🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 10.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.49 AU - 0.63 AU

Year: 279 Days

Day: 14.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,369,435 km

• M1: 127,009 km (0.085 R)
• M2: 476,768 km (0.047 R)
• M3: 1,166,714 km (0.049 R)
• M4: 1,644,679 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 10.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.01 AU - 1.03 AU

Year: 687 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,369,435 km

• M1: 134,339 km (0.105 R)
• M2: 490,531 km (0.041 R)
• M3: 856,149 km (0.06 R)
• M4: 1,418,637 km (0.096 R)
• M5: 1,770,940 km (0.096 R)
• M6: 2,294,981 km (0.093 R)
• M7: 3,047,757 km (0.092 R)
• M8: 3,476,206 km (0.081 R)
• M9: 4,511,273 km (0.116 R)
• M10: 4,918,628 km (0.074 R)
• M11: 5,543,349 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.9

Radius: 10.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.81 AU - 2.61 AU

Year: 2191 Days

Day: 6.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,369,435 km

• M1: 129,402 km (0.11 R)
• M2: 455,226 km (0.109 R)
• M3: 1,013,974 km (0.093 R)
• M4: 1,379,143 km (0.106 R)
• M5: 1,919,789 km (0.062 R)
• M6: 2,296,477 km (0.034 R)
• M7: 3,061,072 km (0.112 R)
• M8: 3,895,828 km (0.087 R)
• M9: 4,960,665 km (0.101 R)
• M10: 5,355,753 km (0.089 R)
• M11: 5,819,357 km (0.112 R)
• M12: 7,628,145 km (0.073 R)
• M13: 8,276,353 km (0.039 R)
• M14: 8,993,076 km (0.047 R)
• M15: 9,548,832 km (0.119 R)
• M16: 10,621,449 km (0.106 R)
• M17: 11,810,901 km (0.057 R)
• M18: 12,358,430 km (0.076 R)
• M19: 13,973,189 km (0.053 R)
• M20: 15,079,615 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.9

Radius: 14.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.89 AU - 5.09 AU

Year: 7433 Days

Day: 13.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,369,435 km

• M1: 181,612 km (0.074 R)
• M2: 651,200 km (0.116 R)
• M3: 1,809,985 km (0.061 R)
• M4: 2,406,731 km (0.059 R)
• M5: 3,024,271 km (0.076 R)
• M6: 4,778,006 km (0.104 R)
• M7: 5,510,737 km (0.111 R)
• M8: 6,020,716 km (0.12 R)
• M9: 6,624,343 km (0.033 R)
• M10: 8,275,754 km (0.119 R)
• M11: 9,533,573 km (0.045 R)
• M12: 10,104,289 km (0.103 R)
• M13: 12,048,463 km (0.105 R)
• M14: 12,716,417 km (0.042 R)
• M15: 14,601,351 km (0.118 R)
• M16: 17,137,334 km (0.038 R)
• M17: 18,666,673 km (0.084 R)
• M18: 26,811,080 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.5

Radius: 8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.87 AU - 11.23 AU

Year: 18155 Days

Day: 15.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 159.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,369,435 km

• M1: 99,632 km (0.063 R)
• M2: 448,345 km (0.091 R)
• M3: 827,426 km (0.092 R)
• M4: 1,241,662 km (0.089 R)
• M5: 1,544,897 km (0.099 R)
• M6: 2,357,812 km (0.071 R)
• M7: 3,477,403 km (0.061 R)
• M8: 4,677,327 km (0.067 R)
• M9: 5,070,321 km (0.086 R)
• M10: 5,819,656 km (0.08 R)
• M11: 7,335,532 km (0.077 R)
• M12: 7,741,989 km (0.113 R)
• M13: 8,336,192 km (0.036 R)
• M14: 10,863,648 km (0.113 R)
• M15: 11,827,058 km (0.057 R)
• M16: 12,160,661 km (0.064 R)
• M17: 14,108,126 km (0.067 R)
• M18: 14,483,318 km (0.104 R)
• M19: 15,983,784 km (0.114 R)
• M20: 19,290,197 km (0.091 R)
• M21: 20,460,202 km (0.086 R)
• M22: 23,285,806 km (0.089 R)
• M23: 27,508,655 km (0.087 R)
• M24: 29,799,896 km (0.112 R)
• M25: 31,044,401 km (0.028 R)
• M26: 32,215,453 km (0.101 R)
• M27: 32,866,353 km (0.07 R)
• M28: 39,742,170 km (0.067 R)
• M29: 41,122,061 km (0.072 R)
• M30: 41,503,835 km (0.107 R)
• M31: 41,759,647 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 4.7

Gravity: 32.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 9.11 AU - 12.15 AU

Year: 23112 Days

Day: 17.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,369,435 km

• M1: 62,831 km (0.088 R)
• M2: 318,494 km (0.095 R)
• M3: 539,600 km (0.119 R)
• M4: 1,223,112 km (0.049 R)
• M5: 2,054,128 km (0.112 R)
• M6: 2,361,851 km (0.075 R)
• M7: 2,575,477 km (0.109 R)
• M8: 3,096,526 km (0.118 R)
• M9: 4,964,854 km (0.048 R)
• M10: 5,197,329 km (0.042 R)
• M11: 5,600,645 km (0.118 R)
• M12: 6,653,664 km (0.089 R)
• M13: 8,041,634 km (0.111 R)
• M14: 9,493,182 km (0.118 R)
• M15: 10,156,798 km (0.078 R)
• M16: 13,343,083 km (0.069 R)
• M17: 15,282,470 km (0.105 R)
• M18: 16,532,061 km (0.028 R)
• M19: 17,050,417 km (0.055 R)
• M20: 19,327,297 km (0.119 R)
• M21: 22,632,512 km (0.054 R)
• M22: 27,479,034 km (0.084 R)
• M23: 29,571,609 km (0.117 R)
• M24: 36,773,700 km (0.114 R)
• M25: 38,703,064 km (0.114 R)
• M26: 39,769,397 km (0.095 R)
• M27: 40,855,178 km (0.091 R)
• M28: 41,011,807 km (0.069 R)
• M29: 42,279,949 km (0.106 R)
• M30: 46,411,243 km (0.096 R)
• M31: 54,510,472 km (0.074 R)
• M32: 55,272,972 km (0.116 R)
• M33: 63,923,320 km (0.114 R)
• M34: 80,845,083 km (0.22 R)
• M35: 84,349,862 km (0.109 R)
• M36: 84,858,644 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 12,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit