🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 14.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.55 AU - 0.77 AU

Year: 364 Days

Day: 13.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 137.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,986,387 km

• M1: 179,069 km (0.098 R)
• M2: 647,310 km (0.064 R)
• M3: 1,251,087 km (0.044 R)
• M4: 1,701,377 km (0.095 R)
• M5: 2,283,013 km (0.103 R)
• M6: 2,771,899 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 9.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 14.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,986,387 km

• M1: 114,891 km (0.104 R)
• M2: 445,652 km (0.037 R)
• M3: 760,556 km (0.105 R)
• M4: 1,052,720 km (0.046 R)
• M5: 2,119,203 km (0.097 R)
• M6: 3,038,782 km (0.099 R)
• M7: 3,498,197 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.3

Radius: 13.9

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.58 AU - 1.84 AU

Year: 1517 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,986,387 km

• M1: 173,234 km (0.092 R)
• M2: 610,509 km (0.082 R)
• M3: 1,074,412 km (0.119 R)
• M4: 1,746,406 km (0.047 R)
• M5: 2,379,205 km (0.109 R)
• M6: 2,883,499 km (0.083 R)
• M7: 3,656,920 km (0.047 R)
• M8: 4,296,451 km (0.105 R)
• M9: 4,885,567 km (0.111 R)
• M10: 6,573,031 km (0.096 R)
• M11: 8,146,202 km (0.071 R)
• M12: 10,746,662 km (0.079 R)
• M13: 11,613,432 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.36 AU - 2.24 AU

Year: 1638 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,986,387 km

• M1: 158,125 km (0.117 R)
• M2: 787,932 km (0.112 R)
• M3: 1,428,061 km (0.084 R)
• M4: 2,161,540 km (0.049 R)
• M5: 2,749,160 km (0.059 R)
• M6: 3,362,960 km (0.056 R)
• M7: 3,856,035 km (0.096 R)
• M8: 4,473,276 km (0.096 R)
• M9: 5,325,834 km (0.101 R)
• M10: 5,837,159 km (0.089 R)
• M11: 6,332,478 km (0.104 R)
• M12: 6,984,575 km (0.06 R)
• M13: 8,364,466 km (0.117 R)
• M14: 8,812,063 km (0.112 R)
• M15: 10,319,112 km (0.094 R)
• M16: 10,730,057 km (0.093 R)
• M17: 12,331,502 km (0.05 R)
• M18: 13,229,538 km (0.061 R)

Asteroid Belt

Center: 2.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 14.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.98 AU - 4.12 AU

Year: 4537 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,986,387 km

• M1: 185,352 km (0.08 R)
• M2: 1,117,496 km (0.1 R)
• M3: 1,779,467 km (0.073 R)
• M4: 2,288,399 km (0.086 R)
• M5: 2,845,352 km (0.041 R)
• M6: 3,914,976 km (0.065 R)
• M7: 4,888,410 km (0.104 R)
• M8: 5,878,448 km (0.103 R)
• M9: 6,660,247 km (0.086 R)
• M10: 7,380,261 km (0.079 R)
• M11: 8,611,153 km (0.106 R)
• M12: 9,582,492 km (0.084 R)
• M13: 11,877,323 km (0.088 R)
• M14: 12,796,452 km (0.047 R)
• M15: 13,467,548 km (0.098 R)
• M16: 14,061,452 km (0.065 R)
• M17: 15,623,104 km (0.094 R)
• M18: 16,670,289 km (0.09 R)
• M19: 17,705,207 km (0.107 R)
• M20: 20,030,108 km (0.103 R)
• M21: 20,609,351 km (0.03 R)
• M22: 21,265,936 km (0.091 R)
• M23: 22,414,399 km (0.113 R)
• M24: 22,968,958 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 9.5

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.23 AU - 4.55 AU

Year: 6239 Days

Day: 11 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 27,986,387 km

• M1: 162,762 km (0.116 R)
• M2: 496,216 km (0.081 R)
• M3: 1,151,604 km (0.101 R)
• M4: 1,503,608 km (0.101 R)
• M5: 2,160,792 km (0.057 R)
• M6: 2,483,624 km (0.108 R)
• M7: 2,819,172 km (0.102 R)
• M8: 3,605,907 km (0.107 R)
• M9: 4,505,289 km (0.082 R)
• M10: 4,893,047 km (0.079 R)
• M11: 5,333,014 km (0.109 R)
• M12: 5,831,475 km (0.093 R)
• M13: 6,497,634 km (0.062 R)
• M14: 7,103,206 km (0.113 R)
• M15: 7,629,641 km (0.094 R)
• M16: 10,139,295 km (0.096 R)
• M17: 10,758,480 km (0.082 R)
• M18: 11,151,923 km (0.047 R)
• M19: 11,605,952 km (0.092 R)
• M20: 12,283,631 km (0.076 R)
• M21: 14,298,116 km (0.048 R)
• M22: 18,129,467 km (0.047 R)
• M23: 19,400,450 km (0.089 R)
• M24: 19,836,977 km (0.083 R)
• M25: 21,649,056 km (0.094 R)
• M26: 24,233,359 km (0.064 R)
• M27: 26,125,174 km (0.119 R)
• M28: 26,657,742 km (0.119 R)
• M29: 27,928,426 km (0.112 R)
• M30: 28,485,230 km (0.106 R)
• M31: 30,492,534 km (0.091 R)
• M32: 32,592,439 km (0.1 R)
• M33: 33,106,158 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.02 AU - 5.46 AU

Year: 6999 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,986,387 km

• M1: 185,501 km (0.12 R)
• M2: 673,938 km (0.043 R)
• M3: 2,059,663 km (0.048 R)
• M4: 2,873,775 km (0.111 R)
• M5: 3,536,793 km (0.077 R)
• M6: 5,525,846 km (0.045 R)
• M7: 9,082,087 km (0.074 R)
• M8: 12,341,226 km (0.111 R)
• M9: 13,788,436 km (0.042 R)
• M10: 19,455,801 km (0.089 R)
• M11: 24,936,020 km (0.068 R)
• M12: 26,351,515 km (0.091 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: 180 - 15,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit