🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.7

Radius: 13.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,492,883 km

• M1: 165,754 km (0.079 R)
• M2: 784,042 km (0.096 R)
• M3: 1,309,879 km (0.1 R)
• M4: 1,727,556 km (0.075 R)
• M5: 2,321,759 km (0.118 R)
• M6: 2,775,190 km (0.1 R)
• M7: 4,028,072 km (0.114 R)
• M8: 4,452,033 km (0.09 R)
• M9: 4,920,424 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 12.6

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.9 AU - 1.06 AU

Year: 670 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,492,883 km

• M1: 156,779 km (0.088 R)
• M2: 550,520 km (0.08 R)
• M3: 1,474,736 km (0.074 R)
• M4: 1,964,669 km (0.037 R)
• M5: 2,410,620 km (0.081 R)
• M6: 3,061,072 km (0.12 R)
• M7: 3,623,560 km (0.106 R)
• M8: 4,334,150 km (0.084 R)
• M9: 4,887,063 km (0.111 R)
• M10: 5,337,054 km (0.093 R)
• M11: 5,736,330 km (0.09 R)
• M12: 7,146,440 km (0.11 R)
• M13: 7,538,536 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.5

Radius: 13.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.33 AU - 1.83 AU

Year: 1371 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,492,883 km

• M1: 166,652 km (0.107 R)
• M2: 612,005 km (0.099 R)
• M3: 1,307,037 km (0.091 R)
• M4: 2,055,774 km (0.118 R)
• M5: 2,628,285 km (0.117 R)
• M6: 3,345,756 km (0.104 R)
• M7: 4,739,261 km (0.066 R)
• M8: 5,299,205 km (0.111 R)
• M9: 6,637,358 km (0.09 R)
• M10: 7,804,371 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.8

Radius: 8.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.3 AU - 2.6 AU

Year: 2647 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,492,883 km

• M1: 102,175 km (0.095 R)
• M2: 384,616 km (0.078 R)
• M3: 646,263 km (0.102 R)
• M4: 933,940 km (0.098 R)
• M5: 1,290,880 km (0.056 R)
• M6: 1,561,353 km (0.116 R)
• M7: 1,915,900 km (0.073 R)
• M8: 2,297,225 km (0.047 R)
• M9: 3,573,295 km (0.038 R)
• M10: 5,719,725 km (0.082 R)
• M11: 5,993,489 km (0.1 R)
• M12: 6,702,882 km (0.065 R)
• M13: 7,794,647 km (0.104 R)
• M14: 8,162,808 km (0.105 R)
• M15: 8,900,924 km (0.113 R)
• M16: 9,269,383 km (0.08 R)
• M17: 9,682,872 km (0.084 R)
• M18: 11,227,919 km (0.045 R)
• M19: 12,099,625 km (0.066 R)
• M20: 13,273,370 km (0.058 R)
• M21: 13,666,364 km (0.089 R)
• M22: 16,238,550 km (0.081 R)
• M23: 17,146,010 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 8.4

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.7 AU - 4.62 AU

Year: 5857 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,492,883 km

• M1: 104,719 km (0.118 R)
• M2: 380,577 km (0.097 R)
• M3: 841,338 km (0.093 R)
• M4: 1,341,145 km (0.117 R)
• M5: 2,432,461 km (0.057 R)
• M6: 3,628,048 km (0.067 R)
• M7: 4,458,914 km (0.069 R)
• M8: 5,263,003 km (0.075 R)
• M9: 5,777,470 km (0.104 R)
• M10: 6,663,089 km (0.061 R)
• M11: 7,486,625 km (0.049 R)
• M12: 7,903,555 km (0.09 R)
• M13: 8,256,306 km (0.108 R)
• M14: 10,597,663 km (0.102 R)
• M15: 11,971,121 km (0.09 R)
• M16: 12,436,669 km (0.12 R)
• M17: 13,349,216 km (0.119 R)
• M18: 13,906,468 km (0.085 R)
• M19: 14,537,173 km (0.108 R)
• M20: 14,889,177 km (0.12 R)
• M21: 18,867,283 km (0.092 R)
• M22: 20,360,869 km (0.107 R)
• M23: 23,905,441 km (0.054 R)
• M24: 24,727,032 km (0.097 R)
• M25: 25,482,501 km (0.107 R)
• M26: 26,775,476 km (0.106 R)
• M27: 27,039,366 km (0.092 R)
• M28: 28,566,910 km (0.054 R)
• M29: 30,532,477 km (0.108 R)
• M30: 31,891,872 km (0.076 R)
• M31: 33,392,489 km (0.089 R)
• M32: 33,903,066 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523

Radius: 8.6

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.34 AU - 6.14 AU

Year: 8280 Days

Day: 13.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,492,883 km

• M1: 106,962 km (0.067 R)
• M2: 600,486 km (0.075 R)
• M3: 961,615 km (0.114 R)
• M4: 1,288,187 km (0.029 R)
• M5: 2,590,886 km (0.044 R)
• M6: 3,547,564 km (0.096 R)
• M7: 4,235,415 km (0.09 R)
• M8: 4,666,855 km (0.088 R)
• M9: 5,554,719 km (0.088 R)
• M10: 5,939,933 km (0.11 R)
• M11: 12,006,875 km (0.117 R)
• M12: 14,069,829 km (0.094 R)
• M13: 14,365,584 km (0.116 R)
• M14: 19,316,825 km (0.095 R)
• M15: 22,292,775 km (0.085 R)
• M16: 22,776,276 km (0.054 R)
• M17: 26,448,006 km (0.054 R)
• M18: 26,718,030 km (0.1 R)
• M19: 30,496,274 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 10.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.62 AU - 6.18 AU

Year: 8662 Days

Day: 12.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,492,883 km

• M1: 130,300 km (0.098 R)
• M2: 593,455 km (0.117 R)
• M3: 1,486,105 km (0.103 R)
• M4: 2,091,977 km (0.089 R)
• M5: 2,993,005 km (0.051 R)
• M6: 3,819,234 km (0.063 R)
• M7: 5,484,557 km (0.113 R)
• M8: 6,512,295 km (0.082 R)
• M9: 7,000,283 km (0.077 R)
• M10: 7,400,906 km (0.076 R)
• M11: 9,906,820 km (0.111 R)
• M12: 11,575,584 km (0.028 R)
• M13: 16,778,748 km (0.092 R)
• M14: 18,649,170 km (0.054 R)
• M15: 20,286,668 km (0.079 R)
• M16: 22,563,697 km (0.052 R)
• M17: 23,038,670 km (0.038 R)
• M18: 24,255,649 km (0.116 R)
• M19: 25,857,992 km (0.086 R)
• M20: 28,437,807 km (0.094 R)
• M21: 29,178,765 km (0.099 R)
• M22: 30,122,878 km (0.09 R)
• M23: 32,371,483 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.7

Radius: 3.3

Gravity: 25.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.05 AU - 8.15 AU

Year: 11704 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,492,883 km

• M1: 131,796 km (0.085 R)
• M2: 954,285 km (0.062 R)
• M3: 2,240,228 km (0.06 R)
• M4: 3,856,184 km (0.105 R)
• M5: 4,136,980 km (0.099 R)
• M6: 4,376,935 km (0.048 R)
• M7: 6,392,317 km (0.119 R)
• M8: 6,604,896 km (0.042 R)
• M9: 13,114,348 km (0.052 R)
• M10: 15,200,041 km (0.037 R)
• M11: 22,599,152 km (0.053 R)
• M12: 22,926,771 km (0.065 R)
• M13: 25,930,697 km (0.075 R)
• M14: 27,018,123 km (0.073 R)
• M15: 27,759,680 km (0.071 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: 385 - 11,930 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit