• M13: 11,086,249 km (0.068 R)
• M14: 14,707,415 km (0.056 R)
• M15: 15,915,269 km (0.085 R)
• M16: 17,932,895 km (0.102 R)
• M17: 19,046,651 km (0.081 R)
• M18: 20,296,841 km (0.114 R)
• M19: 23,458,442 km (0.094 R)
• M20: 26,386,372 km (0.105 R)
• M21: 28,850,997 km (0.114 R)
• M22: 30,377,344 km (0.111 R)
• M23: 31,465,070 km (0.114 R)
• M24: 33,208,334 km (0.114 R)
• M25: 39,105,033 km (0.114 R)
• M26: 42,448,396 km (0.096 R)
• M27: 44,266,010 km (0.079 R)
• M28: 45,038,533 km (0.063 R)
• M29: 57,180,196 km (0.089 R)
• M30: 63,603,031 km (0.085 R)
• M31: 65,181,139 km (0.101 R)
• M32: 65,979,842 km (0.102 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: 524 - 15,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit