🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 8.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,705,359 km

• M1: 116,986 km (0.093 R)
• M2: 346,768 km (0.113 R)
• M3: 591,660 km (0.073 R)
• M4: 807,230 km (0.077 R)
• M5: 1,130,511 km (0.096 R)
• M6: 1,348,475 km (0.102 R)
• M7: 1,524,552 km (0.109 R)
• M8: 1,697,188 km (0.058 R)
• M9: 1,906,625 km (0.101 R)
• M10: 2,077,765 km (0.117 R)
• M11: 2,262,668 km (0.115 R)
• M12: 2,468,215 km (0.078 R)
• M13: 2,827,101 km (0.088 R)
• M14: 3,023,074 km (0.045 R)
• M15: 3,247,022 km (0.076 R)
• M16: 3,427,886 km (0.114 R)
• M17: 3,674,273 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 9.9

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.37 AU - 2.05 AU

Year: 1517 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,705,359 km

• M1: 124,615 km (0.074 R)
• M2: 652,396 km (0.071 R)
• M3: 1,056,610 km (0.084 R)
• M4: 1,322,595 km (0.047 R)
• M5: 1,641,238 km (0.12 R)
• M6: 1,840,203 km (0.037 R)
• M7: 2,106,039 km (0.036 R)
• M8: 2,344,049 km (0.052 R)
• M9: 2,809,298 km (0.083 R)
• M10: 3,058,379 km (0.066 R)
• M11: 3,318,530 km (0.077 R)
• M12: 3,618,922 km (0.12 R)
• M13: 4,734,623 km (0.026 R)
• M14: 5,341,392 km (0.05 R)
• M15: 6,061,556 km (0.062 R)
• M16: 6,390,073 km (0.095 R)
• M17: 6,587,393 km (0.076 R)
• M18: 7,386,395 km (0.11 R)
• M19: 8,478,908 km (0.099 R)
• M20: 8,983,801 km (0.086 R)
• M21: 9,265,494 km (0.105 R)
• M22: 9,623,631 km (0.094 R)
• M23: 9,915,197 km (0.106 R)
• M24: 10,285,901 km (0.086 R)
• M25: 10,944,730 km (0.044 R)
• M26: 14,223,766 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.75 AU - 1.75 AU

Year: 1570 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,705,359 km

• M1: 183,407 km (0.107 R)
• M2: 517,160 km (0.051 R)
• M3: 796,459 km (0.067 R)
• M4: 1,095,056 km (0.051 R)
• M5: 1,393,654 km (0.102 R)
• M6: 1,868,777 km (0.064 R)
• M7: 2,247,858 km (0.09 R)
• M8: 2,845,202 km (0.074 R)
• M9: 3,189,576 km (0.117 R)
• M10: 3,615,481 km (0.114 R)
• M11: 3,953,573 km (0.098 R)
• M12: 4,428,845 km (0.098 R)
• M13: 5,464,062 km (0.117 R)
• M14: 5,928,713 km (0.098 R)
• M15: 6,429,417 km (0.054 R)
• M16: 7,158,557 km (0.102 R)
• M17: 7,511,309 km (0.119 R)
• M18: 8,131,093 km (0.11 R)
• M19: 8,431,486 km (0.083 R)
• M20: 9,526,542 km (0.028 R)
• M21: 10,099,801 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 10.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.14 AU - 3.22 AU

Year: 3846 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,705,359 km

• M1: 135,685 km (0.081 R)
• M2: 496,665 km (0.087 R)
• M3: 839,094 km (0.101 R)
• M4: 1,157,588 km (0.093 R)
• M5: 1,454,690 km (0.055 R)
• M6: 1,769,892 km (0.098 R)
• M7: 2,002,218 km (0.106 R)
• M8: 2,644,142 km (0.114 R)
• M9: 3,791,408 km (0.089 R)
• M10: 4,273,114 km (0.11 R)
• M11: 6,633,170 km (0.074 R)
• M12: 7,351,987 km (0.093 R)
• M13: 8,544,881 km (0.091 R)
• M14: 10,579,113 km (0.068 R)
• M15: 11,717,552 km (0.102 R)
• M16: 13,549,678 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.9

Radius: 6.3

Gravity: 23.05 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.32 AU - 10.38 AU

Year: 19391 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 77,705,359 km

• M1: 162,314 km (0.071 R)
• M2: 1,181,823 km (0.071 R)
• M3: 2,705,926 km (0.081 R)
• M4: 3,070,048 km (0.112 R)
• M5: 3,524,675 km (0.084 R)
• M6: 4,960,665 km (0.088 R)
• M7: 5,579,402 km (0.088 R)
• M8: 7,657,167 km (0.12 R)
• M9: 8,164,005 km (0.106 R)
• M10: 9,614,206 km (0.088 R)
• M11: 9,782,803 km (0.029 R)
• M12: 10,530,045 km (0.105 R)
• M13: 11,003,821 km (0.062 R)
• M14: 13,133,945 km (0.104 R)
• M15: 13,331,115 km (0.089 R)
• M16: 13,596,053 km (0.108 R)
• M17: 17,205,550 km (0.108 R)
• M18: 18,348,179 km (0.096 R)
• M19: 19,848,795 km (0.115 R)
• M20: 21,408,502 km (0.099 R)
• M21: 24,615,582 km (0.108 R)
• M22: 26,629,169 km (0.076 R)
• M23: 28,916,072 km (0.081 R)
• M24: 31,398,947 km (0.119 R)
• M25: 31,703,678 km (0.102 R)
• M26: 33,878,831 km (0.027 R)
• M27: 37,998,458 km (0.11 R)
• M28: 39,803,954 km (0.118 R)
• M29: 40,953,763 km (0.105 R)
• M30: 44,743,078 km (0.039 R)
• M31: 48,953,360 km (0.116 R)
• M32: 49,588,553 km (0.1 R)
• M33: 49,971,523 km (0.108 R)
• M34: 54,282,635 km (0.093 R)
• M35: 55,759,315 km (0.064 R)
• M36: 58,080,476 km (0.08 R)
• M37: 62,006,971 km (0.072 R)
• M38: 65,768,161 km (0.113 R)
• M39: 69,489,258 km (0.112 R)
• M40: 70,397,616 km (0.079 R)
• M41: 71,159,070 km (0.108 R)
• M42: 72,540,008 km (0.157 R)
• M43: 76,603,834 km (0.05 R)
• M44: 80,291,421 km (0.106 R)
• M45: 81,594,269 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.1

Radius: 3.5

Gravity: 48.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.58 AU - 11.92 AU

Year: 22258 Days

Day: 23.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,705,359 km

• M1: 88,263 km (0.045 R)
• M2: 966,253 km (0.102 R)
• M3: 1,909,318 km (0.081 R)
• M4: 3,905,552 km (0.06 R)
• M5: 4,781,597 km (0.096 R)
• M6: 4,858,640 km (0.105 R)
• M7: 5,874,110 km (0.085 R)
• M8: 6,710,661 km (0.119 R)
• M9: 11,316,929 km (0.028 R)
• M10: 16,763,788 km (0.083 R)
• M11: 18,538,168 km (0.066 R)
• M12: 21,449,044 km (0.099 R)
• M13: 24,485,282 km (0.063 R)
• M14: 25,187,345 km (0.088 R)
• M15: 37,664,106 km (0.114 R)
• M16: 47,778,867 km (0.111 R)
• M17: 53,415,865 km (0.118 R)
• M18: 56,949,217 km (0.106 R)
• M19: 58,555,748 km (0.111 R)
• M20: 66,062,569 km (0.113 R)
• M21: 67,502,449 km (0.08 R)
• M22: 69,691,365 km (0.051 R)
• M23: 72,514,127 km (0.119 R)
• M24: 73,115,511 km (0.072 R)
• M25: 73,870,830 km (0.047 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: 285 - 14,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit