🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 73,640,307 km

• M1: 169,195 km (0.062 R)
• M2: 655,987 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 8.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.34 AU - 1.56 AU

Year: 1184 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,640,307 km

• M1: 106,065 km (0.116 R)
• M2: 446,400 km (0.119 R)
• M3: 716,275 km (0.077 R)
• M4: 980,913 km (0.111 R)
• M5: 1,293,124 km (0.093 R)
• M6: 1,581,698 km (0.088 R)
• M7: 2,509,355 km (0.101 R)
• M8: 2,828,597 km (0.073 R)
• M9: 3,247,620 km (0.086 R)
• M10: 5,525,397 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.4

Radius: 11.4

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.33 AU - 1.79 AU

Year: 1322 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,640,307 km

• M1: 142,118 km (0.087 R)
• M2: 548,276 km (0.111 R)
• M3: 1,051,075 km (0.11 R)
• M4: 1,517,222 km (0.111 R)
• M5: 2,008,052 km (0.108 R)
• M6: 2,831,140 km (0.119 R)
• M7: 4,195,771 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 8.4

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.16 AU - 2.22 AU

Year: 2198 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,640,307 km

• M1: 104,719 km (0.116 R)
• M2: 426,504 km (0.083 R)
• M3: 850,165 km (0.101 R)
• M4: 1,259,464 km (0.113 R)
• M5: 1,520,812 km (0.096 R)
• M6: 1,876,107 km (0.088 R)
• M7: 2,143,139 km (0.096 R)
• M8: 2,973,258 km (0.093 R)
• M9: 3,533,053 km (0.117 R)
• M10: 4,577,096 km (0.083 R)
• M11: 6,578,566 km (0.054 R)
• M12: 6,857,267 km (0.095 R)
• M13: 7,378,616 km (0.085 R)
• M14: 8,146,502 km (0.086 R)
• M15: 9,840,398 km (0.12 R)
• M16: 10,279,468 km (0.097 R)
• M17: 10,693,555 km (0.116 R)
• M18: 12,126,553 km (0.095 R)
• M19: 13,818,954 km (0.093 R)
• M20: 14,369,923 km (0.063 R)
• M21: 16,980,106 km (0.107 R)
• M22: 18,096,555 km (0.109 R)
• M23: 18,369,422 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.9

Radius: 9.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.89 AU - 3.03 AU

Year: 2617 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,640,307 km

• M1: 115,639 km (0.113 R)
• M2: 459,864 km (0.055 R)
• M3: 829,670 km (0.045 R)
• M4: 1,667,867 km (0.098 R)
• M5: 2,053,380 km (0.07 R)
• M6: 2,538,975 km (0.085 R)
• M7: 2,944,535 km (0.117 R)
• M8: 3,342,764 km (0.11 R)
• M9: 4,017,002 km (0.096 R)
• M10: 5,039,055 km (0.112 R)
• M11: 5,682,475 km (0.076 R)
• M12: 6,149,520 km (0.111 R)
• M13: 6,457,542 km (0.073 R)
• M14: 8,496,860 km (0.093 R)
• M15: 8,879,681 km (0.081 R)
• M16: 9,207,450 km (0.041 R)
• M17: 9,509,488 km (0.097 R)
• M18: 10,673,658 km (0.029 R)
• M19: 11,119,610 km (0.071 R)
• M20: 13,453,337 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.7

Radius: 7.1

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.8 AU - 7.16 AU

Year: 11188 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,640,307 km

• M1: 88,263 km (0.094 R)
• M2: 334,052 km (0.082 R)
• M3: 1,267,393 km (0.094 R)
• M4: 2,018,524 km (0.069 R)
• M5: 2,351,828 km (0.099 R)
• M6: 2,700,092 km (0.043 R)
• M7: 3,177,309 km (0.103 R)
• M8: 3,423,547 km (0.099 R)
• M9: 3,817,139 km (0.076 R)
• M10: 4,211,330 km (0.085 R)
• M11: 9,878,695 km (0.045 R)
• M12: 10,245,809 km (0.09 R)
• M13: 12,159,764 km (0.076 R)
• M14: 12,581,480 km (0.049 R)
• M15: 13,263,946 km (0.095 R)
• M16: 14,233,938 km (0.101 R)
• M17: 15,181,192 km (0.045 R)
• M18: 15,599,767 km (0.101 R)
• M19: 17,503,100 km (0.073 R)
• M20: 21,068,167 km (0.077 R)
• M21: 21,852,659 km (0.119 R)
• M22: 22,656,448 km (0.056 R)
• M23: 23,852,034 km (0.059 R)
• M24: 28,843,666 km (0.114 R)
• M25: 30,909,762 km (0.12 R)
• M26: 32,149,929 km (0.104 R)
• M27: 38,722,661 km (0.089 R)
• M28: 47,015,320 km (0.115 R)
• M29: 49,107,446 km (0.066 R)
• M30: 49,869,348 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.1

Radius: 7.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.5 AU - 7.08 AU

Year: 12000 Days

Day: 19.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,640,307 km

• M1: 99,183 km (0.098 R)
• M2: 451,935 km (0.067 R)
• M3: 770,279 km (0.117 R)
• M4: 1,117,047 km (0.026 R)
• M5: 3,589,152 km (0.088 R)
• M6: 3,904,504 km (0.104 R)
• M7: 5,157,237 km (0.12 R)
• M8: 6,330,683 km (0.099 R)
• M9: 8,989,037 km (0.094 R)
• M10: 11,620,015 km (0.079 R)
• M11: 12,012,260 km (0.07 R)
• M12: 13,031,919 km (0.097 R)
• M13: 17,371,305 km (0.078 R)
• M14: 19,484,524 km (0.091 R)
• M15: 21,033,161 km (0.03 R)
• M16: 23,197,543 km (0.075 R)
• M17: 27,442,981 km (0.068 R)
• M18: 30,667,863 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.1

Radius: 4.9

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.93 AU - 11.09 AU

Year: 23110 Days

Day: 19.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,640,307 km

• M1: 61,335 km (0.066 R)
• M2: 241,900 km (0.028 R)
• M3: 397,482 km (0.094 R)
• M4: 589,864 km (0.108 R)
• M5: 1,384,229 km (0.056 R)
• M6: 2,008,052 km (0.116 R)
• M7: 2,169,169 km (0.076 R)
• M8: 2,404,786 km (0.092 R)
• M9: 2,633,671 km (0.088 R)
• M10: 3,609,497 km (0.12 R)
• M11: 4,325,622 km (0.047 R)
• M12: 6,588,589 km (0.053 R)
• M13: 8,664,559 km (0.111 R)
• M14: 8,877,437 km (0.1 R)
• M15: 9,369,165 km (0.081 R)
• M16: 9,706,957 km (0.061 R)
• M17: 10,169,813 km (0.107 R)
• M18: 12,037,542 km (0.117 R)
• M19: 16,598,333 km (0.119 R)
• M20: 18,197,683 km (0.109 R)
• M21: 23,918,456 km (0.073 R)
• M22: 25,953,136 km (0.106 R)
• M23: 26,284,645 km (0.109 R)
• M24: 29,038,891 km (0.098 R)
• M25: 34,710,296 km (0.067 R)
• M26: 35,926,677 km (0.086 R)
• M27: 37,875,039 km (0.058 R)
• M28: 39,600,052 km (0.111 R)
• M29: 45,407,591 km (0.118 R)
• M30: 46,535,709 km (0.089 R)
• M31: 48,346,292 km (0.084 R)
• M32: 53,165,737 km (0.084 R)
• M33: 53,879,319 km (0.086 R)
• M34: 64,550,883 km (0.1 R)
• M35: 68,049,079 km (0.111 R)
• M36: 69,951,216 km (0.096 R)
• M37: 70,807,814 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 16,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit