🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 8.7

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.51 AU - 0.79 AU

Year: 362 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,591,324 km

• M1: 108,159 km (0.041 R)
• M2: 381,923 km (0.103 R)
• M3: 970,591 km (0.071 R)
• M4: 1,744,162 km (0.112 R)
• M5: 2,123,991 km (0.112 R)
• M6: 2,425,879 km (0.074 R)
• M7: 2,746,467 km (0.06 R)
• M8: 3,309,254 km (0.11 R)
• M9: 3,655,424 km (0.091 R)
• M10: 3,999,200 km (0.055 R)
• M11: 4,309,167 km (0.096 R)
• M12: 4,977,420 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 13.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.59 AU - 0.97 AU

Year: 476 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,591,324 km

• M1: 170,392 km (0.087 R)
• M2: 810,372 km (0.086 R)
• M3: 1,250,040 km (0.084 R)
• M4: 1,705,117 km (0.088 R)
• M5: 2,168,571 km (0.097 R)
• M6: 2,829,943 km (0.079 R)
• M7: 3,578,082 km (0.031 R)
• M8: 4,260,847 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 13

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.95 AU - 1.51 AU

Year: 942 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,591,324 km

• M1: 161,865 km (0.109 R)
• M2: 608,415 km (0.112 R)
• M3: 1,421,778 km (0.092 R)
• M4: 1,922,482 km (0.103 R)
• M5: 3,228,322 km (0.113 R)
• M6: 3,643,007 km (0.074 R)
• M7: 5,782,706 km (0.077 R)
• M8: 6,633,918 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 9.8

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.44 AU - 1.54 AU

Year: 1255 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,591,324 km

• M1: 145,409 km (0.092 R)
• M2: 468,690 km (0.094 R)
• M3: 854,204 km (0.055 R)
• M4: 1,217,128 km (0.096 R)
• M5: 1,610,122 km (0.1 R)
• M6: 2,109,330 km (0.119 R)
• M7: 2,432,312 km (0.08 R)
• M8: 3,449,876 km (0.109 R)
• M9: 3,986,484 km (0.115 R)
• M10: 4,410,893 km (0.061 R)
• M11: 5,165,016 km (0.097 R)
• M12: 6,804,758 km (0.097 R)
• M13: 10,115,958 km (0.11 R)

Asteroid Belt

Center: 2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 9.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.34 AU - 2.68 AU

Year: 2745 Days

Day: 7.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,591,324 km

• M1: 124,765 km (0.069 R)
• M2: 655,538 km (0.118 R)
• M3: 1,701,077 km (0.101 R)
• M4: 2,112,322 km (0.037 R)
• M5: 2,458,342 km (0.062 R)
• M6: 3,252,856 km (0.086 R)
• M7: 4,711,585 km (0.106 R)
• M8: 5,216,777 km (0.065 R)
• M9: 6,212,800 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 9.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.95 AU - 3.11 AU

Year: 2778 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,591,324 km

• M1: 113,694 km (0.048 R)
• M2: 485,894 km (0.056 R)
• M3: 871,408 km (0.086 R)
• M4: 1,185,713 km (0.078 R)
• M5: 1,507,348 km (0.112 R)
• M6: 2,305,004 km (0.107 R)
• M7: 2,592,980 km (0.083 R)
• M8: 3,062,418 km (0.102 R)
• M9: 3,659,762 km (0.118 R)
• M10: 4,353,148 km (0.056 R)
• M11: 5,086,028 km (0.107 R)
• M12: 6,127,678 km (0.084 R)
• M13: 6,767,808 km (0.097 R)
• M14: 7,689,630 km (0.087 R)
• M15: 8,212,325 km (0.103 R)
• M16: 9,816,762 km (0.049 R)
• M17: 10,212,149 km (0.071 R)
• M18: 10,919,897 km (0.072 R)
• M19: 11,940,902 km (0.051 R)
• M20: 12,350,202 km (0.093 R)
• M21: 13,283,543 km (0.029 R)
• M22: 13,722,912 km (0.12 R)
• M23: 14,354,514 km (0.113 R)
• M24: 14,817,370 km (0.078 R)
• M25: 15,433,863 km (0.117 R)
• M26: 15,724,083 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.6

Radius: 3.7

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.26 AU - 8.3 AU

Year: 16446 Days

Day: 17.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,591,324 km

• M1: 46,076 km (0.045 R)
• M2: 291,417 km (0.054 R)
• M3: 429,196 km (0.043 R)
• M4: 671,246 km (0.091 R)
• M5: 879,187 km (0.085 R)
• M6: 2,741,979 km (0.09 R)
• M7: 3,561,776 km (0.109 R)
• M8: 4,164,057 km (0.055 R)
• M9: 5,016,765 km (0.119 R)
• M10: 12,916,280 km (0.12 R)
• M11: 13,093,853 km (0.119 R)
• M12: 13,213,232 km (0.098 R)
• M13: 18,305,843 km (0.076 R)
• M14: 22,116,400 km (0.112 R)
• M15: 23,058,417 km (0.051 R)
• M16: 24,205,983 km (0.12 R)
• M17: 31,792,240 km (0.112 R)
• M18: 33,993,423 km (0.096 R)
• M19: 34,445,658 km (0.043 R)
• M20: 37,482,644 km (0.094 R)
• M21: 38,574,110 km (0.092 R)
• M22: 40,693,314 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.6

Radius: 3.6

Gravity: 70.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.7 AU - 11.12 AU

Year: 23184 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,591,324 km

• M1: 44,879 km (0.113 R)
• M2: 189,241 km (0.078 R)
• M3: 350,957 km (0.028 R)
• M4: 523,892 km (0.102 R)
• M5: 1,043,744 km (0.064 R)
• M6: 1,156,092 km (0.113 R)
• M7: 1,308,233 km (0.096 R)
• M8: 1,846,187 km (0.039 R)
• M9: 2,033,185 km (0.056 R)
• M10: 3,370,590 km (0.109 R)
• M11: 3,555,343 km (0.027 R)
• M12: 3,779,291 km (0.09 R)
• M13: 3,978,855 km (0.097 R)
• M14: 5,791,831 km (0.109 R)
• M15: 6,611,627 km (0.105 R)
• M16: 6,901,399 km (0.08 R)
• M17: 7,351,688 km (0.115 R)
• M18: 7,715,211 km (0.116 R)
• M19: 8,366,111 km (0.109 R)
• M20: 8,994,273 km (0.112 R)
• M21: 10,472,749 km (0.116 R)
• M22: 11,269,507 km (0.092 R)
• M23: 11,963,641 km (0.097 R)
• M24: 12,685,750 km (0.112 R)
• M25: 13,822,843 km (0.076 R)
• M26: 14,861,800 km (0.059 R)
• M27: 15,442,240 km (0.109 R)
• M28: 17,638,786 km (0.063 R)
• M29: 18,859,205 km (0.111 R)
• M30: 19,736,447 km (0.055 R)
• M31: 20,538,740 km (0.08 R)
• M32: 23,853,231 km (0.107 R)
• M33: 27,754,893 km (0.054 R)
• M34: 35,021,161 km (0.072 R)
• M35: 38,621,233 km (0.108 R)
• M36: 47,428,659 km (0.094 R)
• M37: 47,784,851 km (0.077 R)
• M38: 49,045,812 km (0.032 R)
• M39: 49,410,232 km (0.117 R)
• M40: 53,923,749 km (0.087 R)
• M41: 66,615,633 km (0.098 R)
• M42: 73,290,989 km (0.086 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit