🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 8

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.77 AU

Year: 448 Days

Day: 12 Hours

Environment

Temp: -158 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,911,049 km

• M1: 99,483 km (0.079 R)
• M2: 394,041 km (0.118 R)
• M3: 669,600 km (0.053 R)
• M4: 1,038,658 km (0.065 R)
• M5: 1,383,182 km (0.12 R)
• M6: 1,668,016 km (0.118 R)
• M7: 2,087,638 km (0.105 R)
• M8: 2,642,347 km (0.097 R)
• M9: 3,064,213 km (0.048 R)
• M10: 3,313,742 km (0.076 R)
• M11: 3,659,912 km (0.117 R)
• M12: 4,094,195 km (0.084 R)
• M13: 4,438,718 km (0.108 R)
• M14: 4,802,540 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 11.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.68 AU - 1.02 AU

Year: 541 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,911,049 km

• M1: 139,575 km (0.107 R)
• M2: 591,809 km (0.069 R)
• M3: 1,015,770 km (0.108 R)
• M4: 1,603,988 km (0.087 R)
• M5: 2,054,128 km (0.069 R)
• M6: 2,512,047 km (0.114 R)
• M7: 2,941,543 km (0.089 R)
• M8: 3,647,645 km (0.06 R)
• M9: 4,134,137 km (0.078 R)
• M10: 4,840,239 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.2

Radius: 9.9

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.9 AU - 0.98 AU

Year: 629 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,911,049 km

• M1: 123,418 km (0.099 R)
• M2: 443,707 km (0.102 R)
• M3: 828,323 km (0.044 R)
• M4: 1,172,997 km (0.099 R)
• M5: 1,528,890 km (0.08 R)
• M6: 1,894,059 km (0.102 R)
• M7: 2,641,749 km (0.047 R)
• M8: 3,290,106 km (0.092 R)
• M9: 3,803,077 km (0.108 R)
• M10: 4,132,791 km (0.108 R)
• M11: 4,954,382 km (0.104 R)
• M12: 6,427,622 km (0.102 R)
• M13: 6,853,976 km (0.083 R)
• M14: 7,208,523 km (0.041 R)
• M15: 7,575,337 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 10

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.96 AU - 1.58 AU

Year: 988 Days

Day: 12.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,911,049 km

• M1: 124,465 km (0.075 R)
• M2: 547,379 km (0.111 R)
• M3: 884,123 km (0.044 R)
• M4: 2,075,670 km (0.109 R)
• M5: 2,701,289 km (0.031 R)
• M6: 3,343,961 km (0.077 R)
• M7: 4,799,997 km (0.029 R)
• M8: 7,370,837 km (0.119 R)
• M9: 7,730,021 km (0.083 R)
• M10: 8,101,024 km (0.091 R)
• M11: 8,651,544 km (0.087 R)
• M12: 9,919,835 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 9.8

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.06 AU - 2.52 AU

Year: 2392 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,911,049 km

• M1: 121,922 km (0.072 R)
• M2: 439,818 km (0.116 R)
• M3: 902,524 km (0.035 R)
• M4: 2,627,537 km (0.09 R)
• M5: 3,286,665 km (0.095 R)
• M6: 3,671,581 km (0.074 R)
• M7: 4,035,103 km (0.092 R)
• M8: 7,684,992 km (0.094 R)
• M9: 9,296,760 km (0.082 R)
• M10: 11,156,560 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 9.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.76 AU - 2.9 AU

Year: 2455 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,911,049 km

• M1: 123,119 km (0.04 R)
• M2: 496,964 km (0.061 R)
• M3: 882,478 km (0.074 R)
• M4: 1,426,864 km (0.114 R)
• M5: 1,737,130 km (0.036 R)
• M6: 3,466,332 km (0.1 R)
• M7: 5,173,244 km (0.099 R)
• M8: 5,714,639 km (0.039 R)
• M9: 6,080,555 km (0.073 R)
• M10: 7,273,897 km (0.098 R)
• M11: 7,622,460 km (0.103 R)
• M12: 7,982,094 km (0.1 R)
• M13: 8,353,096 km (0.059 R)
• M14: 9,759,466 km (0.092 R)
• M15: 10,620,850 km (0.117 R)
• M16: 11,859,521 km (0.102 R)
• M17: 12,456,865 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 8.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.6 AU - 2.62 AU

Year: 2911 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,911,049 km

• M1: 116,986 km (0.104 R)
• M2: 469,438 km (0.045 R)
• M3: 773,720 km (0.062 R)
• M4: 1,087,277 km (0.046 R)
• M5: 2,893,821 km (0.081 R)
• M6: 6,215,941 km (0.116 R)
• M7: 8,458,264 km (0.082 R)
• M8: 9,598,798 km (0.102 R)
• M9: 10,734,246 km (0.118 R)
• M10: 11,919,659 km (0.119 R)
• M11: 12,181,904 km (0.091 R)
• M12: 12,524,783 km (0.07 R)
• M13: 13,632,854 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 9.7

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.99 AU - 3.81 AU

Year: 4327 Days

Day: 7.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,911,049 km

• M1: 120,725 km (0.097 R)
• M2: 720,763 km (0.065 R)
• M3: 1,073,664 km (0.112 R)
• M4: 2,494,993 km (0.118 R)
• M5: 3,327,505 km (0.056 R)
• M6: 4,288,373 km (0.079 R)
• M7: 4,671,343 km (0.051 R)
• M8: 6,018,023 km (0.092 R)
• M9: 6,468,313 km (0.111 R)
• M10: 9,618,993 km (0.05 R)
• M11: 10,319,710 km (0.119 R)
• M12: 10,921,991 km (0.107 R)
• M13: 11,276,687 km (0.103 R)
• M14: 13,823,591 km (0.12 R)
• M15: 14,769,499 km (0.112 R)
• M16: 15,148,879 km (0.086 R)
• M17: 15,814,290 km (0.103 R)
• M18: 16,211,323 km (0.062 R)
• M19: 16,556,894 km (0.114 R)
• M20: 19,566,354 km (0.092 R)
• M21: 20,090,246 km (0.112 R)
• M22: 21,029,272 km (0.056 R)
• M23: 23,139,649 km (0.032 R)
• M24: 24,396,421 km (0.113 R)
• M25: 26,804,198 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.9

Radius: 5.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.03 AU - 6.59 AU

Year: 9667 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,911,049 km

• M1: 73,901 km (0.057 R)
• M2: 303,384 km (0.084 R)
• M3: 607,068 km (0.106 R)
• M4: 933,940 km (0.107 R)
• M5: 1,138,290 km (0.055 R)
• M6: 1,639,293 km (0.03 R)
• M7: 1,835,865 km (0.102 R)
• M8: 2,619,309 km (0.046 R)
• M9: 3,253,155 km (0.107 R)
• M10: 3,750,269 km (0.066 R)
• M11: 4,205,795 km (0.101 R)
• M12: 5,519,114 km (0.093 R)
• M13: 5,766,699 km (0.104 R)
• M14: 6,050,336 km (0.061 R)
• M15: 7,149,432 km (0.1 R)
• M16: 7,410,630 km (0.097 R)
• M17: 7,848,802 km (0.027 R)
• M18: 8,232,820 km (0.082 R)
• M19: 12,319,385 km (0.073 R)
• M20: 13,224,302 km (0.077 R)
• M21: 16,204,441 km (0.034 R)
• M22: 16,769,772 km (0.077 R)
• M23: 18,240,468 km (0.11 R)
• M24: 19,731,211 km (0.064 R)
• M25: 21,301,390 km (0.074 R)
• M26: 24,173,370 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 16,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit