🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 14.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.3 AU - 1.36 AU

Year: 1023 Days

Day: 11.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,029,464 km

• M1: 182,958 km (0.118 R)
• M2: 655,538 km (0.097 R)
• M3: 1,340,696 km (0.118 R)
• M4: 1,818,063 km (0.057 R)
• M5: 2,660,449 km (0.041 R)
• M6: 3,575,090 km (0.111 R)
• M7: 4,235,415 km (0.105 R)
• M8: 5,661,980 km (0.105 R)
• M9: 6,302,409 km (0.089 R)
• M10: 7,679,756 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 12.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.53 AU - 1.99 AU

Year: 1557 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,029,464 km

• M1: 154,235 km (0.116 R)
• M2: 701,315 km (0.091 R)
• M3: 1,216,829 km (0.085 R)
• M4: 2,009,399 km (0.089 R)
• M5: 2,446,673 km (0.116 R)
• M6: 3,568,807 km (0.104 R)
• M7: 4,015,955 km (0.092 R)
• M8: 4,733,725 km (0.082 R)
• M9: 5,517,618 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 9.3

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.41 AU - 2.33 AU

Year: 1705 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,029,464 km

• M1: 115,789 km (0.086 R)
• M2: 654,341 km (0.09 R)
• M3: 1,099,096 km (0.113 R)
• M4: 1,953,898 km (0.095 R)
• M5: 2,474,798 km (0.085 R)
• M6: 2,907,435 km (0.053 R)
• M7: 3,588,255 km (0.097 R)
• M8: 4,075,794 km (0.116 R)
• M9: 5,045,188 km (0.075 R)
• M10: 5,615,754 km (0.117 R)
• M11: 6,693,458 km (0.081 R)
• M12: 7,032,446 km (0.081 R)
• M13: 7,357,373 km (0.084 R)
• M14: 7,666,292 km (0.106 R)
• M15: 8,200,357 km (0.11 R)
• M16: 8,902,569 km (0.109 R)
• M17: 10,330,631 km (0.096 R)
• M18: 11,557,782 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 10.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.16 AU - 3.26 AU

Year: 2975 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,029,464 km

• M1: 128,205 km (0.087 R)
• M2: 533,017 km (0.058 R)
• M3: 908,957 km (0.098 R)
• M4: 1,990,998 km (0.099 R)
• M5: 2,412,565 km (0.06 R)
• M6: 2,756,042 km (0.115 R)
• M7: 3,282,327 km (0.098 R)
• M8: 3,633,134 km (0.082 R)
• M9: 4,708,294 km (0.114 R)
• M10: 5,041,598 km (0.049 R)
• M11: 5,438,481 km (0.065 R)
• M12: 6,536,679 km (0.09 R)
• M13: 7,475,256 km (0.112 R)
• M14: 9,235,724 km (0.106 R)
• M15: 10,453,301 km (0.106 R)
• M16: 12,858,386 km (0.066 R)
• M17: 13,424,315 km (0.085 R)
• M18: 17,596,599 km (0.079 R)
• M19: 18,077,855 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.1

Radius: 12.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.88 AU - 4.48 AU

Year: 4708 Days

Day: 9.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,029,464 km

• M1: 159,172 km (0.106 R)
• M2: 836,701 km (0.072 R)
• M3: 2,926,733 km (0.088 R)
• M4: 3,439,405 km (0.083 R)
• M5: 3,942,652 km (0.096 R)
• M6: 5,208,998 km (0.072 R)
• M7: 6,404,434 km (0.097 R)
• M8: 7,135,818 km (0.114 R)
• M9: 8,033,854 km (0.089 R)
• M10: 8,845,273 km (0.099 R)
• M11: 9,332,962 km (0.105 R)
• M12: 12,195,069 km (0.042 R)
• M13: 12,748,880 km (0.066 R)
• M14: 14,125,031 km (0.083 R)
• M15: 16,011,460 km (0.112 R)
• M16: 16,984,145 km (0.064 R)
• M17: 18,714,544 km (0.05 R)
• M18: 23,899,905 km (0.031 R)
• M19: 25,904,068 km (0.088 R)
• M20: 28,104,802 km (0.075 R)
• M21: 29,072,401 km (0.071 R)
• M22: 29,790,022 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.2

Radius: 13

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.53 AU - 5.25 AU

Year: 6134 Days

Day: 5.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,029,464 km

• M1: 161,715 km (0.097 R)
• M2: 975,378 km (0.037 R)
• M3: 1,508,844 km (0.078 R)
• M4: 2,250,700 km (0.075 R)
• M5: 2,766,962 km (0.094 R)
• M6: 3,263,328 km (0.033 R)
• M7: 4,040,788 km (0.08 R)
• M8: 4,510,525 km (0.045 R)
• M9: 4,938,375 km (0.07 R)
• M10: 5,994,387 km (0.032 R)
• M11: 6,703,481 km (0.051 R)
• M12: 7,537,040 km (0.048 R)
• M13: 8,178,964 km (0.106 R)
• M14: 8,665,157 km (0.098 R)
• M15: 9,572,618 km (0.117 R)
• M16: 12,481,549 km (0.114 R)
• M17: 15,649,284 km (0.092 R)
• M18: 19,847,150 km (0.092 R)
• M19: 20,590,352 km (0.108 R)
• M20: 21,492,576 km (0.089 R)
• M21: 25,603,526 km (0.113 R)
• M22: 26,322,793 km (0.101 R)
• M23: 27,551,440 km (0.103 R)
• M24: 28,137,714 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 8.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.73 AU - 5.55 AU

Year: 7771 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,029,464 km

• M1: 275,260 km (0.034 R)
• M2: 638,334 km (0.099 R)
• M3: 1,358,049 km (0.076 R)
• M4: 2,062,805 km (0.119 R)
• M5: 2,682,140 km (0.096 R)
• M6: 3,237,448 km (0.082 R)
• M7: 3,847,358 km (0.119 R)
• M8: 4,622,574 km (0.114 R)
• M9: 5,628,321 km (0.081 R)
• M10: 6,168,818 km (0.091 R)
• M11: 6,743,722 km (0.107 R)
• M12: 7,074,783 km (0.047 R)
• M13: 7,480,043 km (0.06 R)
• M14: 14,159,289 km (0.099 R)
• M15: 14,854,171 km (0.108 R)
• M16: 15,209,915 km (0.09 R)
• M17: 16,473,418 km (0.114 R)
• M18: 18,323,196 km (0.07 R)
• M19: 20,059,429 km (0.089 R)
• M20: 20,619,823 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.8

Radius: 7.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.2 AU - 6.6 AU

Year: 10797 Days

Day: 22.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,029,464 km

• M1: 105,466 km (0.095 R)
• M2: 547,528 km (0.118 R)
• M3: 798,404 km (0.086 R)
• M4: 1,361,490 km (0.073 R)
• M5: 2,084,198 km (0.074 R)
• M6: 2,531,046 km (0.054 R)
• M7: 3,431,177 km (0.058 R)
• M8: 3,880,120 km (0.088 R)
• M9: 5,159,631 km (0.116 R)
• M10: 5,977,632 km (0.079 R)
• M11: 6,663,538 km (0.067 R)
• M12: 7,477,500 km (0.08 R)
• M13: 9,435,886 km (0.104 R)
• M14: 10,654,809 km (0.062 R)
• M15: 11,869,993 km (0.078 R)
• M16: 13,746,249 km (0.117 R)
• M17: 15,246,117 km (0.052 R)
• M18: 16,785,629 km (0.086 R)
• M19: 17,937,084 km (0.097 R)
• M20: 18,426,119 km (0.102 R)
• M21: 19,872,581 km (0.083 R)
• M22: 26,418,834 km (0.109 R)
• M23: 30,469,197 km (0.107 R)
• M24: 31,568,143 km (0.051 R)
• M25: 32,486,674 km (0.087 R)
• M26: 35,677,447 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.3

Radius: 3.2

Gravity: 80.5 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.47 AU - 7.85 AU

Year: 12776 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,029,464 km

• M1: 39,793 km (0.078 R)
• M2: 226,491 km (0.095 R)
• M3: 413,489 km (0.095 R)
• M4: 714,031 km (0.084 R)
• M5: 1,758,673 km (0.074 R)
• M6: 2,195,648 km (0.032 R)
• M7: 2,376,961 km (0.084 R)
• M8: 3,765,079 km (0.082 R)
• M9: 4,776,211 km (0.087 R)
• M10: 5,115,200 km (0.053 R)
• M11: 5,765,502 km (0.061 R)
• M12: 6,228,358 km (0.105 R)
• M13: 6,469,061 km (0.064 R)
• M14: 6,591,581 km (0.072 R)
• M15: 10,462,426 km (0.107 R)
• M16: 11,563,766 km (0.116 R)
• M17: 12,173,377 km (0.094 R)
• M18: 12,932,886 km (0.098 R)
• M19: 13,062,437 km (0.052 R)
• M20: 13,192,887 km (0.092 R)
• M21: 14,968,763 km (0.063 R)
• M22: 16,590,553 km (0.116 R)
• M23: 18,407,569 km (0.1 R)
• M24: 19,406,135 km (0.086 R)
• M25: 20,440,455 km (0.115 R)
• M26: 21,967,550 km (0.073 R)
• M27: 22,152,153 km (0.074 R)
• M28: 28,617,624 km (0.09 R)
• M29: 35,342,497 km (0.073 R)
• M30: 35,723,074 km (0.116 R)
• M31: 39,816,221 km (0.11 R)
• M32: 43,772,337 km (0.085 R)
• M33: 48,604,947 km (0.098 R)
• M34: 51,473,486 km (0.095 R)
• M35: 54,960,313 km (0.073 R)
• M36: 59,312,414 km (0.095 R)
• M37: 60,029,437 km (0.06 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: 250 - 12,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit