🌌 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: 351.9

Radius: 13.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.67 AU - 0.83 AU

Year: 426 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,654,160 km

• M1: 165,605 km (0.114 R)
• M2: 750,682 km (0.099 R)
• M3: 1,284,298 km (0.077 R)
• M4: 1,937,442 km (0.034 R)
• M5: 2,375,913 km (0.073 R)
• M6: 2,891,278 km (0.119 R)
• M7: 3,350,244 km (0.043 R)
• M8: 3,953,872 km (0.085 R)
• M9: 4,482,999 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.9

Radius: 9.2

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.79 AU - 0.87 AU

Year: 496 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,654,160 km

• M1: 114,442 km (0.119 R)
• M2: 462,706 km (0.084 R)
• M3: 889,210 km (0.092 R)
• M4: 1,262,307 km (0.052 R)
• M5: 1,605,933 km (0.082 R)
• M6: 1,904,530 km (0.056 R)
• M7: 2,195,199 km (0.096 R)
• M8: 2,595,673 km (0.078 R)
• M9: 2,944,086 km (0.064 R)
• M10: 3,359,819 km (0.085 R)
• M11: 4,029,419 km (0.113 R)
• M12: 4,484,047 km (0.06 R)
• M13: 5,004,198 km (0.111 R)
• M14: 5,598,252 km (0.082 R)
• M15: 6,002,016 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 10.4

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.45 AU - 1.99 AU

Year: 1480 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,654,160 km

• M1: 129,402 km (0.051 R)
• M2: 529,726 km (0.091 R)
• M3: 1,313,769 km (0.105 R)
• M4: 2,592,382 km (0.068 R)
• M5: 3,032,498 km (0.078 R)
• M6: 3,410,831 km (0.12 R)
• M7: 4,468,339 km (0.074 R)
• M8: 5,042,346 km (0.103 R)
• M9: 5,664,673 km (0.097 R)
• M10: 6,337,564 km (0.075 R)
• M11: 8,238,804 km (0.095 R)
• M12: 10,629,677 km (0.086 R)
• M13: 13,529,781 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 14.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.01 AU - 2.35 AU

Year: 2112 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,654,160 km

• M1: 185,501 km (0.095 R)
• M2: 694,433 km (0.05 R)
• M3: 1,173,894 km (0.067 R)
• M4: 1,684,322 km (0.105 R)
• M5: 2,492,151 km (0.113 R)
• M6: 3,177,309 km (0.039 R)
• M7: 3,799,337 km (0.097 R)
• M8: 5,152,899 km (0.106 R)
• M9: 6,590,385 km (0.067 R)
• M10: 7,520,135 km (0.117 R)
• M11: 8,001,691 km (0.081 R)
• M12: 9,026,885 km (0.109 R)
• M13: 11,222,234 km (0.106 R)
• M14: 12,632,194 km (0.116 R)
• M15: 13,842,889 km (0.1 R)
• M16: 15,272,147 km (0.09 R)
• M17: 16,494,960 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 11

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.79 AU - 2.97 AU

Year: 3206 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,654,160 km

• M1: 136,882 km (0.119 R)
• M2: 561,590 km (0.106 R)
• M3: 975,827 km (0.085 R)
• M4: 1,345,483 km (0.037 R)
• M5: 1,918,293 km (0.074 R)
• M6: 2,789,252 km (0.067 R)
• M7: 4,028,072 km (0.068 R)
• M8: 5,551,278 km (0.099 R)
• M9: 5,999,323 km (0.067 R)
• M10: 6,938,349 km (0.094 R)
• M11: 8,038,492 km (0.098 R)
• M12: 9,507,842 km (0.097 R)
• M13: 11,314,386 km (0.048 R)
• M14: 12,925,555 km (0.099 R)
• M15: 13,809,828 km (0.119 R)
• M16: 15,595,578 km (0.114 R)
• M17: 17,586,127 km (0.082 R)
• M18: 18,439,583 km (0.087 R)
• M19: 19,559,772 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 12.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.39 AU - 4.25 AU

Year: 4898 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,654,160 km

• M1: 154,235 km (0.07 R)
• M2: 1,000,361 km (0.119 R)
• M3: 1,567,935 km (0.119 R)
• M4: 2,495,292 km (0.044 R)
• M5: 3,065,859 km (0.114 R)
• M6: 4,284,483 km (0.099 R)
• M7: 4,705,003 km (0.1 R)
• M8: 5,483,510 km (0.063 R)
• M9: 6,135,457 km (0.079 R)
• M10: 7,065,358 km (0.102 R)
• M11: 7,594,486 km (0.106 R)
• M12: 8,502,694 km (0.097 R)
• M13: 11,866,851 km (0.09 R)
• M14: 12,616,037 km (0.116 R)
• M15: 16,031,506 km (0.045 R)
• M16: 16,895,584 km (0.093 R)
• M17: 17,312,812 km (0.063 R)
• M18: 17,790,328 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 13.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.72 AU - 4.38 AU

Year: 5347 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,654,160 km

• M1: 171,589 km (0.056 R)
• M2: 667,805 km (0.103 R)
• M3: 1,112,859 km (0.07 R)
• M4: 2,430,068 km (0.057 R)
• M5: 3,379,416 km (0.104 R)
• M6: 3,928,889 km (0.1 R)
• M7: 4,537,752 km (0.083 R)
• M8: 6,852,630 km (0.112 R)
• M9: 7,628,295 km (0.05 R)
• M10: 8,113,590 km (0.098 R)
• M11: 8,619,530 km (0.095 R)
• M12: 10,131,815 km (0.112 R)
• M13: 11,618,967 km (0.039 R)
• M14: 13,353,704 km (0.109 R)
• M15: 13,785,893 km (0.102 R)
• M16: 16,332,497 km (0.037 R)
• M17: 18,042,251 km (0.113 R)
• M18: 20,575,392 km (0.081 R)
• M19: 21,741,059 km (0.08 R)
• M20: 22,264,651 km (0.105 R)
• M21: 22,720,177 km (0.066 R)
• M22: 25,420,119 km (0.074 R)
• M23: 26,337,603 km (0.082 R)
• M24: 27,018,722 km (0.116 R)
• M25: 27,798,875 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.1

Radius: 5.7

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.54 AU - 6.4 AU

Year: 9569 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,654,160 km

• M1: 70,909 km (0.092 R)
• M2: 288,873 km (0.03 R)
• M3: 819,348 km (0.091 R)
• M4: 1,189,752 km (0.062 R)
• M5: 1,498,971 km (0.12 R)
• M6: 1,680,283 km (0.085 R)
• M7: 1,939,536 km (0.093 R)
• M8: 2,225,268 km (0.072 R)
• M9: 2,636,363 km (0.043 R)
• M10: 2,818,573 km (0.048 R)
• M11: 3,074,685 km (0.062 R)
• M12: 3,885,655 km (0.074 R)
• M13: 4,313,056 km (0.12 R)
• M14: 4,981,759 km (0.098 R)
• M15: 6,305,700 km (0.108 R)
• M16: 7,441,297 km (0.065 R)
• M17: 9,437,830 km (0.119 R)
• M18: 9,674,345 km (0.065 R)
• M19: 10,711,357 km (0.11 R)
• M20: 12,095,287 km (0.072 R)
• M21: 12,657,925 km (0.106 R)
• M22: 12,887,857 km (0.057 R)
• M23: 14,079,404 km (0.041 R)
• M24: 16,542,383 km (0.114 R)
• M25: 18,531,287 km (0.095 R)
• M26: 24,189,377 km (0.097 R)
• M27: 24,632,636 km (0.079 R)
• M28: 25,535,609 km (0.089 R)
• M29: 28,969,029 km (0.08 R)
• M30: 31,526,405 km (0.106 R)
• M31: 35,467,710 km (0.039 R)
• M32: 39,236,230 km (0.04 R)
• M33: 41,216,757 km (0.056 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: 189 - 10,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit