🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.5

Radius: 8.3

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.66 AU - 0.8 AU

Year: 403 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,279,969 km

• M1: 103,223 km (0.085 R)
• M2: 397,631 km (0.078 R)
• M3: 721,361 km (0.065 R)
• M4: 1,000,511 km (0.058 R)
• M5: 1,263,204 km (0.112 R)
• M6: 1,750,295 km (0.086 R)
• M7: 2,029,894 km (0.113 R)
• M8: 2,660,748 km (0.114 R)
• M9: 3,300,129 km (0.099 R)
• M10: 3,595,286 km (0.089 R)
• M11: 4,064,425 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 8.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.68 AU - 0.86 AU

Year: 436 Days

Day: 11.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,279,969 km

• M1: 108,159 km (0.11 R)
• M2: 560,543 km (0.077 R)
• M3: 1,065,735 km (0.065 R)
• M4: 1,352,066 km (0.077 R)
• M5: 1,969,306 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 11.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.32 AU - 1.58 AU

Year: 1127 Days

Day: 10.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,279,969 km

• M1: 139,276 km (0.101 R)
• M2: 490,232 km (0.077 R)
• M3: 899,083 km (0.098 R)
• M4: 1,542,803 km (0.102 R)
• M5: 2,049,491 km (0.118 R)
• M6: 2,786,859 km (0.083 R)
• M7: 3,901,961 km (0.068 R)
• M8: 5,137,191 km (0.101 R)
• M9: 6,256,931 km (0.119 R)
• M10: 7,096,624 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.4

Radius: 14.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.06 AU - 2.74 AU

Year: 2401 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,279,969 km

• M1: 177,423 km (0.11 R)
• M2: 622,327 km (0.079 R)
• M3: 1,431,203 km (0.053 R)
• M4: 2,418,698 km (0.087 R)
• M5: 2,890,829 km (0.12 R)
• M6: 3,822,375 km (0.104 R)
• M7: 4,911,747 km (0.118 R)
• M8: 5,603,338 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 8.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.58 AU - 2.82 AU

Year: 2865 Days

Day: 10.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,279,969 km

• M1: 103,223 km (0.1 R)
• M2: 398,828 km (0.111 R)
• M3: 676,631 km (0.053 R)
• M4: 974,032 km (0.066 R)
• M5: 1,239,718 km (0.059 R)
• M6: 1,516,174 km (0.102 R)
• M7: 2,401,495 km (0.102 R)
• M8: 2,676,456 km (0.06 R)
• M9: 3,209,024 km (0.068 R)
• M10: 4,670,146 km (0.057 R)
• M11: 5,057,156 km (0.049 R)
• M12: 5,418,884 km (0.112 R)
• M13: 5,677,538 km (0.097 R)
• M14: 6,296,425 km (0.112 R)
• M15: 6,635,563 km (0.059 R)
• M16: 7,350,641 km (0.115 R)
• M17: 8,549,518 km (0.093 R)
• M18: 8,965,849 km (0.117 R)
• M19: 10,189,859 km (0.099 R)
• M20: 11,560,175 km (0.104 R)
• M21: 12,269,419 km (0.118 R)
• M22: 13,175,384 km (0.098 R)
• M23: 15,352,481 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.8

Radius: 5.3

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.88 AU - 8.56 AU

Year: 13850 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,279,969 km

• M1: 66,272 km (0.064 R)
• M2: 380,427 km (0.107 R)
• M3: 589,116 km (0.081 R)
• M4: 766,988 km (0.118 R)
• M5: 1,026,241 km (0.088 R)
• M6: 1,356,703 km (0.118 R)
• M7: 1,689,409 km (0.114 R)
• M8: 1,892,862 km (0.106 R)
• M9: 2,268,353 km (0.091 R)
• M10: 4,011,467 km (0.118 R)
• M11: 4,962,311 km (0.028 R)
• M12: 7,037,533 km (0.099 R)
• M13: 7,934,222 km (0.039 R)
• M14: 8,169,839 km (0.09 R)
• M15: 8,507,332 km (0.098 R)
• M16: 14,262,063 km (0.085 R)
• M17: 16,438,861 km (0.032 R)
• M18: 17,447,300 km (0.067 R)
• M19: 21,711,438 km (0.106 R)
• M20: 22,546,194 km (0.098 R)
• M21: 25,483,548 km (0.092 R)
• M22: 25,790,523 km (0.109 R)
• M23: 26,726,557 km (0.103 R)
• M24: 27,362,947 km (0.101 R)
• M25: 30,582,143 km (0.081 R)
• M26: 34,292,918 km (0.104 R)
• M27: 40,892,279 km (0.078 R)
• M28: 43,315,615 km (0.08 R)
• M29: 48,759,930 km (0.082 R)
• M30: 49,550,405 km (0.082 R)
• M31: 54,983,201 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.3

Radius: 4.5

Gravity: 31.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.55 AU - 9.07 AU

Year: 16884 Days

Day: 16.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,279,969 km

• M1: 56,099 km (0.08 R)
• M2: 312,211 km (0.109 R)
• M3: 1,115,701 km (0.039 R)
• M4: 1,302,399 km (0.047 R)
• M5: 2,267,006 km (0.029 R)
• M6: 5,068,226 km (0.066 R)
• M7: 5,544,695 km (0.113 R)
• M8: 7,243,379 km (0.102 R)
• M9: 11,134,121 km (0.102 R)
• M10: 11,685,987 km (0.113 R)
• M11: 14,005,652 km (0.093 R)
• M12: 16,694,075 km (0.116 R)
• M13: 18,326,786 km (0.049 R)
• M14: 33,456,666 km (0.105 R)
• M15: 35,119,895 km (0.115 R)
• M16: 37,512,863 km (0.093 R)
• M17: 40,725,776 km (0.096 R)
• M18: 42,917,086 km (0.078 R)
• M19: 43,514,430 km (0.03 R)
• M20: 50,621,376 km (0.073 R)
• M21: 53,668,087 km (0.044 R)
• M22: 54,710,185 km (0.115 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: 469 - 19,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit