🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 10.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.57 AU - 0.91 AU

Year: 439 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,443,581 km

• M1: 131,796 km (0.075 R)
• M2: 518,656 km (0.09 R)
• M3: 1,083,837 km (0.03 R)
• M4: 1,560,156 km (0.057 R)
• M5: 2,475,845 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 8

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.73 AU - 0.95 AU

Year: 531 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,443,581 km

• M1: 99,483 km (0.108 R)
• M2: 353,051 km (0.103 R)
• M3: 717,322 km (0.093 R)
• M4: 1,131,110 km (0.106 R)
• M5: 1,380,040 km (0.112 R)
• M6: 1,681,779 km (0.113 R)
• M7: 2,482,128 km (0.066 R)
• M8: 2,772,946 km (0.108 R)
• M9: 3,436,562 km (0.09 R)
• M10: 3,954,021 km (0.119 R)
• M11: 4,367,659 km (0.088 R)
• M12: 4,616,889 km (0.08 R)
• M13: 5,178,181 km (0.039 R)
• M14: 5,475,432 km (0.109 R)
• M15: 6,925,783 km (0.118 R)
• M16: 7,201,043 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.8

Radius: 10

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.89 AU - 1.27 AU

Year: 775 Days

Day: 7.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,443,581 km

• M1: 124,914 km (0.09 R)
• M2: 445,054 km (0.087 R)
• M3: 871,408 km (0.037 R)
• M4: 1,188,555 km (0.093 R)
• M5: 1,728,005 km (0.114 R)
• M6: 2,328,192 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 13.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1 AU - 1.48 AU

Year: 953 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,443,581 km

• M1: 165,605 km (0.039 R)
• M2: 597,344 km (0.087 R)
• M3: 1,325,288 km (0.067 R)
• M4: 2,161,689 km (0.103 R)
• M5: 3,139,611 km (0.1 R)
• M6: 3,871,892 km (0.075 R)
• M7: 4,785,337 km (0.096 R)
• M8: 5,274,821 km (0.111 R)
• M9: 5,737,826 km (0.1 R)
• M10: 6,902,745 km (0.083 R)
• M11: 7,820,229 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.1

Radius: 8.5

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.65 AU - 4.73 AU

Year: 5920 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,443,581 km

• M1: 105,915 km (0.034 R)
• M2: 425,307 km (0.111 R)
• M3: 696,677 km (0.079 R)
• M4: 975,079 km (0.081 R)
• M5: 1,293,274 km (0.086 R)
• M6: 2,018,374 km (0.083 R)
• M7: 2,737,940 km (0.075 R)
• M8: 3,089,794 km (0.111 R)
• M9: 4,947,202 km (0.046 R)
• M10: 5,496,076 km (0.049 R)
• M11: 7,664,049 km (0.118 R)
• M12: 8,105,961 km (0.036 R)
• M13: 8,432,084 km (0.109 R)
• M14: 9,215,378 km (0.104 R)
• M15: 9,824,840 km (0.103 R)
• M16: 10,120,894 km (0.089 R)
• M17: 11,568,254 km (0.056 R)
• M18: 12,405,553 km (0.033 R)
• M19: 15,456,452 km (0.031 R)
• M20: 16,368,251 km (0.052 R)
• M21: 17,101,729 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 10.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.6 AU - 6.22 AU

Year: 8686 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,443,581 km

• M1: 142,866 km (0.091 R)
• M2: 641,476 km (0.048 R)
• M3: 1,089,072 km (0.084 R)
• M4: 1,474,586 km (0.078 R)
• M5: 1,936,694 km (0.077 R)
• M6: 2,568,745 km (0.08 R)
• M7: 3,070,347 km (0.073 R)
• M8: 3,564,917 km (0.108 R)
• M9: 3,907,048 km (0.066 R)
• M10: 4,544,933 km (0.097 R)
• M11: 5,007,789 km (0.103 R)
• M12: 7,812,300 km (0.107 R)
• M13: 8,350,703 km (0.093 R)
• M14: 8,913,640 km (0.12 R)
• M15: 9,409,706 km (0.108 R)
• M16: 14,186,366 km (0.104 R)
• M17: 18,358,052 km (0.107 R)
• M18: 19,087,791 km (0.074 R)
• M19: 20,761,492 km (0.076 R)
• M20: 21,876,295 km (0.118 R)
• M21: 23,793,691 km (0.116 R)
• M22: 27,485,168 km (0.097 R)
• M23: 28,055,585 km (0.072 R)
• M24: 32,907,343 km (0.053 R)
• M25: 34,202,262 km (0.067 R)
• M26: 36,549,752 km (0.061 R)
• M27: 38,527,136 km (0.099 R)
• M28: 39,361,743 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.9

Radius: 6.2

Gravity: 13.13 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.44 AU - 6.76 AU

Year: 10399 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,443,581 km

• M1: 77,342 km (0.108 R)
• M2: 442,810 km (0.115 R)
• M3: 884,123 km (0.113 R)
• M4: 1,170,454 km (0.094 R)
• M5: 1,411,606 km (0.087 R)
• M6: 1,760,019 km (0.074 R)
• M7: 2,688,723 km (0.086 R)
• M8: 2,959,345 km (0.068 R)
• M9: 3,271,107 km (0.082 R)
• M10: 3,531,258 km (0.087 R)
• M11: 4,039,741 km (0.099 R)
• M12: 4,423,759 km (0.116 R)
• M13: 6,031,936 km (0.063 R)
• M14: 6,315,424 km (0.109 R)
• M15: 9,235,425 km (0.113 R)
• M16: 9,660,283 km (0.117 R)
• M17: 10,246,856 km (0.111 R)
• M18: 11,013,096 km (0.114 R)
• M19: 11,816,885 km (0.047 R)
• M20: 14,274,928 km (0.087 R)
• M21: 16,705,893 km (0.086 R)
• M22: 16,914,283 km (0.081 R)
• M23: 19,399,553 km (0.114 R)
• M24: 22,878,002 km (0.101 R)
• M25: 24,539,287 km (0.076 R)
• M26: 25,080,233 km (0.119 R)
• M27: 26,467,304 km (0.102 R)
• M28: 29,191,930 km (0.115 R)
• M29: 30,003,499 km (0.105 R)
• M30: 30,208,597 km (0.103 R)
• M31: 31,565,450 km (0.117 R)
• M32: 37,637,328 km (0.111 R)
• M33: 39,084,837 km (0.072 R)
• M34: 41,962,502 km (0.073 R)
• M35: 42,865,475 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit