🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 10.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.45 AU - 0.75 AU

Year: 315 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,003,229 km

• M1: 133,142 km (0.116 R)
• M2: 523,443 km (0.026 R)
• M3: 891,454 km (0.107 R)
• M4: 1,427,313 km (0.113 R)
• M5: 2,297,375 km (0.105 R)
• M6: 2,674,511 km (0.089 R)
• M7: 3,043,269 km (0.07 R)
• M8: 3,577,334 km (0.098 R)
• M9: 3,991,122 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 13.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.85 AU - 0.99 AU

Year: 599 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,003,229 km

• M1: 172,935 km (0.098 R)
• M2: 713,283 km (0.06 R)
• M3: 1,167,462 km (0.099 R)
• M4: 1,629,719 km (0.056 R)
• M5: 2,262,069 km (0.115 R)
• M6: 2,740,184 km (0.095 R)
• M7: 3,215,606 km (0.119 R)
• M8: 3,918,118 km (0.111 R)
• M9: 4,970,240 km (0.119 R)
• M10: 5,718,528 km (0.085 R)
• M11: 6,483,721 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 13.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.87 AU - 2.05 AU

Year: 1861 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,003,229 km

• M1: 172,038 km (0.078 R)
• M2: 989,740 km (0.047 R)
• M3: 1,864,588 km (0.117 R)
• M4: 2,562,163 km (0.114 R)
• M5: 3,753,710 km (0.104 R)
• M6: 4,430,191 km (0.082 R)
• M7: 5,347,974 km (0.083 R)
• M8: 6,645,885 km (0.114 R)
• M9: 7,509,664 km (0.092 R)
• M10: 8,281,140 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 13.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.04 AU - 2.46 AU

Year: 2289 Days

Day: 7 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,003,229 km

• M1: 171,589 km (0.119 R)
• M2: 664,364 km (0.093 R)
• M3: 1,651,560 km (0.047 R)
• M4: 3,069,599 km (0.09 R)
• M5: 4,629,456 km (0.028 R)
• M6: 5,884,133 km (0.091 R)
• M7: 6,341,304 km (0.064 R)
• M8: 6,822,112 km (0.074 R)
• M9: 7,547,512 km (0.055 R)
• M10: 9,473,584 km (0.062 R)
• M11: 12,318,487 km (0.11 R)
• M12: 13,354,452 km (0.11 R)
• M13: 14,795,977 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.2

Radius: 5.7

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.5 AU - 8.42 AU

Year: 12454 Days

Day: 15.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,003,229 km

• M1: 70,909 km (0.102 R)
• M2: 377,884 km (0.105 R)
• M3: 574,905 km (0.11 R)
• M4: 813,962 km (0.1 R)
• M5: 1,496,876 km (0.098 R)
• M6: 1,692,401 km (0.041 R)
• M7: 2,191,310 km (0.102 R)
• M8: 3,740,545 km (0.112 R)
• M9: 4,190,536 km (0.071 R)
• M10: 5,438,182 km (0.065 R)
• M11: 6,752,848 km (0.073 R)
• M12: 8,979,163 km (0.114 R)
• M13: 14,881,099 km (0.12 R)
• M14: 17,034,710 km (0.12 R)
• M15: 17,260,902 km (0.098 R)
• M16: 20,812,804 km (0.113 R)
• M17: 23,869,986 km (0.104 R)
• M18: 28,464,585 km (0.117 R)
• M19: 32,331,391 km (0.049 R)
• M20: 35,666,227 km (0.054 R)
• M21: 41,087,354 km (0.084 R)
• M22: 42,592,907 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.6

Radius: 6.3

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.9 AU - 8.5 AU

Year: 13104 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,003,229 km

• M1: 78,988 km (0.118 R)
• M2: 296,653 km (0.088 R)
• M3: 837,150 km (0.093 R)
• M4: 1,095,954 km (0.117 R)
• M5: 1,613,862 km (0.063 R)
• M6: 3,500,740 km (0.07 R)
• M7: 4,263,539 km (0.081 R)
• M8: 4,463,252 km (0.095 R)
• M9: 5,796,319 km (0.058 R)
• M10: 6,257,829 km (0.096 R)
• M11: 8,396,031 km (0.106 R)
• M12: 10,872,175 km (0.079 R)
• M13: 11,963,491 km (0.078 R)
• M14: 15,877,121 km (0.037 R)
• M15: 17,641,329 km (0.108 R)
• M16: 17,861,537 km (0.107 R)
• M17: 18,157,890 km (0.081 R)
• M18: 19,454,305 km (0.117 R)
• M19: 21,722,060 km (0.112 R)
• M20: 23,623,149 km (0.115 R)
• M21: 25,258,852 km (0.075 R)
• M22: 27,555,329 km (0.03 R)
• M23: 28,957,361 km (0.026 R)
• M24: 31,148,521 km (0.112 R)
• M25: 35,157,744 km (0.079 R)
• M26: 39,874,714 km (0.058 R)
• M27: 42,977,823 km (0.111 R)
• M28: 45,821,828 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.3

Radius: 7.7

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.86 AU - 8.52 AU

Year: 15897 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,003,229 km

• M1: 95,743 km (0.079 R)
• M2: 338,390 km (0.079 R)
• M3: 1,528,890 km (0.116 R)
• M4: 2,541,668 km (0.043 R)
• M5: 2,954,857 km (0.116 R)
• M6: 4,967,098 km (0.072 R)
• M7: 6,155,354 km (0.112 R)
• M8: 6,397,703 km (0.07 R)
• M9: 8,277,400 km (0.112 R)
• M10: 8,723,650 km (0.081 R)
• M11: 9,610,167 km (0.037 R)
• M12: 11,139,506 km (0.076 R)
• M13: 11,379,162 km (0.103 R)
• M14: 12,308,614 km (0.097 R)
• M15: 12,824,577 km (0.043 R)
• M16: 13,422,220 km (0.086 R)
• M17: 13,830,922 km (0.066 R)
• M18: 16,692,130 km (0.094 R)
• M19: 20,636,877 km (0.096 R)
• M20: 20,998,754 km (0.076 R)
• M21: 22,872,467 km (0.098 R)
• M22: 25,471,132 km (0.079 R)
• M23: 27,164,729 km (0.108 R)
• M24: 29,158,121 km (0.074 R)
• M25: 36,373,675 km (0.114 R)
• M26: 36,637,267 km (0.074 R)
• M27: 39,066,586 km (0.104 R)
• M28: 42,615,796 km (0.105 R)
• M29: 45,452,919 km (0.061 R)
• M30: 53,515,796 km (0.055 R)
• M31: 61,730,065 km (0.032 R)
• M32: 64,003,205 km (0.061 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 18,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit