🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 14.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.77 AU - 1.19 AU

Year: 626 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,686,030 km

• M1: 180,565 km (0.028 R)
• M2: 889,060 km (0.115 R)
• M3: 1,535,173 km (0.085 R)
• M4: 2,105,291 km (0.093 R)
• M5: 3,410,981 km (0.064 R)
• M6: 4,537,902 km (0.067 R)
• M7: 5,504,304 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.4

Radius: 11.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.91 AU - 1.05 AU

Year: 626 Days

Day: 12.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,686,030 km

• M1: 138,079 km (0.058 R)
• M2: 495,618 km (0.077 R)
• M3: 1,049,429 km (0.075 R)
• M4: 1,647,073 km (0.097 R)
• M5: 1,996,084 km (0.078 R)
• M6: 2,436,351 km (0.112 R)
• M7: 2,857,020 km (0.107 R)
• M8: 3,336,332 km (0.119 R)
• M9: 3,949,683 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.1

Radius: 11.2

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.26 AU - 1.62 AU

Year: 1116 Days

Day: 7.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,686,030 km

• M1: 139,425 km (0.091 R)
• M2: 628,161 km (0.076 R)
• M3: 1,273,676 km (0.086 R)
• M4: 1,666,819 km (0.077 R)
• M5: 2,440,988 km (0.062 R)
• M6: 3,044,167 km (0.089 R)
• M7: 3,455,112 km (0.066 R)
• M8: 3,855,137 km (0.105 R)
• M9: 4,217,613 km (0.114 R)
• M10: 4,992,979 km (0.041 R)
• M11: 5,384,626 km (0.05 R)
• M12: 6,944,932 km (0.099 R)
• M13: 8,675,629 km (0.045 R)
• M14: 11,033,292 km (0.11 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 12.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.89 AU - 2.13 AU

Year: 1840 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,686,030 km

• M1: 151,842 km (0.085 R)
• M2: 1,067,381 km (0.096 R)
• M3: 2,244,716 km (0.089 R)
• M4: 2,725,075 km (0.093 R)
• M5: 3,118,368 km (0.1 R)
• M6: 3,824,470 km (0.081 R)
• M7: 5,375,500 km (0.118 R)
• M8: 6,986,819 km (0.105 R)
• M9: 8,467,090 km (0.05 R)
• M10: 9,313,814 km (0.059 R)
• M11: 12,547,222 km (0.057 R)
• M12: 14,459,681 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 9.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.12 AU - 3 AU

Year: 2645 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,686,030 km

• M1: 123,119 km (0.065 R)
• M2: 468,840 km (0.11 R)
• M3: 951,592 km (0.12 R)
• M4: 1,869,824 km (0.09 R)
• M5: 2,546,455 km (0.102 R)
• M6: 3,150,980 km (0.06 R)
• M7: 4,322,331 km (0.109 R)
• M8: 5,572,820 km (0.107 R)
• M9: 5,956,838 km (0.036 R)
• M10: 6,671,317 km (0.105 R)
• M11: 7,672,875 km (0.064 R)
• M12: 8,899,877 km (0.062 R)
• M13: 10,395,706 km (0.075 R)
• M14: 11,392,775 km (0.06 R)
• M15: 12,013,008 km (0.028 R)
• M16: 12,331,502 km (0.093 R)
• M17: 14,009,242 km (0.103 R)
• M18: 15,692,069 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 11

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.24 AU - 3.46 AU

Year: 3107 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,686,030 km

• M1: 139,126 km (0.12 R)
• M2: 1,154,746 km (0.057 R)
• M3: 2,088,536 km (0.114 R)
• M4: 3,025,617 km (0.076 R)
• M5: 3,467,978 km (0.11 R)
• M6: 4,671,194 km (0.088 R)
• M7: 5,639,840 km (0.049 R)
• M8: 6,057,966 km (0.074 R)
• M9: 6,470,258 km (0.046 R)
• M10: 9,833,966 km (0.103 R)
• M11: 10,587,789 km (0.118 R)
• M12: 12,661,964 km (0.084 R)
• M13: 13,467,548 km (0.053 R)
• M14: 14,579,060 km (0.109 R)
• M15: 15,274,840 km (0.079 R)
• M16: 16,384,408 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.8

Radius: 3.4

Gravity: 52.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.31 AU - 8.41 AU

Year: 11601 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,686,030 km

• M1: 42,336 km (0.053 R)
• M2: 181,313 km (0.11 R)
• M3: 318,344 km (0.109 R)
• M4: 751,131 km (0.063 R)
• M5: 963,560 km (0.066 R)
• M6: 1,580,352 km (0.12 R)
• M7: 2,464,625 km (0.031 R)
• M8: 3,609,946 km (0.054 R)
• M9: 3,902,560 km (0.095 R)
• M10: 4,626,464 km (0.105 R)
• M11: 4,875,993 km (0.106 R)
• M12: 5,367,721 km (0.117 R)
• M13: 5,855,709 km (0.086 R)
• M14: 6,681,490 km (0.087 R)
• M15: 7,624,704 km (0.077 R)
• M16: 8,330,956 km (0.12 R)
• M17: 9,079,843 km (0.099 R)
• M18: 10,764,016 km (0.115 R)
• M19: 11,707,829 km (0.105 R)
• M20: 11,822,421 km (0.086 R)
• M21: 13,380,632 km (0.089 R)
• M22: 13,886,273 km (0.032 R)
• M23: 14,339,106 km (0.087 R)
• M24: 15,686,982 km (0.094 R)
• M25: 17,939,477 km (0.114 R)
• M26: 20,647,648 km (0.073 R)
• M27: 20,814,898 km (0.096 R)
• M28: 22,715,389 km (0.083 R)
• M29: 23,162,837 km (0.111 R)
• M30: 23,343,401 km (0.061 R)
• M31: 25,681,317 km (0.026 R)
• M32: 30,058,999 km (0.102 R)
• M33: 30,598,300 km (0.072 R)
• M34: 31,253,838 km (0.088 R)
• M35: 32,366,995 km (0.063 R)
• M36: 44,152,166 km (0.115 R)
• M37: 46,120,724 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 18,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit