🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 13.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 7.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,694,609 km

• M1: 167,849 km (0.039 R)
• M2: 1,463,217 km (0.089 R)
• M3: 2,045,601 km (0.04 R)
• M4: 2,484,073 km (0.114 R)
• M5: 3,072,740 km (0.117 R)
• M6: 3,533,801 km (0.106 R)
• M7: 4,041,237 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.9

Radius: 11.4

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.57 AU - 0.95 AU

Year: 449 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,694,609 km

• M1: 141,819 km (0.076 R)
• M2: 515,065 km (0.066 R)
• M3: 993,479 km (0.075 R)
• M4: 1,788,891 km (0.068 R)
• M5: 2,415,258 km (0.067 R)
• M6: 2,855,973 km (0.066 R)
• M7: 4,373,943 km (0.045 R)
• M8: 5,018,410 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.7

Radius: 11.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.14 AU - 1.78 AU

Year: 1197 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,694,609 km

• M1: 144,362 km (0.037 R)
• M2: 568,023 km (0.104 R)
• M3: 1,821,504 km (0.093 R)
• M4: 2,620,207 km (0.06 R)
• M5: 3,259,289 km (0.086 R)
• M6: 4,350,007 km (0.068 R)
• M7: 5,526,893 km (0.09 R)
• M8: 6,355,366 km (0.12 R)
• M9: 8,099,977 km (0.094 R)
• M10: 8,554,754 km (0.109 R)
• M11: 10,113,564 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 14.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.86 AU - 2.18 AU

Year: 1947 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,694,609 km

• M1: 184,005 km (0.1 R)
• M2: 755,918 km (0.09 R)
• M3: 1,493,884 km (0.076 R)
• M4: 2,038,271 km (0.098 R)
• M5: 3,509,416 km (0.102 R)
• M6: 4,234,218 km (0.062 R)
• M7: 4,956,327 km (0.088 R)
• M8: 5,432,647 km (0.109 R)
• M9: 6,672,813 km (0.099 R)
• M10: 7,626,649 km (0.117 R)
• M11: 10,730,057 km (0.095 R)
• M12: 11,354,329 km (0.088 R)
• M13: 12,675,727 km (0.094 R)
• M14: 13,255,718 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.7

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.16 AU - 2.96 AU

Year: 2778 Days

Day: 14.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,694,609 km

• M1: 165,455 km (0.094 R)
• M2: 588,069 km (0.036 R)
• M3: 1,273,826 km (0.091 R)
• M4: 2,883,798 km (0.098 R)
• M5: 4,597,442 km (0.114 R)
• M6: 5,048,479 km (0.107 R)
• M7: 5,581,497 km (0.087 R)
• M8: 7,095,876 km (0.043 R)
• M9: 8,941,315 km (0.076 R)
• M10: 10,431,160 km (0.084 R)
• M11: 13,849,472 km (0.099 R)
• M12: 14,744,965 km (0.119 R)
• M13: 15,945,188 km (0.082 R)
• M14: 17,549,925 km (0.093 R)
• M15: 19,320,715 km (0.093 R)
• M16: 21,929,851 km (0.111 R)
• M17: 23,008,901 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 12.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.3 AU - 3.44 AU

Year: 3298 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,694,609 km

• M1: 150,645 km (0.09 R)
• M2: 589,116 km (0.073 R)
• M3: 1,005,298 km (0.095 R)
• M4: 1,739,823 km (0.116 R)
• M5: 2,341,805 km (0.115 R)
• M6: 3,522,731 km (0.063 R)
• M7: 5,041,448 km (0.07 R)
• M8: 5,422,624 km (0.1 R)
• M9: 7,020,628 km (0.1 R)
• M10: 7,996,006 km (0.088 R)
• M11: 9,396,541 km (0.051 R)
• M12: 10,580,609 km (0.038 R)
• M13: 11,423,593 km (0.078 R)
• M14: 12,129,844 km (0.076 R)
• M15: 14,222,569 km (0.082 R)
• M16: 15,040,121 km (0.075 R)
• M17: 15,566,855 km (0.116 R)
• M18: 16,160,460 km (0.112 R)
• M19: 16,825,123 km (0.111 R)
• M20: 19,605,549 km (0.082 R)
• M21: 21,006,832 km (0.05 R)
• M22: 23,093,124 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 8.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.25 AU - 3.75 AU

Year: 3524 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,694,609 km

• M1: 105,766 km (0.115 R)
• M2: 375,191 km (0.063 R)
• M3: 933,192 km (0.076 R)
• M4: 1,284,896 km (0.104 R)
• M5: 1,657,544 km (0.113 R)
• M6: 2,331,034 km (0.12 R)
• M7: 3,038,931 km (0.111 R)
• M8: 3,922,905 km (0.112 R)
• M9: 6,081,303 km (0.101 R)
• M10: 7,138,661 km (0.074 R)
• M11: 7,695,314 km (0.106 R)
• M12: 8,180,909 km (0.066 R)
• M13: 10,801,864 km (0.098 R)
• M14: 12,565,024 km (0.088 R)
• M15: 13,011,574 km (0.109 R)
• M16: 13,376,294 km (0.067 R)
• M17: 14,078,656 km (0.105 R)
• M18: 15,659,157 km (0.092 R)
• M19: 16,281,185 km (0.067 R)
• M20: 16,758,552 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 9.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.63 AU - 4.09 AU

Year: 4177 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,694,609 km

• M1: 116,986 km (0.112 R)
• M2: 479,461 km (0.118 R)
• M3: 823,536 km (0.074 R)
• M4: 1,354,609 km (0.119 R)
• M5: 1,698,833 km (0.085 R)
• M6: 2,038,421 km (0.104 R)
• M7: 2,381,449 km (0.087 R)
• M8: 3,219,496 km (0.106 R)
• M9: 4,346,865 km (0.091 R)
• M10: 4,783,392 km (0.047 R)
• M11: 5,106,224 km (0.063 R)
• M12: 6,325,297 km (0.074 R)
• M13: 6,829,292 km (0.117 R)
• M14: 7,854,038 km (0.067 R)
• M15: 8,840,636 km (0.11 R)
• M16: 9,651,456 km (0.112 R)
• M17: 9,981,918 km (0.101 R)
• M18: 11,018,781 km (0.088 R)
• M19: 11,461,291 km (0.085 R)
• M20: 12,554,253 km (0.115 R)
• M21: 13,853,810 km (0.111 R)
• M22: 14,946,622 km (0.076 R)
• M23: 16,301,530 km (0.075 R)
• M24: 17,035,607 km (0.079 R)
• M25: 19,254,144 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.9

Radius: 6.9

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.37 AU - 9.89 AU

Year: 17195 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,694,609 km

• M1: 86,617 km (0.065 R)
• M2: 466,745 km (0.11 R)
• M3: 690,843 km (0.116 R)
• M4: 1,011,730 km (0.12 R)
• M5: 1,247,347 km (0.109 R)
• M6: 1,976,188 km (0.061 R)
• M7: 3,262,730 km (0.07 R)
• M8: 4,112,146 km (0.111 R)
• M9: 4,458,017 km (0.041 R)
• M10: 5,316,409 km (0.081 R)
• M11: 5,689,057 km (0.063 R)
• M12: 6,612,226 km (0.09 R)
• M13: 8,009,620 km (0.087 R)
• M14: 14,987,762 km (0.076 R)
• M15: 19,211,807 km (0.082 R)
• M16: 19,911,477 km (0.091 R)
• M17: 22,494,284 km (0.095 R)
• M18: 35,975,595 km (0.09 R)
• M19: 36,503,975 km (0.077 R)
• M20: 37,711,828 km (0.1 R)
• M21: 40,207,121 km (0.047 R)
• M22: 41,206,584 km (0.105 R)
• M23: 41,495,158 km (0.107 R)
• M24: 42,515,715 km (0.087 R)
• M25: 43,106,477 km (0.104 R)
• M26: 60,266,549 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.4

Radius: 7.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.49 AU - 9.93 AU

Year: 17435 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,694,609 km

• M1: 95,743 km (0.044 R)
• M2: 357,539 km (0.101 R)
• M3: 624,571 km (0.111 R)
• M4: 936,333 km (0.045 R)
• M5: 1,212,491 km (0.089 R)
• M6: 1,661,584 km (0.069 R)
• M7: 2,072,080 km (0.111 R)
• M8: 2,715,949 km (0.12 R)
• M9: 3,119,714 km (0.097 R)
• M10: 4,484,196 km (0.089 R)
• M11: 5,315,212 km (0.097 R)
• M12: 6,990,260 km (0.072 R)
• M13: 8,798,150 km (0.075 R)
• M14: 11,286,561 km (0.028 R)
• M15: 13,060,044 km (0.079 R)
• M16: 14,012,982 km (0.105 R)
• M17: 16,199,654 km (0.087 R)
• M18: 17,828,775 km (0.066 R)
• M19: 21,236,914 km (0.112 R)
• M20: 28,048,404 km (0.039 R)
• M21: 29,630,252 km (0.062 R)
• M22: 35,211,748 km (0.091 R)
• M23: 36,430,971 km (0.115 R)
• M24: 37,051,054 km (0.102 R)
• M25: 37,301,032 km (0.107 R)
• M26: 38,567,977 km (0.099 R)
• M27: 43,227,950 km (0.12 R)
• M28: 47,952,849 km (0.117 R)
• M29: 49,298,782 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit