🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 12.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.95 AU - 0.97 AU

Year: 617 Days

Day: 9 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,696,828 km

• M1: 154,235 km (0.105 R)
• M2: 584,329 km (0.107 R)
• M3: 1,158,785 km (0.07 R)
• M4: 2,178,295 km (0.068 R)
• M5: 3,582,570 km (0.051 R)
• M6: 4,048,268 km (0.109 R)
• M7: 5,503,406 km (0.046 R)
• M8: 6,163,283 km (0.064 R)
• M9: 6,618,958 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 13.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.03 AU - 1.25 AU

Year: 798 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 107 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,696,828 km

• M1: 166,652 km (0.082 R)
• M2: 688,300 km (0.05 R)
• M3: 1,441,675 km (0.104 R)
• M4: 1,995,935 km (0.072 R)
• M5: 3,378,818 km (0.106 R)
• M6: 3,935,322 km (0.107 R)
• M7: 4,703,955 km (0.047 R)
• M8: 5,438,032 km (0.054 R)
• M9: 6,185,274 km (0.067 R)
• M10: 7,112,481 km (0.052 R)
• M11: 7,812,749 km (0.083 R)
• M12: 8,482,050 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 8.5

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.17 AU - 1.43 AU

Year: 972 Days

Day: 6 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,696,828 km

• M1: 105,766 km (0.1 R)
• M2: 385,065 km (0.113 R)
• M3: 679,324 km (0.115 R)
• M4: 994,975 km (0.112 R)
• M5: 1,342,491 km (0.088 R)
• M6: 1,657,694 km (0.089 R)
• M7: 1,993,092 km (0.12 R)
• M8: 2,308,594 km (0.092 R)
• M9: 2,741,231 km (0.112 R)
• M10: 3,080,819 km (0.093 R)
• M11: 3,621,016 km (0.117 R)
• M12: 4,190,386 km (0.051 R)
• M13: 4,539,398 km (0.087 R)
• M14: 4,871,804 km (0.118 R)
• M15: 5,724,363 km (0.069 R)
• M16: 7,057,429 km (0.11 R)
• M17: 8,146,950 km (0.07 R)
• M18: 8,455,571 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640

Radius: 8.7

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.15 AU - 1.53 AU

Year: 1018 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,696,828 km

• M1: 108,309 km (0.058 R)
• M2: 383,719 km (0.028 R)
• M3: 769,531 km (0.112 R)
• M4: 1,041,351 km (0.118 R)
• M5: 1,520,962 km (0.12 R)
• M6: 2,269,250 km (0.11 R)
• M7: 2,695,604 km (0.069 R)
• M8: 3,188,529 km (0.111 R)
• M9: 3,544,722 km (0.077 R)
• M10: 4,219,707 km (0.104 R)
• M11: 4,757,661 km (0.077 R)
• M12: 5,033,968 km (0.066 R)
• M13: 6,535,781 km (0.12 R)
• M14: 6,808,498 km (0.073 R)
• M15: 7,499,491 km (0.101 R)
• M16: 9,189,199 km (0.093 R)
• M17: 10,152,908 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 11

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.74 AU - 1.76 AU

Year: 1519 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,696,828 km

• M1: 150,645 km (0.093 R)
• M2: 915,389 km (0.105 R)
• M3: 1,492,987 km (0.073 R)
• M4: 2,027,350 km (0.077 R)
• M5: 3,384,203 km (0.073 R)
• M6: 4,247,832 km (0.066 R)
• M7: 5,620,392 km (0.066 R)
• M8: 6,300,763 km (0.059 R)
• M9: 7,292,447 km (0.043 R)
• M10: 8,998,312 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.59 AU - 6.81 AU

Year: 10127 Days

Day: 18.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 62.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,696,828 km

• M1: 64,028 km (0.085 R)
• M2: 425,756 km (0.11 R)
• M3: 772,224 km (0.109 R)
• M4: 954,883 km (0.102 R)
• M5: 1,397,992 km (0.106 R)
• M6: 1,925,325 km (0.098 R)
• M7: 2,679,896 km (0.065 R)
• M8: 2,989,265 km (0.119 R)
• M9: 4,470,433 km (0.081 R)
• M10: 6,670,270 km (0.06 R)
• M11: 11,955,263 km (0.11 R)
• M12: 15,023,815 km (0.119 R)
• M13: 19,834,134 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.6

Radius: 7.8

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.66 AU - 6.88 AU

Year: 10299 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,696,828 km

• M1: 99,483 km (0.071 R)
• M2: 588,967 km (0.086 R)
• M3: 1,400,685 km (0.112 R)
• M4: 1,995,935 km (0.03 R)
• M5: 2,902,797 km (0.071 R)
• M6: 3,179,404 km (0.119 R)
• M7: 3,732,467 km (0.108 R)
• M8: 4,377,533 km (0.11 R)
• M9: 4,900,527 km (0.079 R)
• M10: 7,084,058 km (0.091 R)
• M11: 7,459,847 km (0.099 R)
• M12: 9,441,570 km (0.057 R)
• M13: 14,279,266 km (0.048 R)
• M14: 17,373,998 km (0.04 R)
• M15: 21,144,612 km (0.072 R)
• M16: 26,706,810 km (0.085 R)
• M17: 32,482,634 km (0.051 R)
• M18: 37,012,009 km (0.07 R)
• M19: 37,889,849 km (0.092 R)
• M20: 43,174,544 km (0.111 R)
• M21: 44,850,938 km (0.112 R)
• M22: 45,992,369 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.7

Radius: 4.6

Gravity: 23.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.25 AU - 9.45 AU

Year: 17271 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,696,828 km

• M1: 57,296 km (0.116 R)
• M2: 305,030 km (0.066 R)
• M3: 466,745 km (0.106 R)
• M4: 636,240 km (0.113 R)
• M5: 1,103,583 km (0.07 R)
• M6: 1,381,536 km (0.113 R)
• M7: 1,704,817 km (0.117 R)
• M8: 2,039,318 km (0.106 R)
• M9: 2,745,570 km (0.06 R)
• M10: 3,079,323 km (0.076 R)
• M11: 3,359,968 km (0.119 R)
• M12: 6,497,784 km (0.119 R)
• M13: 7,578,778 km (0.054 R)
• M14: 10,368,479 km (0.108 R)
• M15: 10,766,559 km (0.101 R)
• M16: 11,115,720 km (0.096 R)
• M17: 12,910,745 km (0.05 R)
• M18: 17,939,926 km (0.101 R)
• M19: 23,159,994 km (0.115 R)
• M20: 25,957,475 km (0.092 R)
• M21: 26,269,984 km (0.025 R)
• M22: 27,761,475 km (0.097 R)
• M23: 27,978,991 km (0.103 R)
• M24: 39,400,339 km (0.12 R)
• M25: 43,364,982 km (0.063 R)
• M26: 44,396,010 km (0.095 R)
• M27: 49,797,541 km (0.091 R)
• M28: 50,279,994 km (0.053 R)
• M29: 50,765,439 km (0.114 R)
• M30: 54,933,535 km (0.049 R)
• M31: 58,249,671 km (0.041 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 15,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit