🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 12.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.62 AU - 0.96 AU

Year: 485 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,559,209 km

• M1: 154,235 km (0.117 R)
• M2: 580,889 km (0.085 R)
• M3: 1,151,604 km (0.062 R)
• M4: 2,224,670 km (0.086 R)
• M5: 2,625,742 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 15

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.12 AU - 1.64 AU

Year: 1119 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,559,209 km

• M1: 187,446 km (0.103 R)
• M2: 754,272 km (0.054 R)
• M3: 1,611,618 km (0.07 R)
• M4: 2,276,730 km (0.1 R)
• M5: 2,956,503 km (0.109 R)
• M6: 3,457,656 km (0.061 R)
• M7: 4,615,842 km (0.092 R)
• M8: 5,194,636 km (0.079 R)
• M9: 7,278,984 km (0.117 R)
• M10: 7,771,310 km (0.091 R)
• M11: 8,881,027 km (0.064 R)
• M12: 9,718,925 km (0.093 R)
• M13: 10,641,794 km (0.089 R)
• M14: 11,974,262 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 11.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.36 AU - 1.92 AU

Year: 1450 Days

Day: 8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,559,209 km

• M1: 140,622 km (0.112 R)
• M2: 504,743 km (0.069 R)
• M3: 912,248 km (0.082 R)
• M4: 1,514,080 km (0.116 R)
• M5: 1,892,563 km (0.095 R)
• M6: 2,356,914 km (0.105 R)
• M7: 3,067,654 km (0.111 R)
• M8: 3,728,577 km (0.116 R)
• M9: 6,358,508 km (0.1 R)
• M10: 7,458,950 km (0.084 R)
• M11: 8,384,512 km (0.076 R)
• M12: 8,986,793 km (0.057 R)
• M13: 9,442,767 km (0.098 R)
• M14: 10,125,382 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 13.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.71 AU - 2.17 AU

Year: 1865 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,559,209 km

• M1: 166,652 km (0.061 R)
• M2: 620,532 km (0.095 R)
• M3: 1,812,677 km (0.119 R)
• M4: 2,938,102 km (0.056 R)
• M5: 3,999,349 km (0.093 R)
• M6: 4,486,141 km (0.072 R)
• M7: 4,968,744 km (0.117 R)
• M8: 5,579,552 km (0.029 R)
• M9: 6,576,622 km (0.113 R)
• M10: 7,399,859 km (0.086 R)
• M11: 7,866,305 km (0.076 R)
• M12: 8,698,368 km (0.114 R)
• M13: 9,119,486 km (0.074 R)
• M14: 10,720,483 km (0.107 R)
• M15: 11,205,180 km (0.108 R)
• M16: 13,939,978 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.2

Radius: 12.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.5 AU - 2.66 AU

Year: 2860 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,559,209 km

• M1: 156,779 km (0.052 R)
• M2: 641,625 km (0.098 R)
• M3: 1,059,153 km (0.1 R)
• M4: 1,655,749 km (0.075 R)
• M5: 2,322,208 km (0.118 R)
• M6: 2,741,082 km (0.091 R)
• M7: 3,194,363 km (0.087 R)
• M8: 3,734,412 km (0.108 R)
• M9: 4,648,155 km (0.099 R)
• M10: 5,320,897 km (0.112 R)
• M11: 5,879,795 km (0.086 R)
• M12: 7,173,218 km (0.119 R)
• M13: 9,952,447 km (0.104 R)
• M14: 10,765,212 km (0.096 R)
• M15: 11,226,871 km (0.099 R)
• M16: 12,025,874 km (0.096 R)
• M17: 12,734,519 km (0.117 R)
• M18: 13,648,263 km (0.108 R)
• M19: 15,123,746 km (0.119 R)
• M20: 16,298,389 km (0.115 R)
• M21: 17,585,828 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 12.6

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.42 AU - 3.02 AU

Year: 3096 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,559,209 km

• M1: 157,826 km (0.053 R)
• M2: 651,948 km (0.084 R)
• M3: 1,209,200 km (0.078 R)
• M4: 2,712,957 km (0.047 R)
• M5: 3,346,654 km (0.075 R)
• M6: 4,056,795 km (0.106 R)
• M7: 4,704,404 km (0.061 R)
• M8: 5,173,693 km (0.071 R)
• M9: 5,909,864 km (0.093 R)
• M10: 7,219,743 km (0.105 R)
• M11: 8,239,402 km (0.086 R)
• M12: 10,059,858 km (0.102 R)
• M13: 10,882,647 km (0.086 R)
• M14: 11,372,580 km (0.066 R)
• M15: 16,047,513 km (0.097 R)
• M16: 16,469,379 km (0.102 R)
• M17: 17,335,401 km (0.079 R)
• M18: 18,691,057 km (0.113 R)
• M19: 20,917,672 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 8.6

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.79 AU - 3.27 AU

Year: 3641 Days

Day: 7.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,559,209 km

• M1: 106,962 km (0.061 R)
• M2: 397,182 km (0.059 R)
• M3: 1,116,898 km (0.032 R)
• M4: 1,945,221 km (0.097 R)
• M5: 2,413,462 km (0.118 R)
• M6: 2,990,461 km (0.116 R)
• M7: 3,697,162 km (0.111 R)
• M8: 4,726,096 km (0.03 R)
• M9: 5,125,373 km (0.08 R)
• M10: 5,412,750 km (0.057 R)
• M11: 6,459,786 km (0.082 R)
• M12: 7,403,449 km (0.054 R)
• M13: 7,839,826 km (0.112 R)
• M14: 8,293,257 km (0.066 R)
• M15: 11,522,626 km (0.111 R)
• M16: 11,972,018 km (0.115 R)
• M17: 13,243,899 km (0.092 R)
• M18: 15,344,254 km (0.106 R)
• M19: 16,900,221 km (0.119 R)
• M20: 18,315,267 km (0.07 R)
• M21: 18,804,153 km (0.105 R)
• M22: 19,364,397 km (0.081 R)
• M23: 20,064,216 km (0.119 R)
• M24: 20,583,620 km (0.032 R)
• M25: 22,334,065 km (0.097 R)
• M26: 24,844,018 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 10.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.75 AU - 5.91 AU

Year: 8494 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,559,209 km

• M1: 134,638 km (0.036 R)
• M2: 508,782 km (0.106 R)
• M3: 1,540,110 km (0.098 R)
• M4: 1,985,463 km (0.062 R)
• M5: 2,424,233 km (0.119 R)
• M6: 3,361,165 km (0.078 R)
• M7: 5,542,751 km (0.052 R)
• M8: 11,600,268 km (0.084 R)
• M9: 12,302,181 km (0.093 R)
• M10: 12,804,531 km (0.082 R)
• M11: 14,702,329 km (0.068 R)
• M12: 17,122,224 km (0.114 R)
• M13: 19,047,848 km (0.104 R)
• M14: 23,155,955 km (0.065 R)
• M15: 26,971,000 km (0.1 R)
• M16: 28,106,298 km (0.108 R)
• M17: 31,392,066 km (0.078 R)
• M18: 36,730,765 km (0.074 R)
• M19: 37,423,403 km (0.084 R)
• M20: 39,313,124 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.4

Radius: 10

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.85 AU - 6.11 AU

Year: 8855 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,559,209 km

• M1: 124,316 km (0.097 R)
• M2: 639,830 km (0.067 R)
• M3: 1,176,288 km (0.074 R)
• M4: 1,902,137 km (0.043 R)
• M5: 2,586,098 km (0.074 R)
• M6: 3,686,840 km (0.068 R)
• M7: 4,089,707 km (0.066 R)
• M8: 4,634,692 km (0.083 R)
• M9: 5,383,279 km (0.095 R)
• M10: 6,456,794 km (0.084 R)
• M11: 7,390,284 km (0.119 R)
• M12: 7,909,987 km (0.107 R)
• M13: 9,523,700 km (0.078 R)
• M14: 10,781,818 km (0.099 R)
• M15: 11,398,460 km (0.094 R)
• M16: 13,390,356 km (0.106 R)
• M17: 14,715,943 km (0.056 R)
• M18: 16,933,881 km (0.091 R)
• M19: 18,627,777 km (0.106 R)
• M20: 20,587,210 km (0.085 R)
• M21: 21,536,259 km (0.078 R)
• M22: 23,950,320 km (0.107 R)
• M23: 25,988,890 km (0.043 R)
• M24: 27,663,040 km (0.097 R)
• M25: 29,506,983 km (0.107 R)
• M26: 32,477,249 km (0.093 R)
• M27: 35,754,041 km (0.084 R)
• M28: 37,355,935 km (0.058 R)
• M29: 41,320,428 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.7

Radius: 6.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.88 AU - 6.82 AU

Year: 11045 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 33,559,209 km

• M1: 87,066 km (0.118 R)
• M2: 380,278 km (0.112 R)
• M3: 874,699 km (0.079 R)
• M4: 1,243,158 km (0.107 R)
• M5: 1,580,950 km (0.064 R)
• M6: 1,792,781 km (0.048 R)
• M7: 2,130,872 km (0.11 R)
• M8: 2,599,113 km (0.06 R)
• M9: 3,831,949 km (0.114 R)
• M10: 6,025,503 km (0.038 R)
• M11: 6,888,832 km (0.119 R)
• M12: 7,719,101 km (0.105 R)
• M13: 8,374,339 km (0.047 R)
• M14: 8,614,294 km (0.095 R)
• M15: 9,319,199 km (0.093 R)
• M16: 9,707,555 km (0.112 R)
• M17: 11,080,415 km (0.118 R)
• M18: 11,369,887 km (0.097 R)
• M19: 12,115,333 km (0.112 R)
• M20: 17,094,698 km (0.066 R)
• M21: 18,473,392 km (0.093 R)
• M22: 19,155,259 km (0.099 R)
• M23: 19,432,763 km (0.079 R)
• M24: 19,853,881 km (0.103 R)
• M25: 21,450,240 km (0.104 R)
• M26: 23,444,978 km (0.04 R)
• M27: 26,150,605 km (0.071 R)
• M28: 29,148,846 km (0.094 R)
• M29: 31,687,073 km (0.063 R)
• M30: 32,270,505 km (0.111 R)
• M31: 32,564,913 km (0.054 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: 167 - 10,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit