🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.7

Radius: 11.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,396,610 km

• M1: 138,378 km (0.099 R)
• M2: 507,286 km (0.118 R)
• M3: 862,282 km (0.042 R)
• M4: 1,298,809 km (0.099 R)
• M5: 1,904,231 km (0.032 R)
• M6: 2,301,563 km (0.045 R)
• M7: 2,726,870 km (0.091 R)
• M8: 3,092,487 km (0.106 R)
• M9: 3,480,095 km (0.075 R)
• M10: 4,153,585 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.5

Radius: 8.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.82 AU - 0.88 AU

Year: 523 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,396,610 km

• M1: 103,223 km (0.068 R)
• M2: 361,877 km (0.081 R)
• M3: 638,035 km (0.119 R)
• M4: 912,846 km (0.031 R)
• M5: 1,196,933 km (0.045 R)
• M6: 1,521,410 km (0.1 R)
• M7: 1,881,941 km (0.107 R)
• M8: 2,230,953 km (0.05 R)
• M9: 2,502,473 km (0.064 R)
• M10: 2,845,651 km (0.039 R)
• M11: 3,230,865 km (0.103 R)
• M12: 3,979,603 km (0.064 R)
• M13: 4,381,572 km (0.074 R)
• M14: 4,810,619 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 10.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.26 AU - 1.64 AU

Year: 1164 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,396,610 km

• M1: 135,685 km (0.08 R)
• M2: 524,789 km (0.089 R)
• M3: 1,003,054 km (0.066 R)
• M4: 2,056,672 km (0.054 R)
• M5: 2,469,412 km (0.117 R)
• M6: 3,193,167 km (0.096 R)
• M7: 4,725,647 km (0.07 R)
• M8: 5,156,190 km (0.113 R)
• M9: 5,531,680 km (0.113 R)
• M10: 6,699,741 km (0.094 R)
• M11: 7,123,701 km (0.115 R)
• M12: 7,870,045 km (0.069 R)
• M13: 8,342,325 km (0.108 R)
• M14: 8,917,230 km (0.075 R)
• M15: 9,518,464 km (0.044 R)
• M16: 9,964,265 km (0.053 R)
• M17: 10,486,212 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.9

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.51 AU - 2.33 AU

Year: 1774 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,396,610 km

• M1: 184,005 km (0.04 R)
• M2: 669,750 km (0.111 R)
• M3: 1,561,951 km (0.067 R)
• M4: 3,837,784 km (0.09 R)
• M5: 6,665,333 km (0.106 R)
• M6: 7,272,551 km (0.105 R)
• M7: 7,916,570 km (0.091 R)
• M8: 10,046,395 km (0.077 R)
• M9: 10,633,865 km (0.119 R)
• M10: 11,539,381 km (0.045 R)
• M11: 12,300,386 km (0.097 R)
• M12: 12,892,943 km (0.036 R)
• M13: 13,922,924 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 9.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.17 AU - 2.97 AU

Year: 2747 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,396,610 km

• M1: 113,246 km (0.09 R)
• M2: 674,986 km (0.043 R)
• M3: 1,123,181 km (0.069 R)
• M4: 1,697,337 km (0.12 R)
• M5: 2,455,948 km (0.033 R)
• M6: 2,789,551 km (0.075 R)
• M7: 3,087,700 km (0.104 R)
• M8: 3,566,563 km (0.101 R)
• M9: 4,459,961 km (0.102 R)
• M10: 5,544,097 km (0.056 R)
• M11: 8,035,650 km (0.056 R)
• M12: 10,207,362 km (0.08 R)
• M13: 11,114,224 km (0.098 R)
• M14: 12,197,462 km (0.114 R)
• M15: 15,380,456 km (0.083 R)
• M16: 16,826,469 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 8.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.86 AU - 4.12 AU

Year: 5315 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,396,610 km

• M1: 109,506 km (0.05 R)
• M2: 450,738 km (0.083 R)
• M3: 808,277 km (0.09 R)
• M4: 1,366,128 km (0.095 R)
• M5: 1,863,092 km (0.078 R)
• M6: 2,894,270 km (0.092 R)
• M7: 3,218,149 km (0.113 R)
• M8: 4,242,296 km (0.11 R)
• M9: 5,109,066 km (0.096 R)
• M10: 7,361,861 km (0.104 R)
• M11: 7,750,815 km (0.101 R)
• M12: 9,405,218 km (0.056 R)
• M13: 10,033,978 km (0.118 R)
• M14: 11,657,414 km (0.103 R)
• M15: 12,284,528 km (0.074 R)
• M16: 12,681,561 km (0.111 R)
• M17: 13,658,884 km (0.077 R)
• M18: 14,301,407 km (0.109 R)
• M19: 15,937,409 km (0.109 R)
• M20: 19,376,365 km (0.091 R)
• M21: 20,670,985 km (0.095 R)
• M22: 24,430,080 km (0.062 R)
• M23: 26,841,748 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.6

Radius: 6.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.99 AU - 6.55 AU

Year: 9243 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,396,610 km

• M1: 81,980 km (0.114 R)
• M2: 323,730 km (0.109 R)
• M3: 552,465 km (0.057 R)
• M4: 1,443,171 km (0.079 R)
• M5: 2,274,785 km (0.09 R)
• M6: 2,698,297 km (0.048 R)
• M7: 2,929,126 km (0.066 R)
• M8: 3,390,187 km (0.107 R)
• M9: 3,965,540 km (0.064 R)
• M10: 5,587,181 km (0.056 R)
• M11: 6,735,644 km (0.108 R)
• M12: 6,996,094 km (0.075 R)
• M13: 7,229,467 km (0.074 R)
• M14: 8,551,164 km (0.066 R)
• M15: 9,169,751 km (0.077 R)
• M16: 9,409,257 km (0.085 R)
• M17: 10,846,444 km (0.088 R)
• M18: 11,478,645 km (0.056 R)
• M19: 13,318,399 km (0.088 R)
• M20: 14,148,817 km (0.091 R)
• M21: 14,793,883 km (0.079 R)
• M22: 17,266,885 km (0.048 R)
• M23: 18,003,206 km (0.093 R)
• M24: 19,670,474 km (0.054 R)
• M25: 21,021,044 km (0.12 R)
• M26: 23,234,793 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.4

Radius: 5.1

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.84 AU - 8 AU

Year: 10848 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,396,610 km

• M1: 63,429 km (0.04 R)
• M2: 227,389 km (0.036 R)
• M3: 444,006 km (0.106 R)
• M4: 628,161 km (0.099 R)
• M5: 1,086,829 km (0.111 R)
• M6: 1,841,699 km (0.092 R)
• M7: 2,613,924 km (0.064 R)
• M8: 3,530,211 km (0.116 R)
• M9: 5,681,129 km (0.03 R)
• M10: 6,009,346 km (0.12 R)
• M11: 10,717,042 km (0.107 R)
• M12: 10,882,348 km (0.086 R)
• M13: 12,327,014 km (0.07 R)
• M14: 13,894,800 km (0.095 R)
• M15: 14,896,657 km (0.105 R)
• M16: 15,241,031 km (0.117 R)
• M17: 15,590,791 km (0.056 R)
• M18: 16,745,836 km (0.056 R)
• M19: 19,063,257 km (0.055 R)
• M20: 20,636,577 km (0.111 R)
• M21: 28,319,475 km (0.102 R)
• M22: 29,598,836 km (0.12 R)
• M23: 33,785,482 km (0.073 R)
• M24: 34,141,226 km (0.101 R)
• M25: 35,589,483 km (0.079 R)
• M26: 36,827,106 km (0.114 R)
• M27: 39,126,874 km (0.118 R)
• M28: 40,444,981 km (0.063 R)
• M29: 45,868,802 km (0.086 R)
• M30: 49,132,429 km (0.081 R)
• M31: 51,757,871 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.3

Radius: 5.5

Gravity: 22.26 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.11 AU - 11.11 AU

Year: 18336 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,396,610 km

• M1: 68,366 km (0.093 R)
• M2: 360,531 km (0.072 R)
• M3: 565,330 km (0.113 R)
• M4: 970,591 km (0.111 R)
• M5: 1,169,556 km (0.064 R)
• M6: 1,936,993 km (0.073 R)
• M7: 3,205,882 km (0.063 R)
• M8: 3,982,295 km (0.1 R)
• M9: 6,966,025 km (0.037 R)
• M10: 8,460,059 km (0.064 R)
• M11: 9,641,882 km (0.087 R)
• M12: 11,425,238 km (0.107 R)
• M13: 11,871,040 km (0.059 R)
• M14: 13,985,456 km (0.102 R)
• M15: 19,656,861 km (0.068 R)
• M16: 20,761,940 km (0.083 R)
• M17: 21,234,371 km (0.065 R)
• M18: 21,617,491 km (0.09 R)
• M19: 24,955,767 km (0.096 R)
• M20: 25,813,861 km (0.059 R)
• M21: 31,751,998 km (0.05 R)
• M22: 34,178,326 km (0.108 R)
• M23: 37,975,120 km (0.077 R)
• M24: 38,966,356 km (0.092 R)
• M25: 39,685,024 km (0.06 R)
• M26: 45,754,359 km (0.055 R)
• M27: 47,852,768 km (0.107 R)
• M28: 48,842,508 km (0.063 R)
• M29: 54,531,266 km (0.117 R)
• M30: 65,773,546 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 19,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit