🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 11.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,912,335 km

• M1: 141,819 km (0.114 R)
• M2: 541,694 km (0.091 R)
• M3: 983,008 km (0.097 R)
• M4: 1,357,750 km (0.102 R)
• M5: 1,851,124 km (0.071 R)
• M6: 2,228,559 km (0.056 R)
• M7: 2,797,331 km (0.117 R)
• M8: 3,384,801 km (0.027 R)
• M9: 3,754,757 km (0.077 R)
• M10: 4,214,322 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 8.3

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.25 AU - 1.91 AU

Year: 1371 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,912,335 km

• M1: 103,522 km (0.101 R)
• M2: 422,764 km (0.086 R)
• M3: 699,220 km (0.095 R)
• M4: 992,881 km (0.109 R)
• M5: 1,672,803 km (0.102 R)
• M6: 2,020,469 km (0.025 R)
• M7: 3,003,925 km (0.105 R)
• M8: 3,650,936 km (0.038 R)
• M9: 4,462,654 km (0.085 R)
• M10: 4,732,229 km (0.091 R)
• M11: 5,033,220 km (0.096 R)
• M12: 6,153,409 km (0.082 R)
• M13: 6,709,764 km (0.045 R)
• M14: 7,405,095 km (0.112 R)
• M15: 7,756,650 km (0.074 R)
• M16: 10,369,825 km (0.11 R)
• M17: 10,707,468 km (0.106 R)
• M18: 11,157,458 km (0.073 R)
• M19: 11,583,962 km (0.034 R)
• M20: 12,659,570 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 8.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2 AU - 2.26 AU

Year: 2146 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,912,335 km

• M1: 100,829 km (0.099 R)
• M2: 394,639 km (0.072 R)
• M3: 731,833 km (0.053 R)
• M4: 1,313,769 km (0.095 R)
• M5: 2,163,634 km (0.088 R)
• M6: 2,994,501 km (0.082 R)
• M7: 4,702,310 km (0.098 R)
• M8: 5,049,676 km (0.108 R)
• M9: 5,883,235 km (0.069 R)
• M10: 6,613,871 km (0.108 R)
• M11: 7,250,859 km (0.078 R)
• M12: 7,689,031 km (0.038 R)
• M13: 8,421,163 km (0.106 R)
• M14: 8,675,330 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233

Radius: 12.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.31 AU - 3.39 AU

Year: 4232 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,912,335 km

• M1: 150,495 km (0.06 R)
• M2: 786,885 km (0.109 R)
• M3: 1,234,930 km (0.086 R)
• M4: 1,711,998 km (0.071 R)
• M5: 2,419,895 km (0.1 R)
• M6: 3,212,913 km (0.109 R)
• M7: 4,653,092 km (0.1 R)
• M8: 5,481,116 km (0.079 R)
• M9: 6,059,761 km (0.115 R)
• M10: 8,527,378 km (0.092 R)
• M11: 11,004,569 km (0.033 R)
• M12: 12,429,189 km (0.119 R)
• M13: 13,208,146 km (0.065 R)
• M14: 14,673,008 km (0.104 R)
• M15: 15,444,783 km (0.118 R)
• M16: 17,439,521 km (0.095 R)
• M17: 18,637,800 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 9.7

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.86 AU - 3.94 AU

Year: 4327 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,912,335 km

• M1: 120,576 km (0.1 R)
• M2: 441,613 km (0.028 R)
• M3: 888,761 km (0.03 R)
• M4: 1,246,449 km (0.05 R)
• M5: 1,774,530 km (0.099 R)
• M6: 2,622,002 km (0.039 R)
• M7: 3,718,554 km (0.117 R)
• M8: 4,428,845 km (0.075 R)
• M9: 5,148,261 km (0.094 R)
• M10: 5,972,396 km (0.047 R)
• M11: 6,568,992 km (0.088 R)
• M12: 7,270,756 km (0.107 R)
• M13: 10,332,575 km (0.09 R)
• M14: 10,886,387 km (0.075 R)
• M15: 12,523,735 km (0.096 R)
• M16: 12,957,420 km (0.115 R)
• M17: 15,223,977 km (0.072 R)
• M18: 17,030,072 km (0.117 R)
• M19: 25,923,067 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 8.4

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.31 AU - 4.51 AU

Year: 6392 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,912,335 km

• M1: 104,419 km (0.032 R)
• M2: 429,495 km (0.112 R)
• M3: 743,053 km (0.079 R)
• M4: 1,150,258 km (0.051 R)
• M5: 1,447,958 km (0.091 R)
• M6: 2,154,808 km (0.112 R)
• M7: 2,436,351 km (0.113 R)
• M8: 2,974,006 km (0.092 R)
• M9: 3,324,663 km (0.07 R)
• M10: 3,588,554 km (0.05 R)
• M11: 4,598,489 km (0.104 R)
• M12: 5,724,662 km (0.072 R)
• M13: 6,674,010 km (0.061 R)
• M14: 8,150,840 km (0.05 R)
• M15: 8,798,599 km (0.069 R)
• M16: 9,878,845 km (0.11 R)
• M17: 14,972,952 km (0.039 R)
• M18: 15,943,692 km (0.075 R)
• M19: 16,255,454 km (0.065 R)
• M20: 17,150,199 km (0.057 R)
• M21: 22,276,619 km (0.078 R)
• M22: 22,588,231 km (0.098 R)
• M23: 29,074,945 km (0.117 R)
• M24: 30,391,555 km (0.116 R)
• M25: 31,747,511 km (0.111 R)
• M26: 33,753,917 km (0.12 R)
• M27: 34,268,384 km (0.115 R)
• M28: 34,892,656 km (0.1 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 12

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.37 AU - 5.67 AU

Year: 7764 Days

Day: 9.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,912,335 km

• M1: 308,620 km (0.066 R)
• M2: 911,051 km (0.107 R)
• M3: 1,458,729 km (0.076 R)
• M4: 2,534,188 km (0.076 R)
• M5: 3,315,388 km (0.117 R)
• M6: 4,079,384 km (0.082 R)
• M7: 4,848,168 km (0.072 R)
• M8: 5,989,001 km (0.085 R)
• M9: 7,778,491 km (0.088 R)
• M10: 9,900,537 km (0.118 R)
• M11: 11,777,092 km (0.079 R)
• M12: 15,020,823 km (0.045 R)
• M13: 15,977,352 km (0.117 R)
• M14: 23,211,157 km (0.106 R)
• M15: 25,729,338 km (0.112 R)
• M16: 29,058,190 km (0.1 R)
• M17: 30,730,993 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 12.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.67 AU - 5.71 AU

Year: 8161 Days

Day: 10.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,912,335 km

• M1: 150,495 km (0.101 R)
• M2: 1,003,652 km (0.051 R)
• M3: 3,412,926 km (0.057 R)
• M4: 4,277,751 km (0.103 R)
• M5: 5,170,701 km (0.096 R)
• M6: 5,661,831 km (0.116 R)
• M7: 6,152,362 km (0.119 R)
• M8: 9,977,580 km (0.111 R)
• M9: 10,926,479 km (0.036 R)
• M10: 16,410,438 km (0.059 R)
• M11: 18,650,965 km (0.111 R)
• M12: 19,190,415 km (0.065 R)
• M13: 23,888,386 km (0.091 R)
• M14: 26,502,460 km (0.099 R)
• M15: 27,013,037 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762

Radius: 4.4

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.49 AU - 12.07 AU

Year: 22751 Days

Day: 22.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,912,335 km

• M1: 55,650 km (0.105 R)
• M2: 252,222 km (0.082 R)
• M3: 447,447 km (0.034 R)
• M4: 671,994 km (0.118 R)
• M5: 872,754 km (0.079 R)
• M6: 1,563,747 km (0.108 R)
• M7: 2,303,957 km (0.11 R)
• M8: 4,298,695 km (0.079 R)
• M9: 4,546,279 km (0.091 R)
• M10: 4,691,838 km (0.117 R)
• M11: 5,306,087 km (0.054 R)
• M12: 9,256,219 km (0.115 R)
• M13: 10,032,632 km (0.085 R)
• M14: 10,405,130 km (0.09 R)
• M15: 12,196,714 km (0.028 R)
• M16: 12,764,738 km (0.085 R)
• M17: 13,649,459 km (0.055 R)
• M18: 15,458,098 km (0.115 R)
• M19: 16,292,106 km (0.044 R)
• M20: 17,155,585 km (0.118 R)
• M21: 18,879,550 km (0.113 R)
• M22: 19,351,681 km (0.08 R)
• M23: 20,123,457 km (0.056 R)
• M24: 20,517,049 km (0.096 R)
• M25: 21,728,343 km (0.037 R)
• M26: 29,756,961 km (0.045 R)
• M27: 34,846,281 km (0.03 R)
• M28: 40,642,151 km (0.11 R)
• M29: 40,798,630 km (0.114 R)
• M30: 42,869,963 km (0.119 R)
• M31: 46,191,783 km (0.085 R)
• M32: 46,533,166 km (0.109 R)
• M33: 48,440,688 km (0.059 R)
• M34: 50,942,862 km (0.07 R)
• M35: 52,041,210 km (0.113 R)
• M36: 54,474,718 km (0.1 R)
• M37: 63,063,132 km (0.059 R)
• M38: 70,234,704 km (0.101 R)
• M39: 73,899,553 km (0.096 R)
• M40: 78,414,716 km (0.079 R)
• M41: 78,900,311 km (0.224 R)
• M42: 82,858,371 km (0.092 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: 423 - 10,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit