🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 12.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.86 AU - 1.06 AU

Year: 617 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,271,861 km

• M1: 159,471 km (0.056 R)
• M2: 629,059 km (0.119 R)
• M3: 1,193,342 km (0.085 R)
• M4: 1,741,319 km (0.074 R)
• M5: 2,294,383 km (0.119 R)
• M6: 2,790,000 km (0.083 R)
• M7: 3,214,110 km (0.057 R)
• M8: 4,409,397 km (0.063 R)
• M9: 5,198,676 km (0.069 R)
• M10: 5,618,896 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 12

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,271,861 km

• M1: 149,299 km (0.115 R)
• M2: 596,148 km (0.056 R)
• M3: 1,156,242 km (0.117 R)
• M4: 1,540,858 km (0.11 R)
• M5: 1,935,946 km (0.095 R)
• M6: 2,370,378 km (0.109 R)
• M7: 3,181,348 km (0.06 R)
• M8: 3,887,450 km (0.107 R)
• M9: 4,359,581 km (0.093 R)
• M10: 4,837,846 km (0.099 R)
• M11: 5,215,131 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 15

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.28 AU - 2.36 AU

Year: 2318 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,271,861 km

• M1: 186,549 km (0.08 R)
• M2: 720,912 km (0.102 R)
• M3: 2,524,614 km (0.098 R)
• M4: 3,388,541 km (0.104 R)
• M5: 4,277,302 km (0.103 R)
• M6: 5,423,222 km (0.098 R)
• M7: 10,431,011 km (0.082 R)
• M8: 10,941,439 km (0.088 R)
• M9: 11,902,455 km (0.113 R)
• M10: 12,611,998 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 8.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.73 AU - 4.37 AU

Year: 5347 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,271,861 km

• M1: 112,797 km (0.075 R)
• M2: 725,699 km (0.117 R)
• M3: 1,104,331 km (0.12 R)
• M4: 2,198,191 km (0.067 R)
• M5: 2,804,960 km (0.031 R)
• M6: 3,201,544 km (0.096 R)
• M7: 5,983,466 km (0.108 R)
• M8: 7,188,626 km (0.119 R)
• M9: 8,428,942 km (0.098 R)
• M10: 10,105,336 km (0.109 R)
• M11: 14,104,686 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 9.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.05 AU - 5.57 AU

Year: 8027 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,271,861 km

• M1: 117,285 km (0.09 R)
• M2: 672,592 km (0.118 R)
• M3: 969,245 km (0.067 R)
• M4: 1,345,184 km (0.047 R)
• M5: 3,198,702 km (0.092 R)
• M6: 4,822,587 km (0.102 R)
• M7: 5,459,724 km (0.075 R)
• M8: 6,969,316 km (0.109 R)
• M9: 7,421,999 km (0.115 R)
• M10: 8,464,248 km (0.114 R)
• M11: 10,206,165 km (0.116 R)
• M12: 12,175,023 km (0.061 R)
• M13: 14,890,972 km (0.117 R)
• M14: 18,181,228 km (0.06 R)
• M15: 20,414,425 km (0.068 R)
• M16: 24,137,018 km (0.1 R)
• M17: 25,255,262 km (0.034 R)
• M18: 26,491,389 km (0.028 R)
• M19: 26,912,208 km (0.09 R)
• M20: 28,728,775 km (0.104 R)
• M21: 31,089,130 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.6

Radius: 3.2

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.97 AU - 7.41 AU

Year: 12647 Days

Day: 20.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,271,861 km

• M1: 39,793 km (0.106 R)
• M2: 171,140 km (0.091 R)
• M3: 316,998 km (0.11 R)
• M4: 427,401 km (0.1 R)
• M5: 805,585 km (0.085 R)
• M6: 1,123,181 km (0.116 R)
• M7: 1,286,093 km (0.107 R)
• M8: 1,601,744 km (0.026 R)
• M9: 1,777,971 km (0.095 R)
• M10: 2,293,036 km (0.112 R)
• M11: 3,784,527 km (0.087 R)
• M12: 4,833,208 km (0.097 R)
• M13: 6,237,034 km (0.051 R)
• M14: 7,443,092 km (0.032 R)
• M15: 8,143,210 km (0.097 R)
• M16: 8,400,369 km (0.097 R)
• M17: 8,663,063 km (0.117 R)
• M18: 8,931,142 km (0.042 R)
• M19: 10,305,199 km (0.08 R)
• M20: 10,758,780 km (0.115 R)
• M21: 11,759,739 km (0.081 R)
• M22: 14,251,142 km (0.074 R)
• M23: 15,004,517 km (0.051 R)
• M24: 17,423,215 km (0.12 R)
• M25: 18,947,767 km (0.093 R)
• M26: 20,401,559 km (0.083 R)
• M27: 25,843,780 km (0.076 R)
• M28: 30,919,486 km (0.108 R)
• M29: 31,126,979 km (0.092 R)
• M30: 31,230,949 km (0.11 R)
• M31: 36,504,872 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.3

Radius: 5.6

Gravity: 22.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.79 AU - 10.35 AU

Year: 17919 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 63.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,271,861 km

• M1: 83,476 km (0.112 R)
• M2: 273,465 km (0.119 R)
• M3: 597,643 km (0.11 R)
• M4: 970,292 km (0.041 R)
• M5: 1,250,339 km (0.059 R)
• M6: 1,770,491 km (0.079 R)
• M7: 1,972,897 km (0.118 R)
• M8: 2,170,366 km (0.104 R)
• M9: 2,359,308 km (0.101 R)
• M10: 2,917,906 km (0.115 R)
• M11: 3,096,377 km (0.083 R)
• M12: 3,309,254 km (0.084 R)
• M13: 3,503,582 km (0.072 R)
• M14: 4,834,704 km (0.042 R)
• M15: 6,134,859 km (0.115 R)
• M16: 6,428,968 km (0.048 R)
• M17: 7,274,944 km (0.105 R)
• M18: 9,908,914 km (0.067 R)
• M19: 10,490,999 km (0.107 R)
• M20: 11,595,780 km (0.116 R)
• M21: 11,851,443 km (0.108 R)
• M22: 12,045,621 km (0.066 R)
• M23: 14,471,200 km (0.09 R)
• M24: 15,143,792 km (0.092 R)
• M25: 17,704,459 km (0.065 R)
• M26: 18,300,756 km (0.066 R)
• M27: 20,914,381 km (0.113 R)
• M28: 22,955,344 km (0.077 R)
• M29: 24,283,325 km (0.104 R)
• M30: 25,019,047 km (0.09 R)
• M31: 28,805,668 km (0.077 R)
• M32: 40,635,120 km (0.057 R)
• M33: 44,729,315 km (0.11 R)
• M34: 48,261,919 km (0.116 R)
• M35: 54,793,960 km (0.109 R)
• M36: 55,153,145 km (0.114 R)
• M37: 61,309,695 km (0.079 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: 517 - 17,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit