🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 12.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.98 AU - 1.06 AU

Year: 724 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,323,176 km

• M1: 154,235 km (0.12 R)
• M2: 553,063 km (0.059 R)
• M3: 1,096,403 km (0.065 R)
• M4: 1,778,270 km (0.11 R)
• M5: 2,879,310 km (0.055 R)
• M6: 3,302,373 km (0.089 R)
• M7: 3,837,185 km (0.107 R)
• M8: 4,250,674 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 8.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.9 AU - 1.18 AU

Year: 746 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,323,176 km

• M1: 109,655 km (0.063 R)
• M2: 628,012 km (0.119 R)
• M3: 919,578 km (0.065 R)
• M4: 1,477,728 km (0.105 R)
• M5: 2,358,410 km (0.086 R)
• M6: 3,404,997 km (0.109 R)
• M7: 4,776,959 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587

Radius: 13.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.07 AU - 2.51 AU

Year: 2436 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,323,176 km

• M1: 192,532 km (0.083 R)
• M2: 809,324 km (0.098 R)
• M3: 1,483,861 km (0.108 R)
• M4: 2,317,570 km (0.034 R)
• M5: 2,849,540 km (0.104 R)
• M6: 3,692,375 km (0.113 R)
• M7: 5,437,284 km (0.074 R)
• M8: 6,307,645 km (0.086 R)
• M9: 9,832,619 km (0.118 R)
• M10: 13,555,661 km (0.041 R)
• M11: 14,045,146 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 10.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.24 AU - 6.34 AU

Year: 8552 Days

Day: 11.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 100.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,323,176 km

• M1: 135,685 km (0.092 R)
• M2: 754,721 km (0.056 R)
• M3: 3,997,704 km (0.087 R)
• M4: 5,511,485 km (0.079 R)
• M5: 6,397,852 km (0.038 R)
• M6: 7,018,534 km (0.106 R)
• M7: 8,672,338 km (0.076 R)
• M8: 9,123,525 km (0.083 R)
• M9: 12,354,839 km (0.112 R)
• M10: 13,416,835 km (0.095 R)
• M11: 15,666,787 km (0.082 R)
• M12: 17,026,482 km (0.097 R)
• M13: 17,855,104 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 5.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.2 AU - 8.72 AU

Year: 15786 Days

Day: 21.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,323,176 km

• M1: 69,713 km (0.062 R)
• M2: 274,961 km (0.114 R)
• M3: 882,328 km (0.08 R)
• M4: 2,310,838 km (0.072 R)
• M5: 2,658,055 km (0.079 R)
• M6: 3,937,117 km (0.044 R)
• M7: 4,375,588 km (0.044 R)
• M8: 5,220,367 km (0.07 R)
• M9: 6,991,307 km (0.116 R)
• M10: 7,592,242 km (0.114 R)
• M11: 10,445,372 km (0.059 R)
• M12: 11,016,836 km (0.071 R)
• M13: 11,229,714 km (0.116 R)
• M14: 12,507,728 km (0.05 R)
• M15: 12,739,455 km (0.069 R)
• M16: 13,756,571 km (0.113 R)
• M17: 17,561,593 km (0.106 R)
• M18: 19,899,359 km (0.115 R)
• M19: 22,521,959 km (0.093 R)
• M20: 23,386,486 km (0.081 R)
• M21: 23,561,964 km (0.039 R)
• M22: 26,491,539 km (0.051 R)
• M23: 28,142,501 km (0.078 R)
• M24: 34,858,548 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.1

Radius: 7.4

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.85 AU - 9.17 AU

Year: 17450 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,323,176 km

• M1: 110,702 km (0.093 R)
• M2: 429,795 km (0.077 R)
• M3: 679,174 km (0.082 R)
• M4: 914,193 km (0.076 R)
• M5: 1,205,011 km (0.05 R)
• M6: 2,034,531 km (0.042 R)
• M7: 3,613,088 km (0.037 R)
• M8: 5,001,356 km (0.094 R)
• M9: 5,914,950 km (0.08 R)
• M10: 7,725,982 km (0.08 R)
• M11: 10,165,624 km (0.034 R)
• M12: 11,122,452 km (0.117 R)
• M13: 11,943,146 km (0.048 R)
• M14: 12,803,483 km (0.114 R)
• M15: 17,316,103 km (0.067 R)
• M16: 21,611,806 km (0.117 R)
• M17: 22,096,503 km (0.12 R)
• M18: 24,004,474 km (0.118 R)
• M19: 29,783,440 km (0.114 R)
• M20: 32,611,438 km (0.09 R)
• M21: 33,249,024 km (0.105 R)
• M22: 33,635,585 km (0.09 R)
• M23: 34,025,138 km (0.099 R)
• M24: 34,286,486 km (0.069 R)
• M25: 46,675,134 km (0.108 R)
• M26: 47,159,831 km (0.085 R)
• M27: 48,303,806 km (0.039 R)
• M28: 49,633,731 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit