🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 13.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.67 AU - 2.25 AU

Year: 1800 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,920,425 km

• M1: 172,935 km (0.066 R)
• M2: 660,774 km (0.074 R)
• M3: 1,117,047 km (0.115 R)
• M4: 1,733,989 km (0.098 R)
• M5: 2,319,814 km (0.11 R)
• M6: 3,423,547 km (0.066 R)
• M7: 4,076,392 km (0.079 R)
• M8: 6,371,673 km (0.086 R)
• M9: 6,986,819 km (0.052 R)
• M10: 7,868,549 km (0.083 R)
• M11: 8,608,011 km (0.056 R)
• M12: 9,232,582 km (0.119 R)
• M13: 9,988,051 km (0.073 R)
• M14: 10,855,719 km (0.116 R)
• M15: 11,474,007 km (0.079 R)
• M16: 12,231,421 km (0.08 R)
• M17: 12,701,607 km (0.113 R)
• M18: 14,100,048 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.9

Radius: 11.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.19 AU - 2.59 AU

Year: 2424 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,920,425 km

• M1: 148,850 km (0.089 R)
• M2: 1,083,986 km (0.114 R)
• M3: 1,535,323 km (0.097 R)
• M4: 2,675,408 km (0.087 R)
• M5: 4,946,454 km (0.097 R)
• M6: 5,944,870 km (0.109 R)
• M7: 7,299,628 km (0.101 R)
• M8: 7,901,161 km (0.079 R)
• M9: 10,286,499 km (0.107 R)
• M10: 11,349,392 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.4

Radius: 8.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.64 AU - 4.04 AU

Year: 4004 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,920,425 km

• M1: 108,309 km (0.087 R)
• M2: 606,470 km (0.063 R)
• M3: 1,613,862 km (0.029 R)
• M4: 1,867,580 km (0.066 R)
• M5: 2,992,556 km (0.075 R)
• M6: 3,342,764 km (0.107 R)
• M7: 4,104,666 km (0.052 R)
• M8: 4,515,612 km (0.107 R)
• M9: 5,470,645 km (0.034 R)
• M10: 5,729,150 km (0.057 R)
• M11: 6,270,844 km (0.099 R)
• M12: 7,269,559 km (0.059 R)
• M13: 8,336,790 km (0.065 R)
• M14: 9,691,100 km (0.102 R)
• M15: 11,104,052 km (0.088 R)
• M16: 11,477,597 km (0.108 R)
• M17: 12,250,121 km (0.088 R)
• M18: 13,011,125 km (0.112 R)
• M19: 13,520,057 km (0.068 R)
• M20: 14,676,598 km (0.118 R)
• M21: 15,126,888 km (0.096 R)
• M22: 15,483,380 km (0.108 R)
• M23: 16,107,652 km (0.093 R)
• M24: 16,911,441 km (0.12 R)
• M25: 17,967,602 km (0.072 R)
• M26: 18,773,486 km (0.091 R)
• M27: 19,363,799 km (0.108 R)
• M28: 20,581,226 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 11.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.52 AU - 4.46 AU

Year: 5228 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,920,425 km

• M1: 138,677 km (0.073 R)
• M2: 494,870 km (0.066 R)
• M3: 855,101 km (0.083 R)
• M4: 1,400,386 km (0.095 R)
• M5: 1,903,483 km (0.104 R)
• M6: 2,692,014 km (0.11 R)
• M7: 3,161,901 km (0.113 R)
• M8: 4,105,265 km (0.047 R)
• M9: 4,680,319 km (0.064 R)
• M10: 5,614,558 km (0.09 R)
• M11: 6,355,067 km (0.114 R)
• M12: 8,212,774 km (0.109 R)
• M13: 8,776,907 km (0.084 R)
• M14: 9,568,878 km (0.05 R)
• M15: 11,341,015 km (0.043 R)
• M16: 12,869,007 km (0.112 R)
• M17: 13,475,926 km (0.118 R)
• M18: 14,801,662 km (0.102 R)
• M19: 15,866,051 km (0.068 R)
• M20: 16,801,337 km (0.084 R)
• M21: 17,404,216 km (0.086 R)
• M22: 18,845,891 km (0.079 R)
• M23: 22,541,108 km (0.083 R)
• M24: 22,905,977 km (0.114 R)
• M25: 23,647,534 km (0.095 R)
• M26: 24,712,521 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.1

Radius: 8.9

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.41 AU - 5.57 AU

Year: 8439 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,920,425 km

• M1: 114,293 km (0.114 R)
• M2: 401,820 km (0.091 R)
• M3: 1,148,463 km (0.119 R)
• M4: 1,522,009 km (0.114 R)
• M5: 2,009,099 km (0.029 R)
• M6: 2,577,123 km (0.098 R)
• M7: 3,513,306 km (0.094 R)
• M8: 4,004,885 km (0.106 R)
• M9: 5,689,506 km (0.072 R)
• M10: 6,442,881 km (0.074 R)
• M11: 6,941,491 km (0.116 R)
• M12: 7,843,865 km (0.104 R)
• M13: 8,638,679 km (0.091 R)
• M14: 9,055,758 km (0.065 R)
• M15: 9,534,919 km (0.097 R)
• M16: 11,846,506 km (0.057 R)
• M17: 13,375,546 km (0.09 R)
• M18: 13,871,313 km (0.105 R)
• M19: 14,379,347 km (0.117 R)
• M20: 16,749,127 km (0.116 R)
• M21: 17,544,838 km (0.106 R)
• M22: 22,594,215 km (0.073 R)
• M23: 24,288,710 km (0.085 R)
• M24: 26,645,326 km (0.088 R)
• M25: 27,629,081 km (0.061 R)
• M26: 31,047,991 km (0.12 R)
• M27: 35,322,451 km (0.107 R)
• M28: 38,712,189 km (0.087 R)
• M29: 39,339,453 km (0.12 R)
• M30: 41,523,133 km (0.092 R)

Asteroid Belt

Center: 6.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 7.9

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.52 AU - 10.02 AU

Year: 15602 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,920,425 km

• M1: 98,585 km (0.102 R)
• M2: 452,833 km (0.091 R)
• M3: 759,359 km (0.098 R)
• M4: 1,608,327 km (0.053 R)
• M5: 2,117,558 km (0.084 R)
• M6: 2,471,955 km (0.086 R)
• M7: 2,819,920 km (0.026 R)
• M8: 3,225,031 km (0.079 R)
• M9: 3,834,642 km (0.116 R)
• M10: 4,241,997 km (0.109 R)
• M11: 5,143,175 km (0.115 R)
• M12: 6,012,488 km (0.104 R)
• M13: 8,369,103 km (0.046 R)
• M14: 8,806,079 km (0.099 R)
• M15: 9,991,941 km (0.119 R)
• M16: 14,185,169 km (0.1 R)
• M17: 17,318,796 km (0.071 R)
• M18: 18,512,288 km (0.094 R)
• M19: 19,930,326 km (0.077 R)
• M20: 20,360,869 km (0.076 R)
• M21: 22,793,480 km (0.107 R)
• M22: 24,814,696 km (0.088 R)
• M23: 26,848,031 km (0.116 R)
• M24: 28,227,772 km (0.105 R)
• M25: 30,102,383 km (0.115 R)
• M26: 32,530,955 km (0.118 R)
• M27: 34,962,369 km (0.072 R)
• M28: 41,846,264 km (0.105 R)
• M29: 49,267,516 km (0.079 R)
• M30: 54,450,483 km (0.063 R)
• M31: 57,693,765 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit