🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 8.4

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,565,492 km

• M1: 104,419 km (0.059 R)
• M2: 408,851 km (0.07 R)
• M3: 695,032 km (0.088 R)
• M4: 1,016,518 km (0.041 R)
• M5: 1,293,722 km (0.107 R)
• M6: 1,735,784 km (0.109 R)
• M7: 2,128,778 km (0.088 R)
• M8: 2,499,182 km (0.081 R)
• M9: 3,357,874 km (0.116 R)
• M10: 3,727,979 km (0.072 R)
• M11: 4,054,850 km (0.039 R)
• M12: 4,672,839 km (0.062 R)
• M13: 5,715,835 km (0.103 R)
• M14: 6,396,506 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 14.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.37 AU - 1.75 AU

Year: 1278 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,565,492 km

• M1: 176,675 km (0.028 R)
• M2: 766,689 km (0.098 R)
• M3: 1,434,045 km (0.12 R)
• M4: 1,938,040 km (0.057 R)
• M5: 2,500,528 km (0.094 R)
• M6: 3,361,165 km (0.092 R)
• M7: 4,147,451 km (0.106 R)
• M8: 5,014,072 km (0.028 R)
• M9: 5,909,864 km (0.113 R)
• M10: 6,909,926 km (0.075 R)
• M11: 7,515,647 km (0.066 R)
• M12: 8,184,051 km (0.088 R)
• M13: 9,067,725 km (0.08 R)
• M14: 10,527,801 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 10.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.71 AU - 2.79 AU

Year: 2214 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,565,492 km

• M1: 128,056 km (0.119 R)
• M2: 467,793 km (0.089 R)
• M3: 796,908 km (0.097 R)
• M4: 1,289,982 km (0.052 R)
• M5: 1,687,913 km (0.08 R)
• M6: 2,248,157 km (0.087 R)
• M7: 3,028,310 km (0.115 R)
• M8: 4,393,241 km (0.036 R)
• M9: 5,160,379 km (0.054 R)
• M10: 6,783,515 km (0.06 R)
• M11: 9,867,924 km (0.101 R)
• M12: 10,902,394 km (0.081 R)
• M13: 11,715,308 km (0.057 R)
• M14: 12,530,467 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 9.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.96 AU - 2.94 AU

Year: 2516 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,565,492 km

• M1: 118,182 km (0.113 R)
• M2: 467,194 km (0.116 R)
• M3: 1,618,051 km (0.077 R)
• M4: 2,321,011 km (0.032 R)
• M5: 2,754,546 km (0.116 R)
• M6: 3,903,607 km (0.101 R)
• M7: 4,291,215 km (0.098 R)
• M8: 4,790,124 km (0.117 R)
• M9: 6,290,740 km (0.079 R)
• M10: 8,331,405 km (0.081 R)
• M11: 8,766,286 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 12.4

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.61 AU - 5.37 AU

Year: 6241 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,565,492 km

• M1: 157,078 km (0.066 R)
• M2: 598,242 km (0.086 R)
• M3: 1,088,474 km (0.118 R)
• M4: 1,848,880 km (0.067 R)
• M5: 2,477,042 km (0.08 R)
• M6: 3,058,379 km (0.103 R)
• M7: 3,799,487 km (0.114 R)
• M8: 4,213,125 km (0.117 R)
• M9: 4,932,691 km (0.114 R)
• M10: 5,426,513 km (0.067 R)
• M11: 7,002,377 km (0.097 R)
• M12: 10,184,473 km (0.112 R)
• M13: 10,604,993 km (0.113 R)
• M14: 17,248,784 km (0.072 R)
• M15: 17,982,262 km (0.094 R)
• M16: 19,726,723 km (0.083 R)
• M17: 20,825,968 km (0.067 R)
• M18: 21,965,755 km (0.09 R)
• M19: 23,387,832 km (0.086 R)
• M20: 24,786,422 km (0.093 R)
• M21: 26,678,087 km (0.09 R)
• M22: 29,222,747 km (0.09 R)
• M23: 31,925,233 km (0.077 R)
• M24: 36,176,804 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.7

Radius: 5.3

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.84 AU - 7.74 AU

Year: 10349 Days

Day: 21.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,565,492 km

• M1: 102,923 km (0.112 R)
• M2: 1,119,441 km (0.062 R)
• M3: 1,621,192 km (0.117 R)
• M4: 2,401,046 km (0.087 R)
• M5: 3,695,516 km (0.114 R)
• M6: 5,315,063 km (0.12 R)
• M7: 11,158,056 km (0.101 R)
• M8: 11,474,456 km (0.074 R)
• M9: 14,921,789 km (0.088 R)
• M10: 15,416,958 km (0.116 R)
• M11: 19,194,454 km (0.08 R)
• M12: 19,779,980 km (0.096 R)
• M13: 22,815,022 km (0.108 R)
• M14: 23,619,559 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.2

Radius: 4

Gravity: 27.39 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.12 AU - 11.54 AU

Year: 18695 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 57,565,492 km

• M1: 49,816 km (0.096 R)
• M2: 763,099 km (0.103 R)
• M3: 1,137,841 km (0.118 R)
• M4: 1,809,237 km (0.093 R)
• M5: 1,970,204 km (0.104 R)
• M6: 2,362,300 km (0.118 R)
• M7: 2,666,432 km (0.109 R)
• M8: 2,827,998 km (0.074 R)
• M9: 3,486,229 km (0.05 R)
• M10: 4,179,465 km (0.105 R)
• M11: 5,384,626 km (0.082 R)
• M12: 5,531,531 km (0.054 R)
• M13: 5,871,716 km (0.11 R)
• M14: 6,027,298 km (0.063 R)
• M15: 6,265,757 km (0.074 R)
• M16: 6,932,665 km (0.039 R)
• M17: 7,238,891 km (0.029 R)
• M18: 7,463,139 km (0.088 R)
• M19: 9,009,083 km (0.049 R)
• M20: 10,640,897 km (0.113 R)
• M21: 10,814,280 km (0.11 R)
• M22: 12,588,062 km (0.086 R)
• M23: 13,713,188 km (0.089 R)
• M24: 15,266,612 km (0.06 R)
• M25: 15,635,371 km (0.094 R)
• M26: 19,396,561 km (0.063 R)
• M27: 20,091,592 km (0.07 R)
• M28: 23,425,680 km (0.09 R)
• M29: 24,114,130 km (0.104 R)
• M30: 30,229,691 km (0.032 R)
• M31: 30,577,506 km (0.079 R)
• M32: 35,088,779 km (0.119 R)
• M33: 38,919,980 km (0.088 R)
• M34: 39,884,887 km (0.097 R)
• M35: 44,052,085 km (0.075 R)
• M36: 44,349,785 km (0.089 R)
• M37: 48,658,802 km (0.034 R)
• M38: 49,617,126 km (0.037 R)
• M39: 50,750,928 km (0.105 R)
• M40: 53,070,293 km (0.051 R)
• M41: 54,426,847 km (0.084 R)
• M42: 55,286,287 km (0.083 R)
• M43: 61,929,479 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 5.9

Gravity: 21.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.58 AU - 10.5 AU

Year: 19330 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,565,492 km

• M1: 73,303 km (0.046 R)
• M2: 261,796 km (0.084 R)
• M3: 527,632 km (0.075 R)
• M4: 792,869 km (0.036 R)
• M5: 1,980,526 km (0.03 R)
• M6: 2,183,231 km (0.089 R)
• M7: 2,702,785 km (0.096 R)
• M8: 5,788,989 km (0.107 R)
• M9: 6,421,937 km (0.083 R)
• M10: 7,384,300 km (0.112 R)
• M11: 13,239,112 km (0.114 R)
• M12: 16,290,011 km (0.09 R)
• M13: 16,784,731 km (0.116 R)
• M14: 17,459,717 km (0.098 R)
• M15: 19,872,132 km (0.111 R)
• M16: 20,436,864 km (0.1 R)
• M17: 20,627,452 km (0.048 R)
• M18: 20,915,727 km (0.09 R)
• M19: 21,697,226 km (0.114 R)
• M20: 27,373,119 km (0.089 R)
• M21: 28,782,930 km (0.106 R)
• M22: 31,491,997 km (0.109 R)
• M23: 32,388,388 km (0.061 R)
• M24: 33,301,683 km (0.036 R)
• M25: 39,586,738 km (0.04 R)
• M26: 45,961,851 km (0.12 R)
• M27: 47,781,709 km (0.091 R)
• M28: 49,993,664 km (0.095 R)
• M29: 60,305,146 km (0.111 R)
• M30: 62,284,176 km (0.106 R)
• M31: 63,087,666 km (0.109 R)
• M32: 65,126,835 km (0.1 R)
• M33: 65,333,130 km (0.073 R)
• M34: 65,539,874 km (0.086 R)
• M35: 66,789,465 km (0.039 R)
• M36: 67,631,253 km (0.094 R)
• M37: 75,984,648 km (0.069 R)
• M38: 76,442,268 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.4

Radius: 5.1

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.25 AU - 11.43 AU

Year: 21812 Days

Day: 21.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,565,492 km

• M1: 63,429 km (0.09 R)
• M2: 457,769 km (0.106 R)
• M3: 929,900 km (0.108 R)
• M4: 1,451,399 km (0.104 R)
• M5: 2,148,674 km (0.102 R)
• M6: 2,383,842 km (0.117 R)
• M7: 2,550,045 km (0.116 R)
• M8: 3,634,181 km (0.118 R)
• M9: 4,233,021 km (0.091 R)
• M10: 6,304,204 km (0.096 R)
• M11: 7,513,104 km (0.066 R)
• M12: 7,826,512 km (0.11 R)
• M13: 11,516,493 km (0.077 R)
• M14: 12,797,051 km (0.068 R)
• M15: 13,051,217 km (0.036 R)
• M16: 13,504,200 km (0.03 R)
• M17: 15,565,210 km (0.095 R)
• M18: 16,745,836 km (0.066 R)
• M19: 19,200,887 km (0.074 R)
• M20: 20,212,318 km (0.114 R)
• M21: 21,615,546 km (0.071 R)
• M22: 21,885,720 km (0.104 R)
• M23: 22,617,104 km (0.068 R)
• M24: 24,908,943 km (0.086 R)
• M25: 26,009,385 km (0.102 R)
• M26: 33,420,015 km (0.116 R)
• M27: 34,389,110 km (0.03 R)
• M28: 35,252,439 km (0.088 R)
• M29: 41,842,824 km (0.1 R)
• M30: 46,166,501 km (0.082 R)
• M31: 48,436,051 km (0.083 R)
• M32: 49,520,037 km (0.025 R)
• M33: 55,184,111 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 15,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit