🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.4

Radius: 8.4

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 9.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,832,099 km

• M1: 104,419 km (0.108 R)
• M2: 416,929 km (0.112 R)
• M3: 798,853 km (0.112 R)
• M4: 1,148,912 km (0.104 R)
• M5: 1,574,667 km (0.087 R)
• M6: 1,912,310 km (0.109 R)
• M7: 2,190,711 km (0.093 R)
• M8: 2,725,374 km (0.102 R)
• M9: 3,226,228 km (0.067 R)
• M10: 3,931,133 km (0.106 R)
• M11: 4,268,476 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 13.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.54 AU - 2.92 AU

Year: 3114 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,832,099 km

• M1: 170,691 km (0.102 R)
• M2: 597,344 km (0.113 R)
• M3: 1,504,207 km (0.079 R)
• M4: 2,026,303 km (0.06 R)
• M5: 3,112,234 km (0.055 R)
• M6: 4,989,538 km (0.069 R)
• M7: 6,732,054 km (0.105 R)
• M8: 7,591,793 km (0.045 R)
• M9: 9,357,347 km (0.035 R)
• M10: 10,577,467 km (0.119 R)
• M11: 11,461,441 km (0.088 R)
• M12: 13,376,593 km (0.093 R)
• M13: 14,318,461 km (0.091 R)
• M14: 14,923,435 km (0.1 R)
• M15: 15,593,932 km (0.119 R)
• M16: 16,384,707 km (0.09 R)
• M17: 17,202,110 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 14.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.63 AU - 5.07 AU

Year: 6262 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,832,099 km

• M1: 182,509 km (0.115 R)
• M2: 865,723 km (0.102 R)
• M3: 1,378,096 km (0.115 R)
• M4: 1,857,856 km (0.106 R)
• M5: 2,344,199 km (0.058 R)
• M6: 3,227,424 km (0.098 R)
• M7: 5,796,319 km (0.085 R)
• M8: 7,379,065 km (0.076 R)
• M9: 8,001,541 km (0.032 R)
• M10: 8,546,975 km (0.084 R)
• M11: 10,461,379 km (0.049 R)
• M12: 11,159,104 km (0.074 R)
• M13: 12,454,771 km (0.079 R)
• M14: 13,592,313 km (0.089 R)
• M15: 15,344,104 km (0.118 R)
• M16: 16,245,730 km (0.049 R)
• M17: 17,242,202 km (0.119 R)
• M18: 18,528,743 km (0.102 R)
• M19: 19,227,814 km (0.085 R)
• M20: 24,472,865 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.8

Radius: 6.1

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.48 AU - 7.64 AU

Year: 11598 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 89,832,099 km

• M1: 76,893 km (0.096 R)
• M2: 433,385 km (0.083 R)
• M3: 657,034 km (0.112 R)
• M4: 1,094,159 km (0.107 R)
• M5: 1,419,833 km (0.097 R)
• M6: 1,741,768 km (0.037 R)
• M7: 1,982,621 km (0.065 R)
• M8: 2,285,257 km (0.068 R)
• M9: 2,489,608 km (0.103 R)
• M10: 3,030,853 km (0.117 R)
• M11: 3,227,873 km (0.078 R)
• M12: 3,675,021 km (0.115 R)
• M13: 4,014,908 km (0.114 R)
• M14: 5,371,760 km (0.106 R)
• M15: 5,809,933 km (0.099 R)
• M16: 7,399,260 km (0.041 R)
• M17: 10,489,055 km (0.092 R)
• M18: 10,713,751 km (0.109 R)
• M19: 15,258,384 km (0.099 R)
• M20: 17,123,122 km (0.046 R)
• M21: 17,434,884 km (0.108 R)
• M22: 18,393,208 km (0.056 R)
• M23: 20,676,819 km (0.056 R)
• M24: 26,208,051 km (0.076 R)
• M25: 26,830,977 km (0.068 R)
• M26: 27,998,737 km (0.08 R)
• M27: 32,293,393 km (0.119 R)
• M28: 34,969,998 km (0.094 R)
• M29: 36,877,521 km (0.104 R)
• M30: 39,256,875 km (0.113 R)
• M31: 40,760,184 km (0.071 R)
• M32: 42,443,459 km (0.078 R)
• M33: 47,463,515 km (0.11 R)
• M34: 48,078,960 km (0.052 R)
• M35: 53,360,663 km (0.117 R)
• M36: 55,713,538 km (0.106 R)
• M37: 56,570,435 km (0.096 R)
• M38: 58,310,408 km (0.116 R)
• M39: 58,662,561 km (0.109 R)
• M40: 59,371,356 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.9

Radius: 6.4

Gravity: 20.48 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.24 AU - 12.58 AU

Year: 23184 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,832,099 km

• M1: 79,586 km (0.075 R)
• M2: 310,416 km (0.037 R)
• M3: 666,459 km (0.108 R)
• M4: 996,771 km (0.117 R)
• M5: 1,399,488 km (0.097 R)
• M6: 1,885,681 km (0.102 R)
• M7: 2,360,355 km (0.107 R)
• M8: 3,393,777 km (0.113 R)
• M9: 4,302,136 km (0.073 R)
• M10: 5,485,904 km (0.108 R)
• M11: 5,823,696 km (0.076 R)
• M12: 6,041,809 km (0.108 R)
• M13: 8,313,004 km (0.112 R)
• M14: 11,501,832 km (0.117 R)
• M15: 12,845,670 km (0.043 R)
• M16: 13,441,668 km (0.116 R)
• M17: 14,291,085 km (0.104 R)
• M18: 18,606,834 km (0.107 R)
• M19: 19,369,334 km (0.087 R)
• M20: 20,251,961 km (0.091 R)
• M21: 22,202,867 km (0.102 R)
• M22: 23,497,487 km (0.116 R)
• M23: 26,118,442 km (0.076 R)
• M24: 29,436,074 km (0.103 R)
• M25: 38,706,205 km (0.111 R)
• M26: 42,019,948 km (0.106 R)
• M27: 47,425,367 km (0.075 R)
• M28: 68,161,427 km (0.081 R)
• M29: 73,678,896 km (0.111 R)
• M30: 81,236,581 km (0.074 R)
• M31: 83,011,858 km (0.116 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: 277 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit