🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 8.5

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.76 AU - 1.18 AU

Year: 648 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,483,574 km

• M1: 107,112 km (0.053 R)
• M2: 610,060 km (0.027 R)
• M3: 1,025,344 km (0.105 R)
• M4: 1,312,123 km (0.091 R)
• M5: 1,755,082 km (0.112 R)
• M6: 2,116,062 km (0.051 R)
• M7: 2,739,586 km (0.086 R)
• M8: 3,047,159 km (0.079 R)
• M9: 4,547,177 km (0.11 R)
• M10: 5,873,661 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 10.4

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.44 AU - 1.48 AU

Year: 1197 Days

Day: 10.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,483,574 km

• M1: 130,300 km (0.12 R)
• M2: 484,099 km (0.09 R)
• M3: 820,993 km (0.12 R)
• M4: 1,603,240 km (0.11 R)
• M5: 1,973,196 km (0.053 R)
• M6: 2,310,240 km (0.03 R)
• M7: 2,876,169 km (0.118 R)
• M8: 3,668,738 km (0.077 R)
• M9: 4,017,750 km (0.102 R)
• M10: 4,655,037 km (0.117 R)
• M11: 5,279,159 km (0.079 R)
• M12: 6,694,206 km (0.089 R)
• M13: 7,414,968 km (0.047 R)
• M14: 8,186,743 km (0.094 R)
• M15: 9,561,249 km (0.085 R)
• M16: 10,412,760 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 10.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.12 AU - 2.14 AU

Year: 2108 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 96.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,483,574 km

• M1: 125,961 km (0.074 R)
• M2: 519,853 km (0.107 R)
• M3: 835,953 km (0.09 R)
• M4: 2,406,282 km (0.08 R)
• M5: 3,029,656 km (0.068 R)
• M6: 3,380,164 km (0.069 R)
• M7: 4,247,832 km (0.118 R)
• M8: 5,120,586 km (0.102 R)
• M9: 5,766,100 km (0.117 R)
• M10: 6,285,205 km (0.094 R)
• M11: 7,146,141 km (0.076 R)
• M12: 7,926,443 km (0.109 R)
• M13: 9,130,257 km (0.064 R)
• M14: 9,686,163 km (0.065 R)
• M15: 10,389,273 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.2

Radius: 13.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.96 AU - 2.6 AU

Year: 2335 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,483,574 km

• M1: 171,738 km (0.053 R)
• M2: 651,648 km (0.041 R)
• M3: 1,182,571 km (0.054 R)
• M4: 1,881,492 km (0.089 R)
• M5: 2,464,625 km (0.073 R)
• M6: 3,999,798 km (0.089 R)
• M7: 5,195,833 km (0.105 R)
• M8: 5,975,986 km (0.078 R)
• M9: 7,305,462 km (0.118 R)
• M10: 7,889,493 km (0.085 R)
• M11: 8,921,269 km (0.104 R)
• M12: 11,755,700 km (0.111 R)
• M13: 12,518,051 km (0.094 R)
• M14: 13,100,884 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 11.2

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.28 AU - 3.18 AU

Year: 3059 Days

Day: 10.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 112.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,483,574 km

• M1: 139,276 km (0.104 R)
• M2: 524,939 km (0.077 R)
• M3: 923,019 km (0.103 R)
• M4: 1,460,225 km (0.09 R)
• M5: 2,021,666 km (0.117 R)
• M6: 2,617,963 km (0.111 R)
• M7: 4,102,273 km (0.12 R)
• M8: 5,495,328 km (0.111 R)
• M9: 5,875,307 km (0.109 R)
• M10: 9,799,558 km (0.111 R)
• M11: 10,171,159 km (0.099 R)
• M12: 11,261,728 km (0.073 R)
• M13: 12,214,666 km (0.11 R)
• M14: 13,400,828 km (0.079 R)
• M15: 16,154,924 km (0.083 R)
• M16: 17,151,246 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 10.3

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.79 AU - 4.55 AU

Year: 4769 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,483,574 km

• M1: 128,205 km (0.08 R)
• M2: 497,263 km (0.084 R)
• M3: 843,433 km (0.08 R)
• M4: 1,973,794 km (0.103 R)
• M5: 3,005,272 km (0.089 R)
• M6: 3,419,508 km (0.116 R)
• M7: 3,760,442 km (0.048 R)
• M8: 4,100,777 km (0.094 R)
• M9: 5,415,742 km (0.065 R)
• M10: 7,760,090 km (0.11 R)
• M11: 8,621,325 km (0.098 R)
• M12: 9,544,793 km (0.117 R)
• M13: 10,577,467 km (0.069 R)
• M14: 12,561,434 km (0.091 R)
• M15: 13,535,915 km (0.093 R)
• M16: 20,676,520 km (0.116 R)
• M17: 22,252,833 km (0.079 R)
• M18: 29,011,216 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 8.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.09 AU - 4.39 AU

Year: 5922 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,483,574 km

• M1: 103,372 km (0.116 R)
• M2: 493,673 km (0.1 R)
• M3: 917,185 km (0.048 R)
• M4: 1,452,296 km (0.105 R)
• M5: 2,005,958 km (0.055 R)
• M6: 2,808,401 km (0.04 R)
• M7: 4,039,591 km (0.117 R)
• M8: 5,080,942 km (0.077 R)
• M9: 5,386,571 km (0.032 R)
• M10: 8,469,483 km (0.077 R)
• M11: 8,936,827 km (0.095 R)
• M12: 10,081,101 km (0.1 R)
• M13: 10,524,210 km (0.106 R)
• M14: 12,336,588 km (0.073 R)
• M15: 14,857,013 km (0.113 R)
• M16: 17,759,960 km (0.065 R)
• M17: 19,313,534 km (0.053 R)
• M18: 20,504,632 km (0.087 R)
• M19: 22,484,111 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.7

Radius: 4.9

Gravity: 32.56 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.13 AU - 6.99 AU

Year: 10118 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,483,574 km

• M1: 61,036 km (0.054 R)
• M2: 234,569 km (0.076 R)
• M3: 707,000 km (0.066 R)
• M4: 988,692 km (0.11 R)
• M5: 1,155,943 km (0.085 R)
• M6: 1,534,126 km (0.061 R)
• M7: 2,060,262 km (0.118 R)
• M8: 2,719,988 km (0.044 R)
• M9: 3,263,777 km (0.102 R)
• M10: 3,877,278 km (0.102 R)
• M11: 4,504,242 km (0.105 R)
• M12: 5,033,220 km (0.037 R)
• M13: 6,139,646 km (0.101 R)
• M14: 6,477,887 km (0.108 R)
• M15: 6,749,557 km (0.083 R)
• M16: 7,232,907 km (0.105 R)
• M17: 8,404,259 km (0.061 R)
• M18: 8,868,611 km (0.093 R)
• M19: 9,155,240 km (0.084 R)
• M20: 11,171,520 km (0.079 R)
• M21: 15,023,366 km (0.094 R)
• M22: 15,499,387 km (0.075 R)
• M23: 17,281,845 km (0.099 R)
• M24: 17,955,634 km (0.054 R)
• M25: 18,260,664 km (0.109 R)
• M26: 20,328,107 km (0.077 R)
• M27: 21,078,789 km (0.057 R)
• M28: 22,020,956 km (0.049 R)
• M29: 33,956,173 km (0.11 R)
• M30: 39,581,053 km (0.089 R)
• M31: 41,408,840 km (0.089 R)
• M32: 44,811,145 km (0.068 R)
• M33: 49,283,074 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 15,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit