🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.1

Radius: 12.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.51 AU - 0.71 AU

Year: 318 Days

Day: 8.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,238,095 km

• M1: 151,842 km (0.106 R)
• M2: 561,441 km (0.065 R)
• M3: 984,803 km (0.118 R)
• M4: 1,402,779 km (0.076 R)
• M5: 1,833,023 km (0.038 R)
• M6: 2,335,223 km (0.078 R)
• M7: 2,735,995 km (0.053 R)
• M8: 3,429,980 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 11.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.75 AU - 0.91 AU

Year: 504 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,238,095 km

• M1: 146,756 km (0.032 R)
• M2: 540,497 km (0.112 R)
• M3: 953,986 km (0.052 R)
• M4: 1,458,430 km (0.094 R)
• M5: 2,193,703 km (0.113 R)
• M6: 2,662,992 km (0.072 R)
• M7: 3,079,023 km (0.049 R)
• M8: 3,792,156 km (0.116 R)
• M9: 4,488,535 km (0.096 R)
• M10: 5,727,354 km (0.111 R)
• M11: 6,644,988 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 12.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.76 AU - 2.84 AU

Year: 2326 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,238,095 km

• M1: 156,330 km (0.111 R)
• M2: 694,134 km (0.118 R)
• M3: 1,184,666 km (0.089 R)
• M4: 1,593,367 km (0.055 R)
• M5: 2,326,845 km (0.094 R)
• M6: 3,452,868 km (0.089 R)
• M7: 3,882,364 km (0.113 R)
• M8: 4,705,900 km (0.102 R)
• M9: 5,436,536 km (0.062 R)
• M10: 5,948,909 km (0.094 R)
• M11: 6,856,669 km (0.094 R)
• M12: 7,427,684 km (0.083 R)
• M13: 8,449,886 km (0.067 R)
• M14: 9,203,560 km (0.068 R)
• M15: 9,596,853 km (0.119 R)
• M16: 12,237,555 km (0.081 R)
• M17: 12,794,507 km (0.086 R)
• M18: 14,700,085 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 13.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.32 AU - 2.48 AU

Year: 2479 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,238,095 km

• M1: 165,605 km (0.065 R)
• M2: 636,240 km (0.098 R)
• M3: 1,148,313 km (0.118 R)
• M4: 1,593,517 km (0.12 R)
• M5: 2,081,954 km (0.052 R)
• M6: 3,085,905 km (0.082 R)
• M7: 3,508,968 km (0.101 R)
• M8: 4,686,752 km (0.116 R)
• M9: 5,367,272 km (0.062 R)
• M10: 6,165,078 km (0.047 R)
• M11: 6,675,207 km (0.119 R)
• M12: 7,155,416 km (0.114 R)
• M13: 7,658,813 km (0.055 R)
• M14: 8,736,815 km (0.1 R)
• M15: 9,913,552 km (0.119 R)
• M16: 11,630,187 km (0.113 R)
• M17: 12,327,762 km (0.098 R)
• M18: 14,125,181 km (0.11 R)
• M19: 15,207,072 km (0.111 R)
• M20: 17,909,558 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 12.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.13 AU - 4.71 AU

Year: 6197 Days

Day: 12.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,238,095 km

• M1: 155,881 km (0.082 R)
• M2: 584,479 km (0.112 R)
• M3: 1,168,958 km (0.114 R)
• M4: 2,528,503 km (0.097 R)
• M5: 3,609,946 km (0.117 R)
• M6: 4,488,235 km (0.074 R)
• M7: 6,229,405 km (0.083 R)
• M8: 7,197,752 km (0.049 R)
• M9: 8,066,168 km (0.117 R)
• M10: 8,960,912 km (0.097 R)
• M11: 10,056,717 km (0.116 R)
• M12: 12,303,677 km (0.106 R)
• M13: 12,726,141 km (0.077 R)
• M14: 14,109,473 km (0.028 R)
• M15: 14,631,270 km (0.119 R)
• M16: 16,400,714 km (0.048 R)
• M17: 17,107,863 km (0.111 R)
• M18: 20,507,624 km (0.099 R)
• M19: 22,248,943 km (0.079 R)
• M20: 22,956,541 km (0.104 R)
• M21: 24,334,038 km (0.057 R)
• M22: 25,000,946 km (0.063 R)
• M23: 35,878,357 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.2

Radius: 5.6

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.33 AU - 6.53 AU

Year: 9630 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,238,095 km

• M1: 70,461 km (0.038 R)
• M2: 289,023 km (0.108 R)
• M3: 527,183 km (0.086 R)
• M4: 764,146 km (0.119 R)
• M5: 1,135,747 km (0.095 R)
• M6: 1,735,485 km (0.077 R)
• M7: 2,622,600 km (0.075 R)
• M8: 2,823,061 km (0.109 R)
• M9: 3,300,279 km (0.088 R)
• M10: 4,640,676 km (0.117 R)
• M11: 5,495,777 km (0.118 R)
• M12: 7,714,014 km (0.064 R)
• M13: 9,270,281 km (0.096 R)
• M14: 9,737,176 km (0.075 R)
• M15: 10,367,581 km (0.095 R)
• M16: 14,359,301 km (0.051 R)
• M17: 16,829,910 km (0.092 R)
• M18: 20,493,712 km (0.085 R)
• M19: 25,641,524 km (0.114 R)
• M20: 29,248,927 km (0.082 R)
• M21: 30,761,511 km (0.068 R)
• M22: 33,072,948 km (0.116 R)
• M23: 33,505,286 km (0.037 R)
• M24: 34,713,737 km (0.093 R)
• M25: 35,160,137 km (0.091 R)
• M26: 42,452,884 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.3

Radius: 7.6

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.64 AU - 6.58 AU

Year: 10071 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,238,095 km

• M1: 94,546 km (0.115 R)
• M2: 366,066 km (0.102 R)
• M3: 635,641 km (0.112 R)
• M4: 1,824,645 km (0.098 R)
• M5: 2,694,706 km (0.076 R)
• M6: 3,039,081 km (0.072 R)
• M7: 3,437,011 km (0.109 R)
• M8: 4,510,974 km (0.117 R)
• M9: 5,029,331 km (0.065 R)
• M10: 6,257,978 km (0.113 R)
• M11: 6,786,059 km (0.109 R)
• M12: 8,369,402 km (0.093 R)
• M13: 8,640,175 km (0.094 R)
• M14: 9,832,170 km (0.107 R)
• M15: 10,083,046 km (0.097 R)
• M16: 11,513,052 km (0.054 R)
• M17: 12,190,132 km (0.031 R)
• M18: 13,438,377 km (0.11 R)
• M19: 18,823,152 km (0.078 R)
• M20: 23,651,423 km (0.099 R)
• M21: 25,869,960 km (0.068 R)
• M22: 30,291,175 km (0.111 R)
• M23: 33,578,738 km (0.096 R)
• M24: 35,191,254 km (0.075 R)
• M25: 38,197,872 km (0.094 R)
• M26: 38,569,772 km (0.116 R)
• M27: 39,069,578 km (0.111 R)
• M28: 43,357,951 km (0.114 R)
• M29: 43,627,377 km (0.088 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: 532 - 15,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit