🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.44 AU - 0.68 AU

Year: 147 Days

Day: 40.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 12.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.41 AU - 5.91 AU

Year: 4711 Days

Day: 7.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,696,423 km

• M1: 152,889 km (0.118 R)
• M2: 541,544 km (0.047 R)
• M3: 1,136,046 km (0.113 R)
• M4: 1,839,455 km (0.117 R)
• M5: 2,870,783 km (0.06 R)
• M6: 3,494,606 km (0.084 R)
• M7: 4,230,927 km (0.078 R)
• M8: 4,908,157 km (0.103 R)
• M9: 5,862,441 km (0.119 R)
• M10: 6,352,674 km (0.083 R)
• M11: 9,226,897 km (0.088 R)
• M12: 13,028,479 km (0.119 R)
• M13: 14,962,330 km (0.087 R)
• M14: 17,452,237 km (0.067 R)
• M15: 20,552,952 km (0.116 R)
• M16: 22,863,192 km (0.093 R)
• M17: 23,695,854 km (0.117 R)
• M18: 24,943,051 km (0.102 R)
• M19: 26,480,319 km (0.107 R)
• M20: 27,567,896 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 13

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.16 AU - 12.54 AU

Year: 14271 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,696,423 km

• M1: 171,140 km (0.1 R)
• M2: 612,902 km (0.116 R)
• M3: 1,157,738 km (0.103 R)
• M4: 2,473,451 km (0.046 R)
• M5: 3,185,687 km (0.058 R)
• M6: 4,001,593 km (0.081 R)
• M7: 5,893,558 km (0.102 R)
• M8: 6,447,818 km (0.092 R)
• M9: 8,082,324 km (0.055 R)
• M10: 9,438,878 km (0.084 R)
• M11: 10,367,880 km (0.109 R)
• M12: 11,177,803 km (0.034 R)
• M13: 11,659,209 km (0.12 R)
• M14: 12,343,919 km (0.074 R)
• M15: 12,858,685 km (0.099 R)
• M16: 14,348,381 km (0.103 R)
• M17: 15,134,966 km (0.058 R)
• M18: 18,908,423 km (0.116 R)
• M19: 20,472,319 km (0.045 R)
• M20: 24,154,072 km (0.114 R)
• M21: 28,145,194 km (0.1 R)
• M22: 33,664,607 km (0.111 R)
• M23: 35,438,688 km (0.113 R)
• M24: 36,348,692 km (0.103 R)
• M25: 38,897,391 km (0.051 R)
• M26: 39,587,486 km (0.064 R)
• M27: 40,285,659 km (0.075 R)
• M28: 41,994,965 km (0.063 R)
• M29: 46,324,327 km (0.085 R)
• M30: 60,160,185 km (0.117 R)
• M31: 63,908,958 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.2

Radius: 3.2

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 10.7 AU - 17.24 AU

Year: 18267 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,696,423 km

• M1: 40,242 km (0.085 R)
• M2: 307,573 km (0.104 R)
• M3: 677,230 km (0.119 R)
• M4: 1,335,161 km (0.085 R)
• M5: 4,133,389 km (0.088 R)
• M6: 5,444,615 km (0.101 R)
• M7: 6,646,783 km (0.054 R)
• M8: 7,347,499 km (0.042 R)
• M9: 8,764,790 km (0.066 R)
• M10: 12,020,039 km (0.076 R)
• M11: 12,394,932 km (0.077 R)
• M12: 13,508,987 km (0.052 R)
• M13: 19,868,692 km (0.107 R)
• M14: 20,166,840 km (0.048 R)
• M15: 21,939,575 km (0.069 R)
• M16: 24,746,181 km (0.055 R)
• M17: 29,294,105 km (0.096 R)
• M18: 29,972,083 km (0.092 R)
• M19: 32,789,011 km (0.077 R)
• M20: 34,048,475 km (0.116 R)
• M21: 35,013,980 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.9

Radius: 6.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 15.02 AU - 17.66 AU

Year: 23108 Days

Day: 24.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,696,423 km

• M1: 82,129 km (0.082 R)
• M2: 351,256 km (0.07 R)
• M3: 688,150 km (0.052 R)
• M4: 1,467,256 km (0.084 R)
• M5: 2,392,668 km (0.115 R)
• M6: 3,181,348 km (0.079 R)
• M7: 7,237,395 km (0.105 R)
• M8: 8,948,197 km (0.045 R)
• M9: 11,888,094 km (0.079 R)
• M10: 19,509,358 km (0.094 R)
• M11: 20,406,945 km (0.086 R)
• M12: 24,444,890 km (0.086 R)
• M13: 25,575,850 km (0.096 R)
• M14: 34,164,264 km (0.109 R)
• M15: 38,750,037 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.5

Radius: 7.1

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 13.64 AU - 19.16 AU

Year: 23235 Days

Day: 23.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,696,423 km

• M1: 88,412 km (0.092 R)
• M2: 418,126 km (0.1 R)
• M3: 1,145,920 km (0.106 R)
• M4: 1,378,993 km (0.092 R)
• M5: 2,931,969 km (0.044 R)
• M6: 5,935,445 km (0.111 R)
• M7: 6,194,549 km (0.107 R)
• M8: 13,548,331 km (0.108 R)
• M9: 15,490,560 km (0.064 R)
• M10: 18,972,600 km (0.099 R)
• M11: 19,631,280 km (0.088 R)
• M12: 20,402,606 km (0.098 R)
• M13: 23,049,142 km (0.05 R)
• M14: 24,786,871 km (0.104 R)
• M15: 25,347,265 km (0.068 R)
• M16: 31,294,827 km (0.106 R)
• M17: 32,346,650 km (0.09 R)
• M18: 32,747,123 km (0.088 R)
• M19: 35,501,819 km (0.118 R)
• M20: 35,785,456 km (0.039 R)
• M21: 50,354,494 km (0.06 R)
• M22: 53,453,414 km (0.096 R)
• M23: 57,064,856 km (0.083 R)
• M24: 59,427,754 km (0.09 R)
• M25: 62,265,775 km (0.071 R)
• M26: 77,581,306 km (0.063 R)
• M27: 79,990,281 km (0.114 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 19,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit