🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.53 AU - 0.75 AU

Year: 336 Days

Day: 25.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 8

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.66 AU - 0.72 AU

Year: 376 Days

Day: 5.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,467,511 km

• M1: 99,483 km (0.1 R)
• M2: 428,000 km (0.101 R)
• M3: 704,307 km (0.083 R)
• M4: 1,584,541 km (0.039 R)
• M5: 2,316,224 km (0.107 R)
• M6: 2,696,202 km (0.1 R)
• M7: 3,083,511 km (0.115 R)
• M8: 3,983,343 km (0.105 R)
• M9: 4,314,552 km (0.091 R)
• M10: 4,589,663 km (0.117 R)
• M11: 4,938,375 km (0.102 R)
• M12: 5,321,047 km (0.083 R)
• M13: 5,809,783 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.63 AU - 0.75 AU

Year: 376 Days

Day: 7.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,467,511 km

• M1: 151,692 km (0.097 R)
• M2: 537,655 km (0.095 R)
• M3: 951,592 km (0.106 R)
• M4: 1,362,089 km (0.108 R)
• M5: 1,806,544 km (0.085 R)
• M6: 2,543,014 km (0.104 R)
• M7: 3,089,944 km (0.07 R)
• M8: 3,702,547 km (0.102 R)
• M9: 4,133,688 km (0.093 R)
• M10: 4,922,518 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 10.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.74 AU - 0.76 AU

Year: 426 Days

Day: 13.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,467,511 km

• M1: 131,796 km (0.03 R)
• M2: 472,280 km (0.059 R)
• M3: 807,081 km (0.088 R)
• M4: 1,204,861 km (0.065 R)
• M5: 1,598,154 km (0.08 R)
• M6: 2,054,577 km (0.095 R)
• M7: 2,414,809 km (0.102 R)
• M8: 2,990,761 km (0.084 R)
• M9: 3,370,290 km (0.033 R)
• M10: 3,736,057 km (0.038 R)
• M11: 4,430,640 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 10.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.97 AU - 1.49 AU

Year: 895 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,467,511 km

• M1: 130,001 km (0.086 R)
• M2: 474,824 km (0.086 R)
• M3: 1,013,077 km (0.052 R)
• M4: 1,675,646 km (0.111 R)
• M5: 2,094,520 km (0.063 R)
• M6: 2,454,003 km (0.114 R)
• M7: 2,829,345 km (0.042 R)
• M8: 3,805,171 km (0.058 R)
• M9: 4,751,079 km (0.105 R)
• M10: 5,804,996 km (0.032 R)
• M11: 6,913,516 km (0.098 R)
• M12: 7,846,408 km (0.089 R)
• M13: 8,184,051 km (0.079 R)
• M14: 8,805,480 km (0.046 R)
• M15: 9,342,387 km (0.114 R)
• M16: 9,840,997 km (0.118 R)
• M17: 10,450,458 km (0.079 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 9.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.12 AU - 2.98 AU

Year: 2671 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,467,511 km

• M1: 123,269 km (0.085 R)
• M2: 676,182 km (0.08 R)
• M3: 1,027,438 km (0.11 R)
• M4: 1,405,921 km (0.084 R)
• M5: 1,877,154 km (0.066 R)
• M6: 2,623,498 km (0.074 R)
• M7: 3,501,937 km (0.093 R)
• M8: 4,209,385 km (0.105 R)
• M9: 5,289,182 km (0.04 R)
• M10: 5,779,564 km (0.082 R)
• M11: 6,434,952 km (0.027 R)
• M12: 7,345,255 km (0.079 R)
• M13: 7,831,449 km (0.079 R)
• M14: 8,242,244 km (0.116 R)
• M15: 13,090,412 km (0.056 R)
• M16: 16,774,409 km (0.07 R)
• M17: 17,996,325 km (0.101 R)
• M18: 18,434,946 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 11.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.84 AU - 5.68 AU

Year: 6813 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,467,511 km

• M1: 138,079 km (0.066 R)
• M2: 549,772 km (0.117 R)
• M3: 1,434,344 km (0.038 R)
• M4: 1,798,017 km (0.043 R)
• M5: 2,169,020 km (0.104 R)
• M6: 2,622,600 km (0.057 R)
• M7: 3,033,994 km (0.064 R)
• M8: 3,507,771 km (0.108 R)
• M9: 4,115,437 km (0.07 R)
• M10: 4,535,658 km (0.049 R)
• M11: 6,280,867 km (0.078 R)
• M12: 7,272,700 km (0.037 R)
• M13: 7,956,512 km (0.062 R)
• M14: 9,190,695 km (0.101 R)
• M15: 9,795,669 km (0.082 R)
• M16: 10,147,523 km (0.093 R)
• M17: 11,169,575 km (0.112 R)
• M18: 13,803,545 km (0.101 R)
• M19: 15,316,877 km (0.066 R)
• M20: 16,937,920 km (0.09 R)
• M21: 20,518,545 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.5

Radius: 12.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.92 AU - 6.14 AU

Year: 8531 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,467,511 km

• M1: 150,495 km (0.099 R)
• M2: 574,007 km (0.071 R)
• M3: 1,000,211 km (0.096 R)
• M4: 1,383,481 km (0.06 R)
• M5: 3,561,477 km (0.097 R)
• M6: 4,621,377 km (0.096 R)
• M7: 5,255,074 km (0.06 R)
• M8: 8,553,408 km (0.098 R)
• M9: 9,066,828 km (0.069 R)
• M10: 10,250,147 km (0.118 R)
• M11: 10,634,314 km (0.096 R)
• M12: 14,240,221 km (0.095 R)
• M13: 14,658,647 km (0.071 R)
• M14: 15,332,884 km (0.057 R)
• M15: 18,803,704 km (0.072 R)
• M16: 19,820,970 km (0.11 R)
• M17: 20,418,464 km (0.107 R)
• M18: 22,848,232 km (0.117 R)
• M19: 23,422,539 km (0.034 R)
• M20: 26,709,503 km (0.1 R)
• M21: 27,438,793 km (0.065 R)
• M22: 28,841,871 km (0.067 R)
• M23: 37,709,285 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.7

Radius: 5.6

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.65 AU - 7.07 AU

Year: 11787 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,467,511 km

• M1: 70,909 km (0.105 R)
• M2: 289,921 km (0.072 R)
• M3: 485,894 km (0.082 R)
• M4: 1,056,161 km (0.05 R)
• M5: 1,646,025 km (0.116 R)
• M6: 1,896,153 km (0.072 R)
• M7: 2,802,267 km (0.107 R)
• M8: 3,230,716 km (0.088 R)
• M9: 4,245,588 km (0.082 R)
• M10: 5,094,555 km (0.107 R)
• M11: 7,042,469 km (0.118 R)
• M12: 8,092,946 km (0.064 R)
• M13: 12,800,491 km (0.077 R)
• M14: 12,980,906 km (0.082 R)
• M15: 16,244,085 km (0.108 R)
• M16: 16,597,734 km (0.12 R)
• M17: 19,218,689 km (0.066 R)
• M18: 21,504,395 km (0.052 R)
• M19: 22,450,003 km (0.087 R)
• M20: 23,965,280 km (0.101 R)
• M21: 30,925,470 km (0.107 R)
• M22: 33,705,298 km (0.048 R)
• M23: 36,647,290 km (0.085 R)
• M24: 37,255,555 km (0.064 R)
• M25: 39,374,010 km (0.101 R)
• M26: 40,398,157 km (0.068 R)
• M27: 40,916,813 km (0.117 R)
• M28: 43,849,380 km (0.096 R)
• M29: 46,350,507 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.8

Radius: 5.5

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.22 AU - 9.38 AU

Year: 17125 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,467,511 km

• M1: 71,358 km (0.048 R)
• M2: 254,915 km (0.073 R)
• M3: 428,598 km (0.093 R)
• M4: 767,587 km (0.091 R)
• M5: 1,690,755 km (0.09 R)
• M6: 2,040,814 km (0.109 R)
• M7: 2,716,249 km (0.065 R)
• M8: 2,927,930 km (0.103 R)
• M9: 3,336,930 km (0.082 R)
• M10: 3,530,659 km (0.097 R)
• M11: 3,967,186 km (0.071 R)
• M12: 6,782,468 km (0.045 R)
• M13: 7,415,267 km (0.109 R)
• M14: 7,830,252 km (0.118 R)
• M15: 8,751,924 km (0.05 R)
• M16: 9,310,074 km (0.12 R)
• M17: 9,501,260 km (0.072 R)
• M18: 10,191,205 km (0.046 R)
• M19: 10,756,237 km (0.107 R)
• M20: 11,019,978 km (0.05 R)
• M21: 12,987,938 km (0.112 R)
• M22: 14,274,928 km (0.114 R)
• M23: 16,396,076 km (0.099 R)
• M24: 17,386,713 km (0.064 R)
• M25: 17,604,229 km (0.085 R)
• M26: 24,726,733 km (0.113 R)
• M27: 31,365,886 km (0.104 R)
• M28: 35,033,428 km (0.119 R)
• M29: 37,510,320 km (0.076 R)
• M30: 44,681,294 km (0.106 R)
• M31: 45,637,374 km (0.075 R)
• M32: 45,912,933 km (0.108 R)
• M33: 46,467,492 km (0.076 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 20,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit