🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.9

Radius: 13

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.08 AU - 1.74 AU

Year: 1098 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,160,740 km

• M1: 162,463 km (0.109 R)
• M2: 708,196 km (0.092 R)
• M3: 1,148,612 km (0.087 R)
• M4: 1,579,903 km (0.096 R)
• M5: 2,446,673 km (0.081 R)
• M6: 3,255,549 km (0.079 R)
• M7: 4,396,681 km (0.109 R)
• M8: 5,097,099 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.6

Radius: 8.1

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.38 AU - 5.6 AU

Year: 7312 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,160,740 km

• M1: 100,679 km (0.048 R)
• M2: 353,051 km (0.104 R)
• M3: 927,656 km (0.106 R)
• M4: 1,238,371 km (0.074 R)
• M5: 1,534,276 km (0.049 R)
• M6: 1,946,567 km (0.118 R)
• M7: 2,366,489 km (0.092 R)
• M8: 2,937,653 km (0.11 R)
• M9: 3,246,274 km (0.112 R)
• M10: 3,683,997 km (0.114 R)
• M11: 4,500,951 km (0.041 R)
• M12: 4,755,268 km (0.071 R)
• M13: 5,237,272 km (0.077 R)
• M14: 6,361,949 km (0.108 R)
• M15: 6,981,134 km (0.11 R)
• M16: 7,427,385 km (0.054 R)
• M17: 8,339,184 km (0.106 R)
• M18: 10,560,413 km (0.08 R)
• M19: 10,965,524 km (0.104 R)
• M20: 11,903,054 km (0.088 R)
• M21: 16,791,164 km (0.119 R)
• M22: 17,343,330 km (0.052 R)
• M23: 21,841,738 km (0.101 R)
• M24: 22,132,556 km (0.042 R)
• M25: 23,095,817 km (0.065 R)
• M26: 25,504,941 km (0.058 R)
• M27: 25,989,788 km (0.114 R)
• M28: 26,563,196 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 8.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.97 AU - 6.01 AU

Year: 7312 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,160,740 km

• M1: 110,702 km (0.109 R)
• M2: 478,414 km (0.1 R)
• M3: 758,312 km (0.055 R)
• M4: 1,419,684 km (0.095 R)
• M5: 1,856,510 km (0.088 R)
• M6: 2,467,916 km (0.091 R)
• M7: 3,725,885 km (0.115 R)
• M8: 4,129,350 km (0.053 R)
• M9: 4,835,751 km (0.089 R)
• M10: 5,391,657 km (0.082 R)
• M11: 7,409,882 km (0.099 R)
• M12: 7,693,519 km (0.113 R)
• M13: 8,865,918 km (0.053 R)
• M14: 9,848,626 km (0.07 R)
• M15: 10,543,060 km (0.114 R)
• M16: 15,361,308 km (0.078 R)
• M17: 16,829,461 km (0.114 R)
• M18: 17,877,544 km (0.037 R)
• M19: 19,560,221 km (0.069 R)
• M20: 21,030,618 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.7

Radius: 4.2

Gravity: 25.89 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.06 AU - 8.18 AU

Year: 15179 Days

Day: 16.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,160,740 km

• M1: 69,563 km (0.082 R)
• M2: 210,484 km (0.073 R)
• M3: 363,822 km (0.105 R)
• M4: 507,586 km (0.089 R)
• M5: 1,213,987 km (0.113 R)
• M6: 1,385,875 km (0.093 R)
• M7: 1,682,378 km (0.074 R)
• M8: 1,879,847 km (0.025 R)
• M9: 2,166,925 km (0.09 R)
• M10: 2,545,258 km (0.048 R)
• M11: 3,355,181 km (0.071 R)
• M12: 3,695,666 km (0.081 R)
• M13: 3,916,472 km (0.025 R)
• M14: 7,253,103 km (0.109 R)
• M15: 9,245,148 km (0.109 R)
• M16: 9,396,392 km (0.114 R)
• M17: 9,600,593 km (0.107 R)
• M18: 10,393,013 km (0.088 R)
• M19: 16,009,964 km (0.093 R)
• M20: 18,203,817 km (0.053 R)
• M21: 20,419,062 km (0.059 R)
• M22: 21,195,625 km (0.104 R)
• M23: 21,724,154 km (0.12 R)
• M24: 22,624,584 km (0.086 R)
• M25: 23,269,500 km (0.094 R)
• M26: 26,985,511 km (0.06 R)
• M27: 29,963,706 km (0.084 R)
• M28: 33,389,946 km (0.078 R)
• M29: 38,351,957 km (0.081 R)
• M30: 39,267,945 km (0.08 R)
• M31: 42,658,581 km (0.086 R)
• M32: 46,978,369 km (0.07 R)
• M33: 50,637,383 km (0.118 R)
• M34: 52,536,079 km (0.114 R)
• M35: 54,154,280 km (0.077 R)
• M36: 55,306,482 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.3

Radius: 3.3

Gravity: 43.92 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.94 AU - 9.5 AU

Year: 16892 Days

Day: 16.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,160,740 km

• M1: 42,336 km (0.084 R)
• M2: 195,973 km (0.094 R)
• M3: 353,051 km (0.092 R)
• M4: 774,468 km (0.08 R)
• M5: 1,017,116 km (0.097 R)
• M6: 1,336,059 km (0.095 R)
• M7: 1,701,227 km (0.08 R)
• M8: 1,925,025 km (0.067 R)
• M9: 2,110,078 km (0.073 R)
• M10: 2,246,661 km (0.09 R)
• M11: 4,866,718 km (0.118 R)
• M12: 6,790,547 km (0.107 R)
• M13: 12,294,551 km (0.115 R)
• M14: 13,722,164 km (0.068 R)
• M15: 14,061,302 km (0.067 R)
• M16: 16,365,708 km (0.038 R)
• M17: 17,448,497 km (0.079 R)
• M18: 18,413,852 km (0.1 R)
• M19: 20,187,933 km (0.111 R)
• M20: 25,266,332 km (0.054 R)
• M21: 27,451,060 km (0.049 R)
• M22: 30,555,515 km (0.095 R)
• M23: 30,785,746 km (0.093 R)
• M24: 32,910,784 km (0.071 R)
• M25: 33,762,893 km (0.108 R)
• M26: 34,009,131 km (0.092 R)
• M27: 36,149,877 km (0.072 R)
• M28: 36,796,139 km (0.04 R)
• M29: 42,246,588 km (0.033 R)
• M30: 46,063,428 km (0.096 R)
• M31: 47,590,523 km (0.101 R)
• M32: 52,538,772 km (0.075 R)
• M33: 52,869,234 km (0.114 R)
• M34: 58,347,807 km (0.093 R)
• M35: 58,702,354 km (0.115 R)
• M36: 59,058,247 km (0.104 R)
• M37: 60,134,454 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.9

Radius: 4.9

Gravity: 30.52 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.91 AU - 10.69 AU

Year: 18605 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,160,740 km

• M1: 61,934 km (0.043 R)
• M2: 227,538 km (0.119 R)
• M3: 418,575 km (0.061 R)
• M4: 1,635,853 km (0.093 R)
• M5: 2,061,608 km (0.063 R)
• M6: 2,268,502 km (0.108 R)
• M7: 2,557,974 km (0.078 R)
• M8: 3,210,819 km (0.071 R)
• M9: 5,280,954 km (0.078 R)
• M10: 9,048,278 km (0.108 R)
• M11: 10,006,452 km (0.1 R)
• M12: 10,844,798 km (0.081 R)
• M13: 11,218,045 km (0.094 R)
• M14: 11,793,997 km (0.1 R)
• M15: 13,496,869 km (0.116 R)
• M16: 13,783,649 km (0.096 R)
• M17: 16,227,031 km (0.1 R)
• M18: 20,223,388 km (0.077 R)
• M19: 23,360,306 km (0.099 R)
• M20: 24,829,207 km (0.117 R)
• M21: 25,368,358 km (0.113 R)
• M22: 26,025,691 km (0.091 R)
• M23: 26,247,246 km (0.05 R)
• M24: 30,577,506 km (0.064 R)
• M25: 31,072,375 km (0.114 R)
• M26: 32,717,503 km (0.116 R)
• M27: 38,000,103 km (0.105 R)
• M28: 38,860,141 km (0.118 R)
• M29: 39,733,045 km (0.095 R)
• M30: 41,367,252 km (0.112 R)
• M31: 46,213,026 km (0.104 R)
• M32: 55,350,015 km (0.1 R)
• M33: 58,707,440 km (0.109 R)
• M34: 70,445,488 km (0.089 R)
• M35: 71,308,219 km (0.046 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 19,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit