🌌 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: 308.8

Radius: 10.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.73 AU - 0.73 AU

Year: 431 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,575,390 km

• M1: 133,142 km (0.102 R)
• M2: 858,093 km (0.049 R)
• M3: 1,192,594 km (0.105 R)
• M4: 1,830,629 km (0.052 R)
• M5: 2,252,645 km (0.083 R)
• M6: 2,814,385 km (0.116 R)
• M7: 3,348,599 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 10.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.65 AU - 0.95 AU

Year: 494 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,575,390 km

• M1: 134,339 km (0.103 R)
• M2: 497,114 km (0.119 R)
• M3: 963,111 km (0.077 R)
• M4: 1,455,886 km (0.091 R)
• M5: 2,338,664 km (0.111 R)
• M6: 3,196,757 km (0.116 R)
• M7: 3,855,287 km (0.118 R)
• M8: 4,513,069 km (0.106 R)
• M9: 5,082,139 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 12.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.42 AU - 1.86 AU

Year: 1450 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,575,390 km

• M1: 154,235 km (0.096 R)
• M2: 586,872 km (0.102 R)
• M3: 1,229,694 km (0.104 R)
• M4: 4,472,677 km (0.1 R)
• M5: 5,584,937 km (0.063 R)
• M6: 6,273,836 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 14.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.95 AU - 2.07 AU

Year: 1967 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,575,390 km

• M1: 185,202 km (0.106 R)
• M2: 702,212 km (0.118 R)
• M3: 1,386,623 km (0.113 R)
• M4: 1,873,564 km (0.078 R)
• M5: 2,692,163 km (0.119 R)
• M6: 3,162,200 km (0.078 R)
• M7: 4,348,810 km (0.088 R)
• M8: 4,853,703 km (0.082 R)
• M9: 5,910,313 km (0.102 R)
• M10: 7,733,163 km (0.105 R)
• M11: 8,265,133 km (0.097 R)
• M12: 8,727,241 km (0.109 R)
• M13: 9,636,048 km (0.077 R)
• M14: 10,428,916 km (0.069 R)
• M15: 11,227,919 km (0.069 R)
• M16: 11,718,899 km (0.038 R)
• M17: 13,278,905 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 12.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.81 AU - 2.99 AU

Year: 2566 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,575,390 km

• M1: 154,235 km (0.117 R)
• M2: 687,253 km (0.055 R)
• M3: 1,138,589 km (0.059 R)
• M4: 1,583,643 km (0.116 R)
• M5: 2,451,760 km (0.088 R)
• M6: 3,239,542 km (0.094 R)
• M7: 4,786,833 km (0.063 R)
• M8: 6,356,862 km (0.106 R)
• M9: 7,683,795 km (0.08 R)
• M10: 9,011,327 km (0.107 R)
• M11: 9,637,992 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.2

Radius: 10.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.54 AU - 3 AU

Year: 3182 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,575,390 km

• M1: 132,843 km (0.109 R)
• M2: 518,656 km (0.071 R)
• M3: 1,383,930 km (0.1 R)
• M4: 2,168,272 km (0.12 R)
• M5: 2,517,882 km (0.105 R)
• M6: 3,628,048 km (0.057 R)
• M7: 6,667,727 km (0.079 R)
• M8: 7,697,858 km (0.045 R)
• M9: 8,936,079 km (0.097 R)
• M10: 9,437,681 km (0.058 R)
• M11: 9,995,980 km (0.095 R)
• M12: 10,419,192 km (0.113 R)
• M13: 12,320,432 km (0.064 R)
• M14: 12,897,132 km (0.108 R)
• M15: 15,033,838 km (0.071 R)
• M16: 15,386,141 km (0.108 R)
• M17: 16,529,817 km (0.098 R)
• M18: 18,293,276 km (0.114 R)
• M19: 18,985,765 km (0.119 R)
• M20: 20,423,101 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 10.3

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.98 AU - 4.2 AU

Year: 5709 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,575,390 km

• M1: 128,056 km (0.116 R)
• M2: 614,548 km (0.12 R)
• M3: 1,014,423 km (0.089 R)
• M4: 1,427,164 km (0.103 R)
• M5: 1,937,741 km (0.087 R)
• M6: 2,883,948 km (0.114 R)
• M7: 3,388,541 km (0.116 R)
• M8: 4,626,015 km (0.096 R)
• M9: 4,991,333 km (0.076 R)
• M10: 5,432,347 km (0.11 R)
• M11: 8,378,378 km (0.084 R)
• M12: 10,432,507 km (0.034 R)
• M13: 12,351,249 km (0.084 R)
• M14: 13,263,796 km (0.11 R)
• M15: 13,630,610 km (0.103 R)
• M16: 15,741,586 km (0.081 R)
• M17: 16,331,450 km (0.118 R)
• M18: 17,744,103 km (0.115 R)
• M19: 19,370,231 km (0.079 R)
• M20: 20,670,835 km (0.09 R)
• M21: 24,527,319 km (0.112 R)
• M22: 25,966,899 km (0.079 R)
• M23: 29,101,573 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.2

Radius: 3.8

Gravity: 53.55 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.69 AU - 12.69 AU

Year: 22453 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 85,575,390 km

• M1: 47,273 km (0.086 R)
• M2: 313,408 km (0.077 R)
• M3: 445,652 km (0.093 R)
• M4: 597,643 km (0.089 R)
• M5: 933,341 km (0.113 R)
• M6: 1,448,855 km (0.081 R)
• M7: 1,603,091 km (0.088 R)
• M8: 1,730,698 km (0.114 R)
• M9: 2,823,660 km (0.078 R)
• M10: 2,983,281 km (0.049 R)
• M11: 3,408,887 km (0.103 R)
• M12: 4,928,053 km (0.045 R)
• M13: 6,474,895 km (0.074 R)
• M14: 7,997,951 km (0.101 R)
• M15: 9,986,855 km (0.092 R)
• M16: 11,797,737 km (0.069 R)
• M17: 12,852,701 km (0.055 R)
• M18: 13,892,406 km (0.103 R)
• M19: 14,747,807 km (0.055 R)
• M20: 15,637,765 km (0.119 R)
• M21: 18,987,111 km (0.109 R)
• M22: 19,652,074 km (0.12 R)
• M23: 22,467,955 km (0.073 R)
• M24: 22,891,017 km (0.037 R)
• M25: 23,535,485 km (0.073 R)
• M26: 24,860,473 km (0.1 R)
• M27: 28,512,157 km (0.104 R)
• M28: 29,762,197 km (0.113 R)
• M29: 30,788,289 km (0.095 R)
• M30: 37,002,285 km (0.089 R)
• M31: 38,187,998 km (0.086 R)
• M32: 38,941,672 km (0.107 R)
• M33: 44,497,737 km (0.076 R)
• M34: 46,177,123 km (0.113 R)
• M35: 47,550,581 km (0.074 R)
• M36: 50,740,157 km (0.115 R)
• M37: 54,637,930 km (0.062 R)
• M38: 59,532,622 km (0.102 R)
• M39: 60,953,652 km (0.082 R)
• M40: 65,566,952 km (0.119 R)
• M41: 67,300,641 km (0.112 R)
• M42: 67,738,813 km (0.075 R)
• M43: 71,996,219 km (0.098 R)
• M44: 75,009,868 km (0.108 R)
• M45: 83,286,819 km (0.113 R)
• M46: 84,807,930 km (0.111 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: 258 - 15,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit