🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.4

Radius: 9.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,650,206 km

• M1: 123,119 km (0.078 R)
• M2: 446,400 km (0.101 R)
• M3: 824,583 km (0.099 R)
• M4: 1,192,893 km (0.097 R)
• M5: 1,502,860 km (0.101 R)
• M6: 2,078,662 km (0.115 R)
• M7: 2,391,322 km (0.034 R)
• M8: 2,701,289 km (0.118 R)
• M9: 3,103,408 km (0.028 R)
• M10: 3,473,962 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292

Radius: 13.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.69 AU - 0.89 AU

Year: 468 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,650,206 km

• M1: 170,392 km (0.074 R)
• M2: 615,745 km (0.12 R)
• M3: 1,251,835 km (0.112 R)
• M4: 1,686,417 km (0.066 R)
• M5: 2,321,759 km (0.043 R)
• M6: 2,934,063 km (0.105 R)
• M7: 3,607,403 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 10.9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.66 AU - 1.66 AU

Year: 1426 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,650,206 km

• M1: 135,536 km (0.083 R)
• M2: 581,188 km (0.079 R)
• M3: 1,428,809 km (0.109 R)
• M4: 1,902,735 km (0.036 R)
• M5: 2,370,378 km (0.025 R)
• M6: 2,710,713 km (0.089 R)
• M7: 4,700,365 km (0.032 R)
• M8: 5,368,918 km (0.103 R)
• M9: 5,894,007 km (0.114 R)
• M10: 6,357,610 km (0.082 R)
• M11: 8,090,702 km (0.117 R)
• M12: 8,664,110 km (0.076 R)
• M13: 9,142,225 km (0.113 R)
• M14: 9,575,012 km (0.062 R)
• M15: 10,021,412 km (0.108 R)
• M16: 11,586,804 km (0.082 R)
• M17: 12,729,881 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 12.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.76 AU - 2.36 AU

Year: 1972 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,650,206 km

• M1: 150,495 km (0.106 R)
• M2: 563,834 km (0.116 R)
• M3: 1,220,719 km (0.098 R)
• M4: 1,832,275 km (0.098 R)
• M5: 2,410,022 km (0.091 R)
• M6: 2,807,952 km (0.103 R)
• M7: 3,473,064 km (0.108 R)
• M8: 4,400,122 km (0.115 R)
• M9: 4,826,027 km (0.109 R)
• M10: 5,443,867 km (0.111 R)
• M11: 5,913,753 km (0.103 R)
• M12: 6,480,729 km (0.117 R)
• M13: 6,984,575 km (0.069 R)
• M14: 7,488,869 km (0.111 R)
• M15: 8,125,857 km (0.104 R)
• M16: 9,508,291 km (0.114 R)
• M17: 9,908,465 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 8.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.9 AU - 2.94 AU

Year: 3327 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,650,206 km

• M1: 110,702 km (0.103 R)
• M2: 438,920 km (0.053 R)
• M3: 831,166 km (0.108 R)
• M4: 1,126,921 km (0.116 R)
• M5: 1,891,216 km (0.087 R)
• M6: 2,642,048 km (0.112 R)
• M7: 3,335,285 km (0.111 R)
• M8: 3,956,564 km (0.1 R)
• M9: 5,661,681 km (0.098 R)
• M10: 7,743,186 km (0.101 R)
• M11: 8,173,280 km (0.038 R)
• M12: 8,973,179 km (0.092 R)
• M13: 9,373,653 km (0.102 R)
• M14: 9,939,133 km (0.047 R)
• M15: 10,447,466 km (0.113 R)
• M16: 12,032,905 km (0.118 R)
• M17: 13,067,224 km (0.12 R)
• M18: 13,346,524 km (0.103 R)
• M19: 16,633,488 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 10.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.06 AU - 4.68 AU

Year: 6092 Days

Day: 12.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,650,206 km

• M1: 125,662 km (0.046 R)
• M2: 499,956 km (0.083 R)
• M3: 981,811 km (0.106 R)
• M4: 1,372,710 km (0.116 R)
• M5: 1,921,734 km (0.105 R)
• M6: 2,544,510 km (0.084 R)
• M7: 3,081,567 km (0.065 R)
• M8: 4,682,264 km (0.07 R)
• M9: 5,576,709 km (0.064 R)
• M10: 6,049,588 km (0.117 R)
• M11: 7,177,855 km (0.049 R)
• M12: 11,170,174 km (0.12 R)
• M13: 11,636,770 km (0.071 R)
• M14: 12,165,000 km (0.117 R)
• M15: 13,793,073 km (0.096 R)
• M16: 14,714,746 km (0.092 R)
• M17: 15,446,878 km (0.098 R)
• M18: 15,967,927 km (0.088 R)
• M19: 16,801,486 km (0.105 R)
• M20: 18,105,980 km (0.093 R)
• M21: 19,078,366 km (0.095 R)
• M22: 19,678,254 km (0.092 R)
• M23: 20,085,010 km (0.092 R)
• M24: 21,913,395 km (0.061 R)
• M25: 22,867,979 km (0.104 R)
• M26: 25,575,850 km (0.086 R)
• M27: 26,551,378 km (0.082 R)
• M28: 27,131,967 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.7

Radius: 5.4

Gravity: 30.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.25 AU - 10.81 AU

Year: 18095 Days

Day: 21.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 35,650,206 km

• M1: 67,319 km (0.107 R)
• M2: 262,544 km (0.096 R)
• M3: 599,887 km (0.115 R)
• M4: 1,037,162 km (0.068 R)
• M5: 1,884,335 km (0.076 R)
• M6: 2,249,503 km (0.079 R)
• M7: 2,833,384 km (0.107 R)
• M8: 4,065,921 km (0.097 R)
• M9: 4,927,604 km (0.077 R)
• M10: 6,243,168 km (0.093 R)
• M11: 7,877,375 km (0.111 R)
• M12: 9,488,694 km (0.089 R)
• M13: 11,501,383 km (0.08 R)
• M14: 12,503,839 km (0.096 R)
• M15: 13,782,003 km (0.068 R)
• M16: 14,452,800 km (0.109 R)
• M17: 15,698,501 km (0.091 R)
• M18: 16,512,463 km (0.113 R)
• M19: 17,439,970 km (0.095 R)
• M20: 18,401,735 km (0.079 R)
• M21: 20,911,239 km (0.104 R)
• M22: 25,696,576 km (0.118 R)
• M23: 26,144,173 km (0.066 R)
• M24: 29,181,757 km (0.076 R)
• M25: 31,544,506 km (0.044 R)
• M26: 33,100,922 km (0.105 R)
• M27: 33,630,798 km (0.092 R)
• M28: 34,980,470 km (0.08 R)
• M29: 35,392,163 km (0.116 R)
• M30: 37,787,076 km (0.049 R)
• M31: 38,366,020 km (0.066 R)
• M32: 38,657,586 km (0.051 R)
• M33: 41,349,001 km (0.104 R)
• M34: 46,768,782 km (0.097 R)
• M35: 48,109,329 km (0.103 R)
• M36: 49,475,457 km (0.096 R)
• M37: 51,750,092 km (0.025 R)
• M38: 53,365,001 km (0.098 R)
• M39: 61,946,085 km (0.048 R)
• M40: 69,438,993 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.3

Radius: 4.3

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.43 AU - 10.13 AU

Year: 18852 Days

Day: 22.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,650,206 km

• M1: 53,556 km (0.091 R)
• M2: 738,714 km (0.066 R)
• M3: 986,000 km (0.1 R)
• M4: 3,772,858 km (0.096 R)
• M5: 4,583,679 km (0.114 R)
• M6: 6,073,374 km (0.091 R)
• M7: 7,364,254 km (0.117 R)
• M8: 9,039,302 km (0.099 R)
• M9: 17,076,298 km (0.059 R)
• M10: 24,979,254 km (0.116 R)
• M11: 28,871,043 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 19,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit