🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 9.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.91 AU

Year: 458 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,682,092 km

• M1: 120,576 km (0.057 R)
• M2: 430,543 km (0.039 R)
• M3: 825,481 km (0.101 R)
• M4: 1,194,090 km (0.086 R)
• M5: 1,589,328 km (0.057 R)
• M6: 1,957,937 km (0.109 R)
• M7: 2,320,562 km (0.113 R)
• M8: 3,914,378 km (0.092 R)
• M9: 5,431,300 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 13.7

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.97 AU - 1.27 AU

Year: 804 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,682,092 km

• M1: 170,392 km (0.114 R)
• M2: 631,901 km (0.114 R)
• M3: 1,215,034 km (0.104 R)
• M4: 1,767,200 km (0.105 R)
• M5: 2,729,862 km (0.028 R)
• M6: 3,365,055 km (0.106 R)
• M7: 3,831,949 km (0.091 R)
• M8: 4,375,439 km (0.085 R)
• M9: 5,638,793 km (0.063 R)
• M10: 6,301,810 km (0.041 R)
• M11: 7,039,477 km (0.066 R)
• M12: 7,587,155 km (0.053 R)
• M13: 8,292,360 km (0.092 R)
• M14: 9,431,697 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.7

Radius: 13.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.25 AU - 1.63 AU

Year: 1172 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,682,092 km

• M1: 165,455 km (0.085 R)
• M2: 680,072 km (0.066 R)
• M3: 1,216,829 km (0.105 R)
• M4: 1,911,262 km (0.086 R)
• M5: 2,566,351 km (0.094 R)
• M6: 3,777,645 km (0.055 R)
• M7: 4,205,944 km (0.108 R)
• M8: 4,666,855 km (0.082 R)
• M9: 5,748,149 km (0.11 R)
• M10: 6,543,560 km (0.117 R)
• M11: 7,920,310 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 8.1

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.73 AU - 2.07 AU

Year: 1776 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,682,092 km

• M1: 101,727 km (0.108 R)
• M2: 403,615 km (0.093 R)
• M3: 774,767 km (0.09 R)
• M4: 1,126,622 km (0.034 R)
• M5: 1,385,426 km (0.083 R)
• M6: 1,889,122 km (0.111 R)
• M7: 2,259,227 km (0.08 R)
• M8: 2,882,452 km (0.066 R)
• M9: 3,459,750 km (0.101 R)
• M10: 3,776,000 km (0.037 R)
• M11: 4,130,846 km (0.11 R)
• M12: 6,561,811 km (0.057 R)
• M13: 8,215,317 km (0.104 R)
• M14: 9,574,114 km (0.045 R)
• M15: 9,953,345 km (0.105 R)
• M16: 11,688,381 km (0.104 R)
• M17: 12,444,000 km (0.06 R)
• M18: 13,063,036 km (0.114 R)
• M19: 13,529,931 km (0.066 R)
• M20: 14,407,472 km (0.052 R)
• M21: 14,997,785 km (0.112 R)
• M22: 15,415,911 km (0.061 R)
• M23: 15,889,538 km (0.087 R)
• M24: 16,323,970 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.2

Radius: 11

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.39 AU - 4.31 AU

Year: 5124 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,682,092 km

• M1: 137,630 km (0.089 R)
• M2: 743,801 km (0.067 R)
• M3: 1,227,750 km (0.034 R)
• M4: 2,002,367 km (0.097 R)
• M5: 2,421,391 km (0.085 R)
• M6: 2,773,844 km (0.091 R)
• M7: 3,565,366 km (0.077 R)
• M8: 5,494,431 km (0.104 R)
• M9: 6,242,869 km (0.054 R)
• M10: 8,427,895 km (0.03 R)
• M11: 11,401,751 km (0.092 R)
• M12: 11,853,387 km (0.068 R)
• M13: 12,836,395 km (0.058 R)
• M14: 13,826,733 km (0.08 R)
• M15: 17,103,824 km (0.089 R)
• M16: 17,533,319 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 11.4

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.88 AU - 5.12 AU

Year: 6475 Days

Day: 13.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,682,092 km

• M1: 141,819 km (0.072 R)
• M2: 948,151 km (0.098 R)
• M3: 1,452,745 km (0.108 R)
• M4: 1,945,072 km (0.112 R)
• M5: 2,368,583 km (0.093 R)
• M6: 2,755,294 km (0.092 R)
• M7: 4,230,628 km (0.115 R)
• M8: 6,211,004 km (0.079 R)
• M9: 6,593,227 km (0.046 R)
• M10: 8,875,193 km (0.095 R)
• M11: 11,228,667 km (0.094 R)
• M12: 14,873,918 km (0.069 R)
• M13: 18,165,969 km (0.096 R)
• M14: 20,434,770 km (0.063 R)
• M15: 21,049,767 km (0.062 R)
• M16: 21,440,217 km (0.103 R)
• M17: 26,785,200 km (0.049 R)
• M18: 28,652,031 km (0.076 R)
• M19: 29,911,047 km (0.046 R)
• M20: 30,804,146 km (0.068 R)
• M21: 31,612,723 km (0.102 R)
• M22: 32,435,511 km (0.097 R)
• M23: 34,231,134 km (0.111 R)
• M24: 38,135,190 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.4

Radius: 3.6

Gravity: 40.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.37 AU - 11.49 AU

Year: 19641 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,682,092 km

• M1: 45,927 km (0.081 R)
• M2: 225,145 km (0.102 R)
• M3: 610,509 km (0.082 R)
• M4: 1,265,149 km (0.086 R)
• M5: 1,567,636 km (0.052 R)
• M6: 2,357,662 km (0.098 R)
• M7: 2,912,521 km (0.085 R)
• M8: 3,493,409 km (0.119 R)
• M9: 6,510,200 km (0.052 R)
• M10: 7,683,047 km (0.081 R)
• M11: 7,826,811 km (0.12 R)
• M12: 10,614,268 km (0.119 R)
• M13: 10,852,727 km (0.108 R)
• M14: 13,093,404 km (0.118 R)
• M15: 14,649,222 km (0.11 R)
• M16: 15,395,416 km (0.03 R)
• M17: 16,245,132 km (0.107 R)
• M18: 17,207,345 km (0.045 R)
• M19: 22,690,855 km (0.101 R)
• M20: 23,587,395 km (0.115 R)
• M21: 25,238,956 km (0.114 R)
• M22: 28,885,404 km (0.088 R)
• M23: 29,466,891 km (0.109 R)
• M24: 35,451,255 km (0.097 R)
• M25: 37,064,518 km (0.11 R)
• M26: 47,299,256 km (0.077 R)
• M27: 48,432,011 km (0.074 R)
• M28: 52,281,165 km (0.104 R)
• M29: 64,645,728 km (0.112 R)
• M30: 65,042,013 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 19,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit