🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.5

Radius: 8.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.6 AU - 0.84 AU

Year: 407 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,668,075 km

• M1: 108,159 km (0.049 R)
• M2: 453,132 km (0.102 R)
• M3: 790,475 km (0.053 R)
• M4: 1,138,889 km (0.077 R)
• M5: 1,933,104 km (0.064 R)
• M6: 2,268,053 km (0.093 R)
• M7: 2,632,623 km (0.071 R)
• M8: 3,158,759 km (0.045 R)
• M9: 3,753,411 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 9.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.35 AU - 1.49 AU

Year: 1128 Days

Day: 8.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 122 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,668,075 km

• M1: 116,836 km (0.066 R)
• M2: 457,171 km (0.073 R)
• M3: 905,965 km (0.11 R)
• M4: 1,239,568 km (0.046 R)
• M5: 1,619,995 km (0.093 R)
• M6: 1,923,081 km (0.114 R)
• M7: 2,509,953 km (0.112 R)
• M8: 3,112,234 km (0.12 R)
• M9: 3,463,191 km (0.085 R)
• M10: 4,421,963 km (0.078 R)
• M11: 6,383,790 km (0.059 R)
• M12: 7,100,813 km (0.079 R)
• M13: 7,764,578 km (0.105 R)
• M14: 8,302,981 km (0.078 R)
• M15: 10,037,269 km (0.058 R)
• M16: 10,676,351 km (0.12 R)
• M17: 11,478,794 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 12.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.69 AU - 3.01 AU

Year: 3208 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,668,075 km

• M1: 151,842 km (0.065 R)
• M2: 540,647 km (0.087 R)
• M3: 1,211,743 km (0.063 R)
• M4: 1,615,807 km (0.08 R)
• M5: 2,471,506 km (0.11 R)
• M6: 3,189,875 km (0.097 R)
• M7: 4,129,649 km (0.064 R)
• M8: 5,297,410 km (0.066 R)
• M9: 6,142,788 km (0.08 R)
• M10: 6,734,597 km (0.077 R)
• M11: 8,275,904 km (0.095 R)
• M12: 10,446,569 km (0.084 R)
• M13: 11,909,038 km (0.102 R)
• M14: 12,410,191 km (0.113 R)
• M15: 13,552,819 km (0.117 R)
• M16: 14,200,428 km (0.086 R)
• M17: 15,343,057 km (0.113 R)
• M18: 16,046,616 km (0.097 R)
• M19: 17,286,184 km (0.086 R)
• M20: 17,870,214 km (0.092 R)
• M21: 19,828,151 km (0.12 R)
• M22: 20,210,672 km (0.081 R)
• M23: 21,790,127 km (0.075 R)
• M24: 22,265,848 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 11.3

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.52 AU - 3.54 AU

Year: 3517 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,668,075 km

• M1: 140,472 km (0.11 R)
• M2: 534,214 km (0.073 R)
• M3: 887,265 km (0.037 R)
• M4: 1,344,586 km (0.09 R)
• M5: 1,719,029 km (0.099 R)
• M6: 2,178,145 km (0.078 R)
• M7: 2,619,908 km (0.048 R)
• M8: 2,976,848 km (0.113 R)
• M9: 3,790,212 km (0.114 R)
• M10: 5,307,134 km (0.106 R)
• M11: 5,686,963 km (0.109 R)
• M12: 6,291,039 km (0.108 R)
• M13: 6,874,022 km (0.09 R)
• M14: 7,459,249 km (0.03 R)
• M15: 8,471,727 km (0.098 R)
• M16: 9,068,473 km (0.069 R)
• M17: 9,613,309 km (0.098 R)
• M18: 12,340,328 km (0.053 R)
• M19: 13,754,028 km (0.1 R)
• M20: 14,265,803 km (0.081 R)
• M21: 16,498,102 km (0.098 R)
• M22: 17,017,655 km (0.105 R)
• M23: 17,369,958 km (0.05 R)
• M24: 20,965,693 km (0.095 R)
• M25: 22,972,997 km (0.096 R)
• M26: 23,913,070 km (0.044 R)
• M27: 24,578,930 km (0.095 R)
• M28: 25,409,348 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 13.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.51 AU - 5.07 AU

Year: 5925 Days

Day: 6.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,668,075 km

• M1: 169,195 km (0.093 R)
• M2: 643,570 km (0.094 R)
• M3: 2,024,358 km (0.076 R)
• M4: 2,559,021 km (0.042 R)
• M5: 2,992,556 km (0.072 R)
• M6: 4,274,310 km (0.073 R)
• M7: 4,836,798 km (0.063 R)
• M8: 5,956,239 km (0.1 R)
• M9: 8,350,553 km (0.076 R)
• M10: 12,924,957 km (0.08 R)
• M11: 14,051,429 km (0.111 R)
• M12: 15,832,691 km (0.111 R)
• M13: 17,311,765 km (0.098 R)
• M14: 18,347,730 km (0.109 R)
• M15: 19,015,984 km (0.085 R)
• M16: 24,157,812 km (0.082 R)
• M17: 24,879,771 km (0.094 R)
• M18: 26,367,074 km (0.101 R)
• M19: 28,976,210 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 13.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.32 AU - 5.44 AU

Year: 7189 Days

Day: 5.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,668,075 km

• M1: 171,738 km (0.096 R)
• M2: 1,026,690 km (0.057 R)
• M3: 1,699,731 km (0.097 R)
• M4: 2,269,699 km (0.118 R)
• M5: 2,769,954 km (0.027 R)
• M6: 3,322,120 km (0.097 R)
• M7: 3,778,094 km (0.095 R)
• M8: 4,407,153 km (0.077 R)
• M9: 4,960,217 km (0.09 R)
• M10: 5,405,121 km (0.11 R)
• M11: 6,760,029 km (0.079 R)
• M12: 7,887,249 km (0.115 R)
• M13: 8,454,673 km (0.044 R)
• M14: 11,201,290 km (0.113 R)
• M15: 13,447,353 km (0.096 R)
• M16: 13,907,067 km (0.094 R)
• M17: 14,496,632 km (0.095 R)
• M18: 15,536,936 km (0.107 R)
• M19: 16,365,558 km (0.117 R)
• M20: 18,390,365 km (0.089 R)
• M21: 19,317,723 km (0.06 R)
• M22: 22,932,606 km (0.043 R)
• M23: 23,756,291 km (0.107 R)
• M24: 24,856,285 km (0.118 R)
• M25: 28,643,205 km (0.097 R)
• M26: 31,673,908 km (0.109 R)
• M27: 32,592,290 km (0.094 R)
• M28: 38,135,938 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 11.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.33 AU - 5.79 AU

Year: 7590 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,668,075 km

• M1: 146,756 km (0.11 R)
• M2: 711,188 km (0.12 R)
• M3: 1,286,691 km (0.037 R)
• M4: 2,407,179 km (0.099 R)
• M5: 2,861,807 km (0.101 R)
• M6: 3,416,965 km (0.07 R)
• M7: 4,018,498 km (0.113 R)
• M8: 4,744,347 km (0.087 R)
• M9: 5,168,158 km (0.046 R)
• M10: 6,356,264 km (0.083 R)
• M11: 7,159,156 km (0.031 R)
• M12: 7,911,184 km (0.087 R)
• M13: 8,632,396 km (0.063 R)
• M14: 10,915,409 km (0.096 R)
• M15: 11,506,320 km (0.114 R)
• M16: 12,066,564 km (0.109 R)
• M17: 13,352,208 km (0.096 R)
• M18: 15,205,726 km (0.05 R)
• M19: 16,068,307 km (0.054 R)
• M20: 16,833,500 km (0.117 R)
• M21: 22,490,245 km (0.117 R)
• M22: 23,447,671 km (0.087 R)
• M23: 26,395,647 km (0.099 R)
• M24: 27,371,025 km (0.106 R)
• M25: 29,962,210 km (0.092 R)
• M26: 31,415,553 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 14

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.17 AU - 5.41 AU

Year: 8114 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,668,075 km

• M1: 174,132 km (0.119 R)
• M2: 689,646 km (0.085 R)
• M3: 2,480,931 km (0.118 R)
• M4: 3,225,629 km (0.095 R)
• M5: 4,485,991 km (0.032 R)
• M6: 5,376,398 km (0.119 R)
• M7: 6,141,441 km (0.076 R)
• M8: 7,306,659 km (0.11 R)
• M9: 8,210,230 km (0.09 R)
• M10: 9,907,717 km (0.043 R)
• M11: 14,039,611 km (0.107 R)
• M12: 14,619,452 km (0.114 R)
• M13: 15,491,458 km (0.108 R)
• M14: 16,397,871 km (0.067 R)
• M15: 17,339,291 km (0.069 R)
• M16: 18,254,231 km (0.077 R)
• M17: 19,850,590 km (0.078 R)
• M18: 21,056,199 km (0.098 R)
• M19: 21,538,204 km (0.11 R)
• M20: 22,239,369 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.9

Radius: 6.5

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.05 AU - 7.27 AU

Year: 12776 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,668,075 km

• M1: 81,082 km (0.114 R)
• M2: 287,826 km (0.109 R)
• M3: 601,683 km (0.107 R)
• M4: 942,317 km (0.049 R)
• M5: 1,181,075 km (0.044 R)
• M6: 1,406,370 km (0.11 R)
• M7: 1,798,765 km (0.076 R)
• M8: 2,243,519 km (0.057 R)
• M9: 2,633,521 km (0.102 R)
• M10: 4,569,467 km (0.085 R)
• M11: 5,066,581 km (0.045 R)
• M12: 7,215,404 km (0.077 R)
• M13: 7,463,288 km (0.07 R)
• M14: 7,759,642 km (0.12 R)
• M15: 8,603,822 km (0.057 R)
• M16: 9,656,094 km (0.115 R)
• M17: 9,906,820 km (0.036 R)
• M18: 10,473,497 km (0.118 R)
• M19: 11,671,626 km (0.037 R)
• M20: 12,303,677 km (0.068 R)
• M21: 12,958,317 km (0.093 R)
• M22: 20,916,924 km (0.095 R)
• M23: 22,193,891 km (0.097 R)
• M24: 23,162,986 km (0.112 R)
• M25: 23,522,171 km (0.045 R)
• M26: 30,105,674 km (0.079 R)
• M27: 35,750,151 km (0.115 R)
• M28: 37,325,267 km (0.103 R)
• M29: 38,693,788 km (0.115 R)
• M30: 42,864,727 km (0.04 R)
• M31: 47,759,270 km (0.027 R)
• M32: 48,927,928 km (0.094 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 18,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit