🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.8

Radius: 10.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.69 AU - 1.03 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,245,619 km

• M1: 135,536 km (0.113 R)
• M2: 562,338 km (0.099 R)
• M3: 955,182 km (0.072 R)
• M4: 1,401,732 km (0.117 R)
• M5: 1,787,395 km (0.112 R)
• M6: 2,201,183 km (0.107 R)
• M7: 2,922,394 km (0.102 R)
• M8: 3,561,626 km (0.116 R)
• M9: 4,050,961 km (0.106 R)
• M10: 4,499,754 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.3

Radius: 10.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.95 AU - 3.11 AU

Year: 2684 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,245,619 km

• M1: 134,488 km (0.086 R)
• M2: 582,983 km (0.106 R)
• M3: 1,048,980 km (0.101 R)
• M4: 1,542,354 km (0.112 R)
• M5: 2,045,152 km (0.093 R)
• M6: 2,452,507 km (0.08 R)
• M7: 5,575,064 km (0.115 R)
• M8: 9,251,282 km (0.111 R)
• M9: 10,769,700 km (0.075 R)
• M10: 11,664,894 km (0.079 R)
• M11: 14,294,525 km (0.085 R)
• M12: 15,375,220 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.4

Radius: 9.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.56 AU - 5.7 AU

Year: 6644 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,245,619 km

• M1: 121,324 km (0.107 R)
• M2: 480,808 km (0.112 R)
• M3: 892,650 km (0.101 R)
• M4: 2,058,317 km (0.12 R)
• M5: 4,357,636 km (0.09 R)
• M6: 5,115,350 km (0.072 R)
• M7: 6,182,880 km (0.099 R)
• M8: 6,926,232 km (0.081 R)
• M9: 7,283,172 km (0.076 R)
• M10: 9,385,022 km (0.088 R)
• M11: 10,319,860 km (0.091 R)
• M12: 19,651,176 km (0.075 R)
• M13: 20,880,572 km (0.032 R)
• M14: 22,237,574 km (0.063 R)
• M15: 23,813,139 km (0.083 R)
• M16: 24,793,603 km (0.103 R)
• M17: 25,293,709 km (0.115 R)
• M18: 27,361,899 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.9

Radius: 6.2

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.63 AU - 8.13 AU

Year: 13369 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,245,619 km

• M1: 77,043 km (0.068 R)
• M2: 315,053 km (0.12 R)
• M3: 895,044 km (0.075 R)
• M4: 1,215,483 km (0.105 R)
• M5: 1,565,691 km (0.1 R)
• M6: 1,813,276 km (0.036 R)
• M7: 2,177,995 km (0.074 R)
• M8: 2,717,745 km (0.119 R)
• M9: 3,100,865 km (0.045 R)
• M10: 6,982,331 km (0.108 R)
• M11: 8,374,040 km (0.089 R)
• M12: 9,633,654 km (0.064 R)
• M13: 13,325,879 km (0.086 R)
• M14: 15,588,846 km (0.097 R)
• M15: 17,635,046 km (0.109 R)
• M16: 18,643,186 km (0.086 R)
• M17: 23,153,113 km (0.1 R)
• M18: 23,705,578 km (0.061 R)
• M19: 25,512,570 km (0.071 R)
• M20: 32,501,933 km (0.093 R)
• M21: 32,731,565 km (0.114 R)
• M22: 33,896,334 km (0.079 R)
• M23: 35,209,205 km (0.105 R)
• M24: 36,555,586 km (0.039 R)
• M25: 36,804,068 km (0.03 R)
• M26: 37,682,357 km (0.05 R)
• M27: 38,961,419 km (0.111 R)
• M28: 40,933,717 km (0.094 R)
• M29: 48,885,293 km (0.083 R)
• M30: 50,713,529 km (0.115 R)
• M31: 51,022,598 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.1

Radius: 7.2

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.17 AU - 9.93 AU

Year: 15231 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,245,619 km

• M1: 89,759 km (0.071 R)
• M2: 395,686 km (0.116 R)
• M3: 1,270,236 km (0.109 R)
• M4: 1,575,565 km (0.112 R)
• M5: 2,107,684 km (0.065 R)
• M6: 2,335,821 km (0.058 R)
• M7: 2,623,199 km (0.073 R)
• M8: 5,105,027 km (0.111 R)
• M9: 6,417,150 km (0.105 R)
• M10: 6,696,300 km (0.073 R)
• M11: 7,025,116 km (0.088 R)
• M12: 9,080,292 km (0.095 R)
• M13: 10,709,712 km (0.084 R)
• M14: 12,463,447 km (0.114 R)
• M15: 13,408,457 km (0.099 R)
• M16: 13,931,601 km (0.051 R)
• M17: 14,400,291 km (0.11 R)
• M18: 14,879,603 km (0.037 R)
• M19: 15,440,295 km (0.116 R)
• M20: 15,942,495 km (0.076 R)
• M21: 19,683,190 km (0.076 R)
• M22: 20,788,719 km (0.116 R)
• M23: 21,137,132 km (0.114 R)
• M24: 21,756,168 km (0.102 R)
• M25: 22,025,145 km (0.077 R)
• M26: 26,636,200 km (0.11 R)
• M27: 27,358,309 km (0.116 R)
• M28: 29,166,199 km (0.101 R)
• M29: 29,822,784 km (0.041 R)
• M30: 33,611,799 km (0.096 R)
• M31: 34,212,584 km (0.049 R)
• M32: 36,560,822 km (0.096 R)
• M33: 38,488,989 km (0.113 R)
• M34: 50,867,614 km (0.069 R)
• M35: 53,592,988 km (0.096 R)
• M36: 54,248,227 km (0.037 R)
• M37: 55,074,606 km (0.091 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: 397 - 16,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit