🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.49 AU - 0.71 AU

Year: 327 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,621,088 km

• M1: 112,049 km (0.109 R)
• M2: 403,914 km (0.114 R)
• M3: 879,635 km (0.036 R)
• M4: 1,224,758 km (0.11 R)
• M5: 1,687,913 km (0.112 R)
• M6: 2,170,067 km (0.036 R)
• M7: 2,664,188 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 10

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.09 AU

Year: 641 Days

Day: 14.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,621,088 km

• M1: 124,316 km (0.102 R)
• M2: 512,971 km (0.119 R)
• M3: 1,252,583 km (0.085 R)
• M4: 1,678,339 km (0.05 R)
• M5: 2,092,874 km (0.069 R)
• M6: 2,509,953 km (0.094 R)
• M7: 3,364,157 km (0.029 R)
• M8: 3,778,992 km (0.051 R)
• M9: 4,321,882 km (0.117 R)
• M10: 4,695,279 km (0.085 R)
• M11: 5,214,982 km (0.108 R)
• M12: 5,791,831 km (0.05 R)
• M13: 6,682,986 km (0.088 R)
• M14: 7,161,699 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 13.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.92 AU - 1.06 AU

Year: 692 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,621,088 km

• M1: 169,345 km (0.106 R)
• M2: 627,264 km (0.1 R)
• M3: 1,061,696 km (0.077 R)
• M4: 2,576,524 km (0.111 R)
• M5: 3,033,695 km (0.032 R)
• M6: 3,811,155 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 14.6

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.06 AU - 1.08 AU

Year: 778 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,621,088 km

• M1: 181,612 km (0.06 R)
• M2: 671,694 km (0.08 R)
• M3: 1,215,483 km (0.066 R)
• M4: 1,683,574 km (0.108 R)
• M5: 2,189,215 km (0.1 R)
• M6: 3,004,524 km (0.088 R)
• M7: 3,802,030 km (0.094 R)
• M8: 4,266,681 km (0.107 R)
• M9: 4,802,391 km (0.074 R)
• M10: 6,010,094 km (0.112 R)
• M11: 7,042,320 km (0.102 R)
• M12: 7,680,355 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 9.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.61 AU - 2.51 AU

Year: 2078 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,621,088 km

• M1: 121,025 km (0.106 R)
• M2: 794,365 km (0.067 R)
• M3: 1,931,159 km (0.098 R)
• M4: 3,116,273 km (0.103 R)
• M5: 4,261,146 km (0.059 R)
• M6: 5,055,361 km (0.12 R)
• M7: 5,623,683 km (0.062 R)
• M8: 7,847,156 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 11.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.21 AU - 4.29 AU

Year: 6159 Days

Day: 12.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,621,088 km

• M1: 142,268 km (0.094 R)
• M2: 534,962 km (0.065 R)
• M3: 981,212 km (0.104 R)
• M4: 1,414,897 km (0.049 R)
• M5: 2,195,798 km (0.048 R)
• M6: 2,974,903 km (0.074 R)
• M7: 5,049,078 km (0.1 R)
• M8: 5,873,811 km (0.107 R)
• M9: 7,183,989 km (0.097 R)
• M10: 8,596,492 km (0.059 R)
• M11: 11,450,520 km (0.088 R)
• M12: 12,015,851 km (0.111 R)
• M13: 12,926,154 km (0.094 R)
• M14: 13,426,259 km (0.099 R)
• M15: 14,055,169 km (0.11 R)
• M16: 14,584,147 km (0.107 R)
• M17: 15,682,195 km (0.048 R)
• M18: 16,573,649 km (0.059 R)
• M19: 17,230,832 km (0.068 R)
• M20: 18,042,251 km (0.105 R)
• M21: 21,545,085 km (0.109 R)
• M22: 24,200,747 km (0.05 R)
• M23: 32,336,627 km (0.085 R)
• M24: 36,352,283 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.4

Radius: 11.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.77 AU - 5.33 AU

Year: 7977 Days

Day: 9.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,621,088 km

• M1: 145,559 km (0.081 R)
• M2: 534,364 km (0.103 R)
• M3: 945,459 km (0.108 R)
• M4: 1,457,682 km (0.103 R)
• M5: 1,987,707 km (0.063 R)
• M6: 2,416,604 km (0.1 R)
• M7: 4,502,896 km (0.108 R)
• M8: 6,327,242 km (0.107 R)
• M9: 6,692,261 km (0.094 R)
• M10: 7,424,692 km (0.088 R)
• M11: 7,831,299 km (0.105 R)
• M12: 9,656,543 km (0.082 R)
• M13: 10,490,850 km (0.071 R)
• M14: 10,899,850 km (0.112 R)
• M15: 12,135,529 km (0.048 R)
• M16: 12,529,570 km (0.099 R)
• M17: 14,253,835 km (0.064 R)
• M18: 16,334,292 km (0.078 R)
• M19: 17,733,182 km (0.067 R)
• M20: 19,134,764 km (0.036 R)
• M21: 19,823,812 km (0.067 R)
• M22: 20,928,443 km (0.117 R)
• M23: 23,694,208 km (0.091 R)
• M24: 26,695,142 km (0.105 R)
• M25: 28,335,931 km (0.11 R)
• M26: 33,993,573 km (0.105 R)
• M27: 35,004,406 km (0.095 R)
• M28: 37,086,210 km (0.071 R)
• M29: 38,519,058 km (0.093 R)
• M30: 41,368,150 km (0.065 R)
• M31: 43,169,458 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 15,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit