🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.8

Radius: 12

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.16 AU

Year: 570 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,896,451 km

• M1: 149,299 km (0.041 R)
• M2: 663,915 km (0.091 R)
• M3: 1,050,476 km (0.12 R)
• M4: 1,453,643 km (0.105 R)
• M5: 1,999,076 km (0.104 R)
• M6: 3,675,769 km (0.11 R)
• M7: 4,551,814 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 11.4

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.04 AU - 1.62 AU

Year: 975 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,896,451 km

• M1: 141,819 km (0.073 R)
• M2: 512,373 km (0.108 R)
• M3: 1,285,644 km (0.068 R)
• M4: 1,950,158 km (0.056 R)
• M5: 2,504,268 km (0.057 R)
• M6: 3,487,276 km (0.066 R)
• M7: 4,091,801 km (0.115 R)
• M8: 4,747,040 km (0.034 R)
• M9: 5,734,984 km (0.119 R)
• M10: 6,136,355 km (0.052 R)
• M11: 6,948,671 km (0.038 R)
• M12: 7,356,475 km (0.091 R)
• M13: 7,729,572 km (0.105 R)
• M14: 10,302,506 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 14.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.49 AU - 1.73 AU

Year: 1299 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,896,451 km

• M1: 177,124 km (0.113 R)
• M2: 667,506 km (0.044 R)
• M3: 1,193,791 km (0.095 R)
• M4: 1,720,675 km (0.052 R)
• M5: 2,307,846 km (0.114 R)
• M6: 2,942,291 km (0.054 R)
• M7: 3,418,012 km (0.047 R)
• M8: 4,050,213 km (0.058 R)
• M9: 5,186,558 km (0.069 R)
• M10: 6,094,767 km (0.029 R)
• M11: 6,799,373 km (0.102 R)
• M12: 7,476,752 km (0.081 R)
• M13: 7,971,771 km (0.088 R)
• M14: 9,590,271 km (0.095 R)
• M15: 10,309,088 km (0.096 R)
• M16: 12,567,867 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 9.6

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.38 AU - 2.62 AU

Year: 2513 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,896,451 km

• M1: 119,379 km (0.094 R)
• M2: 458,966 km (0.104 R)
• M3: 763,248 km (0.114 R)
• M4: 1,227,002 km (0.086 R)
• M5: 1,530,087 km (0.087 R)
• M6: 2,013,887 km (0.115 R)
• M7: 2,655,661 km (0.107 R)
• M8: 3,171,924 km (0.105 R)
• M9: 5,153,796 km (0.084 R)
• M10: 5,485,604 km (0.095 R)
• M11: 5,806,492 km (0.102 R)
• M12: 6,733,400 km (0.103 R)
• M13: 7,453,864 km (0.084 R)
• M14: 9,014,020 km (0.055 R)
• M15: 10,973,303 km (0.071 R)
• M16: 11,970,373 km (0.078 R)
• M17: 12,983,150 km (0.113 R)
• M18: 13,734,581 km (0.113 R)
• M19: 14,796,725 km (0.084 R)
• M20: 17,188,795 km (0.089 R)
• M21: 17,986,302 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 13.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.43 AU - 4.87 AU

Year: 5375 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,896,451 km

• M1: 169,644 km (0.085 R)
• M2: 696,677 km (0.092 R)
• M3: 1,381,985 km (0.057 R)
• M4: 1,942,229 km (0.067 R)
• M5: 2,426,328 km (0.092 R)
• M6: 3,233,109 km (0.074 R)
• M7: 3,757,450 km (0.09 R)
• M8: 4,544,933 km (0.092 R)
• M9: 5,529,586 km (0.112 R)
• M10: 6,686,277 km (0.109 R)
• M11: 7,285,865 km (0.051 R)
• M12: 7,998,250 km (0.074 R)
• M13: 10,233,242 km (0.06 R)
• M14: 12,176,219 km (0.069 R)
• M15: 12,645,358 km (0.087 R)
• M16: 14,297,069 km (0.107 R)
• M17: 15,475,451 km (0.103 R)
• M18: 18,430,458 km (0.116 R)
• M19: 19,754,249 km (0.05 R)
• M20: 21,743,303 km (0.113 R)
• M21: 23,062,157 km (0.079 R)
• M22: 23,781,723 km (0.066 R)
• M23: 27,964,779 km (0.034 R)
• M24: 30,658,887 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 8.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.53 AU - 5.51 AU

Year: 6110 Days

Day: 9.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,896,451 km

• M1: 108,309 km (0.074 R)
• M2: 453,581 km (0.06 R)
• M3: 914,342 km (0.114 R)
• M4: 1,751,342 km (0.118 R)
• M5: 2,703,682 km (0.097 R)
• M6: 2,975,352 km (0.092 R)
• M7: 3,246,872 km (0.052 R)
• M8: 3,840,177 km (0.106 R)
• M9: 4,480,456 km (0.103 R)
• M10: 6,678,348 km (0.055 R)
• M11: 7,438,156 km (0.059 R)
• M12: 7,907,295 km (0.061 R)
• M13: 8,647,804 km (0.11 R)
• M14: 10,266,902 km (0.114 R)
• M15: 10,806,501 km (0.086 R)
• M16: 14,969,661 km (0.119 R)
• M17: 15,881,460 km (0.099 R)
• M18: 16,490,921 km (0.094 R)
• M19: 17,001,050 km (0.096 R)
• M20: 19,396,710 km (0.12 R)
• M21: 21,334,900 km (0.089 R)
• M22: 21,872,854 km (0.076 R)
• M23: 23,398,902 km (0.106 R)
• M24: 23,683,736 km (0.04 R)
• M25: 24,406,145 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.4

Radius: 5.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.56 AU - 6.94 AU

Year: 11150 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,896,451 km

• M1: 86,019 km (0.109 R)
• M2: 1,133,353 km (0.111 R)
• M3: 1,604,587 km (0.086 R)
• M4: 1,972,149 km (0.067 R)
• M5: 4,531,020 km (0.087 R)
• M6: 5,028,134 km (0.085 R)
• M7: 6,582,606 km (0.063 R)
• M8: 11,884,354 km (0.09 R)
• M9: 16,007,122 km (0.11 R)
• M10: 22,435,342 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.4

Radius: 7.7

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.22 AU - 8.72 AU

Year: 14306 Days

Day: 15.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,896,451 km

• M1: 95,743 km (0.079 R)
• M2: 378,931 km (0.111 R)
• M3: 661,073 km (0.085 R)
• M4: 971,040 km (0.062 R)
• M5: 1,349,074 km (0.102 R)
• M6: 1,621,192 km (0.067 R)
• M7: 2,510,701 km (0.062 R)
• M8: 3,523,927 km (0.084 R)
• M9: 4,719,065 km (0.112 R)
• M10: 5,577,308 km (0.104 R)
• M11: 6,451,707 km (0.116 R)
• M12: 6,791,444 km (0.098 R)
• M13: 8,621,325 km (0.067 R)
• M14: 8,981,557 km (0.095 R)
• M15: 9,513,527 km (0.057 R)
• M16: 10,293,231 km (0.091 R)
• M17: 10,994,995 km (0.101 R)
• M18: 11,541,775 km (0.095 R)
• M19: 18,553,278 km (0.081 R)
• M20: 21,782,647 km (0.089 R)
• M21: 23,430,318 km (0.07 R)
• M22: 24,233,808 km (0.036 R)
• M23: 25,473,077 km (0.112 R)
• M24: 26,108,419 km (0.088 R)
• M25: 27,631,774 km (0.113 R)
• M26: 31,455,346 km (0.117 R)
• M27: 32,556,386 km (0.101 R)
• M28: 34,705,659 km (0.111 R)
• M29: 35,224,763 km (0.116 R)
• M30: 36,947,832 km (0.074 R)
• M31: 38,726,251 km (0.06 R)
• M32: 40,561,069 km (0.104 R)
• M33: 49,456,009 km (0.05 R)
• M34: 60,686,171 km (0.115 R)
• M35: 62,773,062 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.2

Radius: 7.5

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.18 AU - 12.18 AU

Year: 23768 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,896,451 km

• M1: 93,349 km (0.102 R)
• M2: 492,925 km (0.113 R)
• M3: 1,548,637 km (0.112 R)
• M4: 2,010,147 km (0.114 R)
• M5: 3,735,459 km (0.116 R)
• M6: 4,086,715 km (0.101 R)
• M7: 4,601,032 km (0.056 R)
• M8: 6,539,821 km (0.092 R)
• M9: 7,340,917 km (0.094 R)
• M10: 8,048,365 km (0.11 R)
• M11: 9,775,473 km (0.048 R)
• M12: 10,948,470 km (0.107 R)
• M13: 11,535,641 km (0.03 R)
• M14: 14,869,729 km (0.108 R)
• M15: 15,347,246 km (0.088 R)
• M16: 18,248,397 km (0.109 R)
• M17: 19,073,429 km (0.098 R)
• M18: 21,395,188 km (0.117 R)
• M19: 23,043,607 km (0.097 R)
• M20: 26,824,544 km (0.083 R)
• M21: 27,890,429 km (0.039 R)
• M22: 28,131,132 km (0.116 R)
• M23: 28,616,726 km (0.03 R)
• M24: 36,298,577 km (0.035 R)
• M25: 46,251,174 km (0.116 R)
• M26: 50,408,199 km (0.053 R)
• M27: 60,456,838 km (0.089 R)
• M28: 61,876,222 km (0.111 R)
• M29: 63,110,555 km (0.076 R)
• M30: 64,781,563 km (0.095 R)
• M31: 65,840,865 km (0.097 R)
• M32: 78,744,878 km (0.072 R)
• M33: 81,169,710 km (0.04 R)
• M34: 82,896,518 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit