🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 8.3

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.01 AU - 1.41 AU

Year: 873 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,975,382 km

• M1: 103,223 km (0.104 R)
• M2: 547,827 km (0.119 R)
• M3: 925,412 km (0.053 R)
• M4: 1,418,936 km (0.04 R)
• M5: 2,293,186 km (0.072 R)
• M6: 2,744,074 km (0.046 R)
• M7: 3,120,312 km (0.045 R)
• M8: 4,022,986 km (0.103 R)
• M9: 4,855,648 km (0.063 R)
• M10: 5,182,070 km (0.075 R)
• M11: 7,993,014 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 9.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.42 AU - 1.52 AU

Year: 1169 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,975,382 km

• M1: 121,773 km (0.089 R)
• M2: 421,118 km (0.12 R)
• M3: 780,452 km (0.12 R)
• M4: 1,589,178 km (0.109 R)
• M5: 1,936,694 km (0.049 R)
• M6: 2,437,847 km (0.08 R)
• M7: 3,047,757 km (0.113 R)
• M8: 4,635,290 km (0.114 R)
• M9: 5,088,871 km (0.107 R)
• M10: 6,444,377 km (0.096 R)
• M11: 7,540,630 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.1

Radius: 11.3

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.73 AU - 1.91 AU

Year: 1611 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 115.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,975,382 km

• M1: 140,622 km (0.05 R)
• M2: 988,842 km (0.045 R)
• M3: 1,599,500 km (0.116 R)
• M4: 2,311,885 km (0.115 R)
• M5: 2,870,484 km (0.11 R)
• M6: 5,421,576 km (0.11 R)
• M7: 10,743,371 km (0.096 R)
• M8: 11,235,698 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.6

Radius: 11.3

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.78 AU - 2.06 AU

Year: 1745 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,975,382 km

• M1: 141,968 km (0.098 R)
• M2: 549,623 km (0.095 R)
• M3: 907,161 km (0.051 R)
• M4: 1,678,189 km (0.1 R)
• M5: 2,307,547 km (0.083 R)
• M6: 2,815,282 km (0.111 R)
• M7: 3,907,197 km (0.085 R)
• M8: 4,428,097 km (0.114 R)
• M9: 4,994,923 km (0.096 R)
• M10: 5,399,286 km (0.028 R)
• M11: 7,212,712 km (0.114 R)
• M12: 8,242,543 km (0.085 R)
• M13: 8,809,071 km (0.113 R)
• M14: 10,411,413 km (0.101 R)
• M15: 11,531,004 km (0.081 R)
• M16: 12,040,385 km (0.056 R)
• M17: 12,770,422 km (0.098 R)
• M18: 13,529,631 km (0.119 R)
• M19: 15,512,402 km (0.118 R)
• M20: 16,182,151 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.4

Radius: 10.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.38 AU - 2.48 AU

Year: 2485 Days

Day: 14.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,975,382 km

• M1: 127,009 km (0.094 R)
• M2: 509,530 km (0.104 R)
• M3: 958,174 km (0.106 R)
• M4: 1,773,333 km (0.104 R)
• M5: 2,285,257 km (0.118 R)
• M6: 3,400,210 km (0.054 R)
• M7: 3,932,928 km (0.071 R)
• M8: 5,850,025 km (0.114 R)
• M9: 8,784,088 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 12.2

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.87 AU - 5.93 AU

Year: 7115 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,975,382 km

• M1: 155,133 km (0.045 R)
• M2: 766,839 km (0.031 R)
• M3: 1,431,951 km (0.047 R)
• M4: 2,292,887 km (0.029 R)
• M5: 3,591,845 km (0.091 R)
• M6: 4,253,815 km (0.094 R)
• M7: 4,870,607 km (0.084 R)
• M8: 5,766,400 km (0.079 R)
• M9: 6,583,952 km (0.066 R)
• M10: 7,021,077 km (0.118 R)
• M11: 7,444,140 km (0.108 R)
• M12: 8,742,649 km (0.114 R)
• M13: 11,117,964 km (0.102 R)
• M14: 11,604,157 km (0.108 R)
• M15: 13,149,054 km (0.097 R)
• M16: 15,855,430 km (0.036 R)
• M17: 16,358,976 km (0.107 R)
• M18: 17,516,265 km (0.091 R)
• M19: 20,384,056 km (0.114 R)
• M20: 20,779,892 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.1

Radius: 3.9

Gravity: 51.42 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.33 AU - 9.51 AU

Year: 18966 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 152.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,975,382 km

• M1: 48,769 km (0.097 R)
• M2: 194,776 km (0.076 R)
• M3: 317,895 km (0.107 R)
• M4: 466,745 km (0.101 R)
• M5: 821,592 km (0.107 R)
• M6: 1,108,969 km (0.085 R)
• M7: 1,276,219 km (0.078 R)
• M8: 1,750,594 km (0.051 R)
• M9: 2,268,203 km (0.086 R)
• M10: 5,106,972 km (0.067 R)
• M11: 5,979,128 km (0.078 R)
• M12: 6,362,996 km (0.113 R)
• M13: 7,370,388 km (0.099 R)
• M14: 7,861,667 km (0.111 R)
• M15: 8,692,534 km (0.094 R)
• M16: 10,835,075 km (0.091 R)
• M17: 11,534,145 km (0.103 R)
• M18: 12,604,069 km (0.093 R)
• M19: 16,535,950 km (0.113 R)
• M20: 17,805,887 km (0.082 R)
• M21: 20,633,586 km (0.112 R)
• M22: 23,536,831 km (0.098 R)
• M23: 24,813,948 km (0.077 R)
• M24: 25,469,486 km (0.051 R)
• M25: 25,801,444 km (0.079 R)
• M26: 28,921,008 km (0.098 R)
• M27: 30,758,220 km (0.116 R)
• M28: 31,134,758 km (0.077 R)
• M29: 33,326,815 km (0.114 R)
• M30: 35,757,631 km (0.074 R)
• M31: 37,157,718 km (0.1 R)
• M32: 37,442,103 km (0.061 R)
• M33: 42,346,071 km (0.053 R)
• M34: 42,656,337 km (0.056 R)
• M35: 43,281,357 km (0.064 R)
• M36: 50,564,828 km (0.077 R)
• M37: 53,042,917 km (0.075 R)
• M38: 59,590,068 km (0.114 R)
• M39: 60,567,092 km (0.086 R)
• M40: 69,846,797 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.7

Radius: 6

Gravity: 21.99 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.93 AU - 12.33 AU

Year: 22736 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,975,382 km

• M1: 75,547 km (0.099 R)
• M2: 265,536 km (0.102 R)
• M3: 598,541 km (0.096 R)
• M4: 1,038,359 km (0.04 R)
• M5: 1,515,576 km (0.101 R)
• M6: 1,728,753 km (0.106 R)
• M7: 2,688,573 km (0.084 R)
• M8: 3,283,524 km (0.039 R)
• M9: 3,612,190 km (0.078 R)
• M10: 3,929,637 km (0.105 R)
• M11: 5,349,321 km (0.111 R)
• M12: 5,636,249 km (0.116 R)
• M13: 7,477,201 km (0.114 R)
• M14: 7,993,463 km (0.046 R)
• M15: 8,699,715 km (0.059 R)
• M16: 9,805,841 km (0.101 R)
• M17: 10,111,769 km (0.071 R)
• M18: 14,690,960 km (0.056 R)
• M19: 15,831,643 km (0.107 R)
• M20: 22,855,114 km (0.097 R)
• M21: 23,829,744 km (0.088 R)
• M22: 25,286,079 km (0.098 R)
• M23: 29,373,542 km (0.119 R)
• M24: 31,046,196 km (0.105 R)
• M25: 31,573,229 km (0.072 R)
• M26: 33,603,422 km (0.12 R)
• M27: 36,882,757 km (0.083 R)
• M28: 38,979,820 km (0.115 R)
• M29: 41,791,212 km (0.103 R)
• M30: 44,069,139 km (0.113 R)
• M31: 47,639,143 km (0.098 R)
• M32: 50,666,704 km (0.082 R)
• M33: 52,320,359 km (0.108 R)
• M34: 54,963,604 km (0.111 R)
• M35: 55,541,351 km (0.086 R)
• M36: 59,093,403 km (0.07 R)
• M37: 61,336,922 km (0.097 R)
• M38: 63,425,308 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 14,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit