🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 9

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.78 AU - 1.12 AU

Year: 607 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,616,710 km

• M1: 111,899 km (0.109 R)
• M2: 454,927 km (0.119 R)
• M3: 752,178 km (0.083 R)
• M4: 1,110,315 km (0.071 R)
• M5: 1,416,093 km (0.104 R)
• M6: 1,795,623 km (0.092 R)
• M7: 2,095,268 km (0.095 R)
• M8: 2,460,586 km (0.116 R)
• M9: 3,101,313 km (0.061 R)
• M10: 3,564,169 km (0.088 R)
• M11: 4,661,619 km (0.085 R)
• M12: 4,985,648 km (0.047 R)
• M13: 5,288,434 km (0.11 R)
• M14: 5,775,076 km (0.045 R)
• M15: 6,270,993 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 9

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.8 AU - 1.26 AU

Year: 686 Days

Day: 10.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,616,710 km

• M1: 112,049 km (0.089 R)
• M2: 459,864 km (0.081 R)
• M3: 852,857 km (0.089 R)
• M4: 1,178,682 km (0.117 R)
• M5: 1,557,164 km (0.094 R)
• M6: 1,888,972 km (0.114 R)
• M7: 2,267,904 km (0.112 R)
• M8: 2,919,702 km (0.047 R)
• M9: 3,375,526 km (0.11 R)
• M10: 3,834,493 km (0.042 R)
• M11: 4,163,159 km (0.113 R)
• M12: 4,510,825 km (0.104 R)
• M13: 4,843,381 km (0.108 R)
• M14: 5,336,754 km (0.114 R)
• M15: 5,709,403 km (0.118 R)
• M16: 6,119,301 km (0.114 R)
• M17: 7,675,717 km (0.091 R)
• M18: 8,297,745 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 14.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.46 AU - 2.12 AU

Year: 1571 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,616,710 km

• M1: 180,265 km (0.081 R)
• M2: 643,420 km (0.1 R)
• M3: 1,356,853 km (0.037 R)
• M4: 1,909,617 km (0.1 R)
• M5: 2,459,539 km (0.104 R)
• M6: 2,954,857 km (0.101 R)
• M7: 3,566,114 km (0.052 R)
• M8: 4,043,481 km (0.118 R)
• M9: 4,860,584 km (0.074 R)
• M10: 5,740,070 km (0.063 R)
• M11: 7,566,660 km (0.106 R)
• M12: 8,100,126 km (0.093 R)
• M13: 8,658,575 km (0.068 R)
• M14: 9,754,978 km (0.107 R)
• M15: 10,320,009 km (0.057 R)
• M16: 12,959,664 km (0.053 R)
• M17: 13,480,414 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 10.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.72 AU - 2.06 AU

Year: 1705 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,616,710 km

• M1: 130,599 km (0.117 R)
• M2: 625,618 km (0.092 R)
• M3: 1,144,723 km (0.093 R)
• M4: 2,201,632 km (0.037 R)
• M5: 2,538,825 km (0.028 R)
• M6: 3,489,969 km (0.092 R)
• M7: 4,180,064 km (0.075 R)
• M8: 5,267,042 km (0.053 R)
• M9: 5,899,242 km (0.093 R)
• M10: 6,269,348 km (0.117 R)
• M11: 6,654,861 km (0.09 R)
• M12: 8,046,869 km (0.076 R)
• M13: 8,532,015 km (0.091 R)
• M14: 9,097,196 km (0.088 R)
• M15: 9,750,789 km (0.088 R)
• M16: 11,539,681 km (0.111 R)
• M17: 12,606,313 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 12.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.9 AU - 2.56 AU

Year: 2185 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,616,710 km

• M1: 156,928 km (0.046 R)
• M2: 598,092 km (0.053 R)
• M3: 1,089,820 km (0.065 R)
• M4: 1,526,347 km (0.091 R)
• M5: 1,949,559 km (0.037 R)
• M6: 2,376,811 km (0.107 R)
• M7: 3,654,227 km (0.105 R)
• M8: 4,425,554 km (0.084 R)
• M9: 4,860,734 km (0.072 R)
• M10: 5,725,859 km (0.11 R)
• M11: 6,171,511 km (0.104 R)
• M12: 6,896,462 km (0.117 R)
• M13: 7,988,975 km (0.064 R)
• M14: 8,789,324 km (0.116 R)
• M15: 9,577,555 km (0.108 R)
• M16: 11,587,552 km (0.118 R)
• M17: 12,652,689 km (0.119 R)
• M18: 13,740,415 km (0.104 R)
• M19: 14,371,119 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 13.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.08 AU - 3.16 AU

Year: 2782 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,616,710 km

• M1: 177,872 km (0.066 R)
• M2: 597,793 km (0.108 R)
• M3: 1,256,173 km (0.107 R)
• M4: 2,079,410 km (0.085 R)
• M5: 2,538,077 km (0.107 R)
• M6: 3,081,866 km (0.119 R)
• M7: 3,861,121 km (0.034 R)
• M8: 4,495,416 km (0.116 R)
• M9: 4,932,391 km (0.05 R)
• M10: 6,648,279 km (0.055 R)
• M11: 7,156,613 km (0.058 R)
• M12: 9,161,822 km (0.089 R)
• M13: 9,641,433 km (0.058 R)
• M14: 10,333,473 km (0.057 R)
• M15: 12,790,917 km (0.081 R)
• M16: 16,194,717 km (0.112 R)
• M17: 17,173,387 km (0.111 R)
• M18: 19,189,068 km (0.111 R)
• M19: 19,671,073 km (0.103 R)
• M20: 20,596,784 km (0.1 R)
• M21: 21,229,883 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 10.2

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.83 AU - 2.99 AU

Year: 3256 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,616,710 km

• M1: 149,897 km (0.097 R)
• M2: 594,352 km (0.12 R)
• M3: 1,710,652 km (0.118 R)
• M4: 2,497,536 km (0.045 R)
• M5: 3,992,169 km (0.092 R)
• M6: 4,704,105 km (0.109 R)
• M7: 5,215,879 km (0.097 R)
• M8: 5,900,589 km (0.08 R)
• M9: 7,808,261 km (0.111 R)
• M10: 10,741,426 km (0.07 R)
• M11: 15,469,467 km (0.098 R)
• M12: 16,657,424 km (0.062 R)
• M13: 17,847,176 km (0.062 R)
• M14: 18,851,127 km (0.111 R)
• M15: 19,892,328 km (0.064 R)
• M16: 21,296,005 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 14.9

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.24 AU - 5.2 AU

Year: 6727 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,616,710 km

• M1: 185,352 km (0.115 R)
• M2: 912,397 km (0.119 R)
• M3: 1,437,037 km (0.085 R)
• M4: 1,948,662 km (0.099 R)
• M5: 2,971,911 km (0.086 R)
• M6: 4,069,660 km (0.081 R)
• M7: 5,392,405 km (0.039 R)
• M8: 6,069,335 km (0.098 R)
• M9: 7,791,805 km (0.045 R)
• M10: 10,295,026 km (0.079 R)
• M11: 12,675,128 km (0.05 R)
• M12: 19,078,366 km (0.093 R)
• M13: 20,119,567 km (0.112 R)
• M14: 21,119,928 km (0.11 R)
• M15: 25,456,022 km (0.112 R)
• M16: 26,809,434 km (0.098 R)
• M17: 30,054,511 km (0.101 R)
• M18: 32,706,582 km (0.105 R)
• M19: 39,654,057 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 19,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit