🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 9.2

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 5.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,579,263 km

• M1: 114,592 km (0.109 R)
• M2: 407,953 km (0.075 R)
• M3: 760,855 km (0.118 R)
• M4: 1,149,211 km (0.064 R)
• M5: 1,457,831 km (0.09 R)
• M6: 2,030,941 km (0.044 R)
• M7: 2,497,387 km (0.072 R)
• M8: 2,859,713 km (0.047 R)
• M9: 3,277,839 km (0.083 R)
• M10: 3,863,365 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 8.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.12 AU - 1.44 AU

Year: 982 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,579,263 km

• M1: 111,002 km (0.087 R)
• M2: 958,623 km (0.095 R)
• M3: 1,935,796 km (0.094 R)
• M4: 2,318,019 km (0.114 R)
• M5: 2,709,816 km (0.119 R)
• M6: 3,866,357 km (0.062 R)
• M7: 4,321,583 km (0.071 R)
• M8: 5,071,069 km (0.069 R)
• M9: 5,452,543 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 8.6

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.42 AU - 2.32 AU

Year: 1734 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,579,263 km

• M1: 106,962 km (0.103 R)
• M2: 387,458 km (0.074 R)
• M3: 830,119 km (0.046 R)
• M4: 1,161,328 km (0.112 R)
• M5: 1,473,988 km (0.068 R)
• M6: 1,799,363 km (0.114 R)
• M7: 2,554,683 km (0.118 R)
• M8: 2,859,115 km (0.115 R)
• M9: 3,171,624 km (0.099 R)
• M10: 3,612,041 km (0.101 R)
• M11: 4,111,997 km (0.109 R)
• M12: 4,636,337 km (0.095 R)
• M13: 5,273,175 km (0.091 R)
• M14: 6,801,766 km (0.081 R)
• M15: 7,564,865 km (0.058 R)
• M16: 9,738,672 km (0.033 R)
• M17: 10,450,159 km (0.025 R)
• M18: 10,744,119 km (0.085 R)
• M19: 11,387,540 km (0.072 R)
• M20: 12,502,941 km (0.088 R)
• M21: 13,087,121 km (0.103 R)
• M22: 13,645,719 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 8.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.71 AU - 3.13 AU

Year: 3384 Days

Day: 9.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,579,263 km

• M1: 105,766 km (0.071 R)
• M2: 489,783 km (0.048 R)
• M3: 776,712 km (0.088 R)
• M4: 1,066,932 km (0.066 R)
• M5: 1,402,031 km (0.05 R)
• M6: 1,718,132 km (0.074 R)
• M7: 1,995,336 km (0.114 R)
• M8: 2,467,916 km (0.097 R)
• M9: 2,981,037 km (0.068 R)
• M10: 3,246,423 km (0.068 R)
• M11: 3,748,923 km (0.111 R)
• M12: 5,257,318 km (0.084 R)
• M13: 6,107,333 km (0.09 R)
• M14: 6,988,465 km (0.025 R)
• M15: 7,857,778 km (0.119 R)
• M16: 8,465,295 km (0.117 R)
• M17: 9,630,213 km (0.096 R)
• M18: 10,743,820 km (0.089 R)
• M19: 12,023,929 km (0.114 R)
• M20: 12,316,991 km (0.113 R)
• M21: 14,084,191 km (0.074 R)
• M22: 15,515,992 km (0.118 R)
• M23: 16,833,351 km (0.096 R)
• M24: 18,499,422 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.8

Radius: 11.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.31 AU - 3.69 AU

Year: 4441 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,579,263 km

• M1: 146,756 km (0.06 R)
• M2: 560,992 km (0.115 R)
• M3: 994,676 km (0.107 R)
• M4: 1,539,811 km (0.061 R)
• M5: 2,691,864 km (0.118 R)
• M6: 3,224,881 km (0.065 R)
• M7: 4,072,503 km (0.091 R)
• M8: 5,486,203 km (0.109 R)
• M9: 5,906,124 km (0.1 R)
• M10: 6,900,351 km (0.077 R)
• M11: 7,708,778 km (0.076 R)
• M12: 8,136,030 km (0.087 R)
• M13: 8,613,995 km (0.028 R)
• M14: 11,671,177 km (0.102 R)
• M15: 13,655,593 km (0.074 R)
• M16: 14,628,278 km (0.101 R)
• M17: 19,706,079 km (0.089 R)
• M18: 20,884,312 km (0.119 R)
• M19: 21,912,498 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332

Radius: 8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.91 AU - 7.27 AU

Year: 11474 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,579,263 km

• M1: 108,010 km (0.113 R)
• M2: 497,263 km (0.093 R)
• M3: 823,087 km (0.1 R)
• M4: 1,512,734 km (0.078 R)
• M5: 3,282,028 km (0.027 R)
• M6: 4,132,641 km (0.108 R)
• M7: 5,002,254 km (0.101 R)
• M8: 7,329,099 km (0.034 R)
• M9: 8,215,017 km (0.108 R)
• M10: 9,958,281 km (0.095 R)
• M11: 23,980,090 km (0.095 R)
• M12: 24,586,410 km (0.076 R)
• M13: 31,326,542 km (0.115 R)
• M14: 33,105,560 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.5

Radius: 3.9

Gravity: 65.71 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.92 AU - 10.24 AU

Year: 17046 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,579,263 km

• M1: 48,470 km (0.047 R)
• M2: 243,545 km (0.094 R)
• M3: 378,183 km (0.097 R)
• M4: 515,963 km (0.098 R)
• M5: 678,127 km (0.061 R)
• M6: 829,819 km (0.118 R)
• M7: 1,574,518 km (0.082 R)
• M8: 2,120,999 km (0.114 R)
• M9: 4,007,577 km (0.07 R)
• M10: 5,047,731 km (0.039 R)
• M11: 6,474,446 km (0.075 R)
• M12: 6,697,945 km (0.117 R)
• M13: 10,212,448 km (0.064 R)
• M14: 12,256,853 km (0.117 R)
• M15: 13,884,178 km (0.09 R)
• M16: 17,047,575 km (0.025 R)
• M17: 21,537,605 km (0.097 R)
• M18: 22,237,125 km (0.05 R)
• M19: 28,507,071 km (0.075 R)
• M20: 31,849,536 km (0.099 R)
• M21: 35,720,381 km (0.097 R)
• M22: 35,998,334 km (0.105 R)
• M23: 37,409,790 km (0.08 R)
• M24: 39,151,857 km (0.096 R)
• M25: 56,005,104 km (0.116 R)
• M26: 64,034,172 km (0.088 R)
• M27: 64,444,369 km (0.1 R)
• M28: 68,428,609 km (0.065 R)
• M29: 69,072,329 km (0.119 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: 182 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit