🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 11.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,199,525 km

• M1: 144,212 km (0.11 R)
• M2: 505,042 km (0.075 R)
• M3: 1,027,887 km (0.064 R)
• M4: 1,471,744 km (0.092 R)
• M5: 1,976,637 km (0.086 R)
• M6: 2,438,146 km (0.118 R)
• M7: 3,020,830 km (0.05 R)
• M8: 3,470,371 km (0.072 R)
• M9: 4,452,930 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.6

Radius: 8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.85 AU - 0.97 AU

Year: 569 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,199,525 km

• M1: 101,278 km (0.076 R)
• M2: 360,980 km (0.068 R)
• M3: 685,009 km (0.049 R)
• M4: 1,316,461 km (0.105 R)
• M5: 1,707,510 km (0.106 R)
• M6: 2,165,728 km (0.113 R)
• M7: 2,683,187 km (0.06 R)
• M8: 4,503,195 km (0.113 R)
• M9: 4,904,716 km (0.107 R)
• M10: 5,153,647 km (0.105 R)
• M11: 5,576,560 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 10.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.02 AU - 3.04 AU

Year: 2640 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,199,525 km

• M1: 136,882 km (0.113 R)
• M2: 1,078,451 km (0.076 R)
• M3: 1,540,708 km (0.12 R)
• M4: 2,238,732 km (0.054 R)
• M5: 2,768,159 km (0.118 R)
• M6: 3,158,909 km (0.043 R)
• M7: 4,038,993 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383

Radius: 8.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.09 AU - 4.17 AU

Year: 5506 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,199,525 km

• M1: 108,159 km (0.109 R)
• M2: 633,996 km (0.105 R)
• M3: 2,051,585 km (0.049 R)
• M4: 2,531,645 km (0.11 R)
• M5: 3,029,955 km (0.087 R)
• M6: 3,410,532 km (0.097 R)
• M7: 4,384,863 km (0.117 R)
• M8: 5,673,200 km (0.075 R)
• M9: 7,464,485 km (0.11 R)
• M10: 8,161,312 km (0.108 R)
• M11: 9,563,941 km (0.103 R)
• M12: 12,169,338 km (0.116 R)
• M13: 12,597,188 km (0.055 R)
• M14: 12,936,925 km (0.085 R)
• M15: 16,737,010 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 11.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.43 AU - 6.69 AU

Year: 8600 Days

Day: 5.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,199,525 km

• M1: 140,921 km (0.091 R)
• M2: 501,003 km (0.084 R)
• M3: 957,726 km (0.046 R)
• M4: 1,824,047 km (0.115 R)
• M5: 3,241,337 km (0.079 R)
• M6: 4,061,283 km (0.114 R)
• M7: 5,384,327 km (0.07 R)
• M8: 6,041,809 km (0.065 R)
• M9: 6,569,441 km (0.115 R)
• M10: 7,013,447 km (0.12 R)
• M11: 8,467,389 km (0.064 R)
• M12: 8,994,123 km (0.105 R)
• M13: 10,161,735 km (0.096 R)
• M14: 11,166,434 km (0.081 R)
• M15: 12,739,455 km (0.099 R)
• M16: 20,057,185 km (0.098 R)
• M17: 20,444,195 km (0.118 R)
• M18: 20,836,141 km (0.097 R)
• M19: 22,537,368 km (0.116 R)
• M20: 29,970,886 km (0.106 R)
• M21: 33,634,688 km (0.049 R)
• M22: 38,294,213 km (0.084 R)
• M23: 38,890,210 km (0.12 R)
• M24: 40,715,903 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.6

Radius: 6.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.14 AU - 6.56 AU

Year: 10497 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,199,525 km

• M1: 79,586 km (0.111 R)
• M2: 332,855 km (0.119 R)
• M3: 569,968 km (0.084 R)
• M4: 771,775 km (0.114 R)
• M5: 1,423,125 km (0.059 R)
• M6: 2,407,628 km (0.096 R)
• M7: 3,892,387 km (0.117 R)
• M8: 4,277,901 km (0.052 R)
• M9: 5,449,402 km (0.11 R)
• M10: 5,787,343 km (0.095 R)
• M11: 7,760,240 km (0.079 R)
• M12: 8,008,124 km (0.037 R)
• M13: 8,297,595 km (0.11 R)
• M14: 8,707,194 km (0.104 R)
• M15: 9,247,991 km (0.119 R)
• M16: 9,769,788 km (0.092 R)
• M17: 10,226,510 km (0.104 R)
• M18: 16,173,475 km (0.095 R)
• M19: 18,265,002 km (0.11 R)
• M20: 22,116,998 km (0.03 R)
• M21: 23,341,008 km (0.115 R)
• M22: 25,454,377 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.9

Radius: 4

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.82 AU - 9.56 AU

Year: 15376 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 128.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,199,525 km

• M1: 56,847 km (0.069 R)
• M2: 609,911 km (0.072 R)
• M3: 988,992 km (0.118 R)
• M4: 1,137,692 km (0.104 R)
• M5: 2,028,098 km (0.094 R)
• M6: 2,347,939 km (0.114 R)
• M7: 2,744,074 km (0.059 R)
• M8: 3,483,985 km (0.076 R)
• M9: 3,667,841 km (0.12 R)
• M10: 6,066,194 km (0.047 R)
• M11: 8,562,833 km (0.11 R)
• M12: 9,242,306 km (0.1 R)
• M13: 9,595,058 km (0.104 R)
• M14: 12,140,914 km (0.095 R)
• M15: 13,827,331 km (0.073 R)
• M16: 14,896,956 km (0.059 R)
• M17: 16,382,912 km (0.118 R)
• M18: 19,728,518 km (0.062 R)
• M19: 20,144,849 km (0.104 R)
• M20: 24,348,849 km (0.04 R)
• M21: 25,215,469 km (0.084 R)
• M22: 26,002,952 km (0.117 R)
• M23: 30,297,010 km (0.096 R)
• M24: 31,074,470 km (0.088 R)
• M25: 33,134,432 km (0.094 R)
• M26: 36,020,325 km (0.052 R)
• M27: 39,069,279 km (0.1 R)
• M28: 47,286,241 km (0.084 R)
• M29: 47,732,342 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.6

Radius: 4.3

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.28 AU - 9.16 AU

Year: 16892 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,199,525 km

• M1: 54,005 km (0.101 R)
• M2: 395,986 km (0.081 R)
• M3: 651,499 km (0.106 R)
• M4: 1,020,856 km (0.043 R)
• M5: 1,434,195 km (0.101 R)
• M6: 1,574,966 km (0.059 R)
• M7: 2,750,207 km (0.102 R)
• M8: 4,326,221 km (0.099 R)
• M9: 5,058,951 km (0.114 R)
• M10: 6,649,775 km (0.081 R)
• M11: 7,878,572 km (0.102 R)
• M12: 12,696,820 km (0.114 R)
• M13: 15,438,500 km (0.092 R)
• M14: 16,623,166 km (0.081 R)
• M15: 18,627,328 km (0.045 R)
• M16: 19,727,471 km (0.111 R)
• M17: 20,457,060 km (0.117 R)
• M18: 22,841,800 km (0.049 R)
• M19: 24,747,377 km (0.097 R)
• M20: 28,053,042 km (0.105 R)
• M21: 28,871,491 km (0.11 R)
• M22: 29,495,763 km (0.07 R)
• M23: 37,825,971 km (0.104 R)
• M24: 38,447,850 km (0.051 R)
• M25: 43,807,044 km (0.06 R)
• M26: 47,884,483 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 16,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit