🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 14

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.51 AU - 0.59 AU

Year: 277 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,682,771 km

• M1: 174,431 km (0.08 R)
• M2: 702,212 km (0.095 R)
• M3: 1,492,837 km (0.102 R)
• M4: 2,396,109 km (0.075 R)
• M5: 2,986,721 km (0.089 R)
• M6: 3,548,461 km (0.11 R)
• M7: 4,180,512 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.7

Radius: 8.4

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.77 AU - 0.85 AU

Year: 494 Days

Day: 7.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,682,771 km

• M1: 109,206 km (0.095 R)
• M2: 377,136 km (0.119 R)
• M3: 666,758 km (0.101 R)
• M4: 1,111,063 km (0.042 R)
• M5: 1,382,135 km (0.113 R)
• M6: 1,645,726 km (0.095 R)
• M7: 2,105,440 km (0.083 R)
• M8: 2,438,296 km (0.102 R)
• M9: 2,700,391 km (0.079 R)
• M10: 3,129,139 km (0.047 R)
• M11: 3,452,120 km (0.116 R)
• M12: 3,718,704 km (0.062 R)
• M13: 4,095,541 km (0.086 R)
• M14: 4,557,200 km (0.076 R)
• M15: 4,894,543 km (0.052 R)
• M16: 5,567,734 km (0.077 R)
• M17: 6,043,904 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.7

Radius: 10.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.76 AU - 2.04 AU

Year: 1776 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,682,771 km

• M1: 126,859 km (0.083 R)
• M2: 448,494 km (0.09 R)
• M3: 853,905 km (0.05 R)
• M4: 1,361,789 km (0.097 R)
• M5: 1,912,609 km (0.044 R)
• M6: 2,378,905 km (0.111 R)
• M7: 2,780,875 km (0.104 R)
• M8: 4,986,097 km (0.109 R)
• M9: 6,393,364 km (0.037 R)
• M10: 7,549,606 km (0.072 R)
• M11: 8,779,600 km (0.079 R)
• M12: 10,920,645 km (0.109 R)
• M13: 11,524,122 km (0.093 R)
• M14: 12,112,192 km (0.081 R)
• M15: 13,348,468 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 12.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.66 AU - 2.48 AU

Year: 2020 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,682,771 km

• M1: 165,754 km (0.101 R)
• M2: 601,383 km (0.106 R)
• M3: 1,145,770 km (0.097 R)
• M4: 3,125,698 km (0.104 R)
• M5: 3,794,251 km (0.114 R)
• M6: 4,449,041 km (0.068 R)
• M7: 4,869,710 km (0.092 R)
• M8: 5,963,270 km (0.073 R)
• M9: 7,164,840 km (0.1 R)
• M10: 8,438,965 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.6

Radius: 10.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.77 AU - 4.27 AU

Year: 4479 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,682,771 km

• M1: 133,292 km (0.063 R)
• M2: 566,826 km (0.1 R)
• M3: 981,063 km (0.098 R)
• M4: 1,558,959 km (0.099 R)
• M5: 1,983,967 km (0.109 R)
• M6: 2,610,034 km (0.107 R)
• M7: 3,464,836 km (0.042 R)
• M8: 4,516,958 km (0.047 R)
• M9: 6,503,468 km (0.101 R)
• M10: 6,934,161 km (0.107 R)
• M11: 7,704,290 km (0.077 R)
• M12: 8,310,611 km (0.051 R)
• M13: 9,047,081 km (0.101 R)
• M14: 10,072,275 km (0.077 R)
• M15: 12,722,252 km (0.092 R)
• M16: 13,269,032 km (0.078 R)
• M17: 13,875,203 km (0.096 R)
• M18: 14,274,778 km (0.026 R)
• M19: 15,424,737 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 11.9

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.16 AU - 4.2 AU

Year: 4788 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,682,771 km

• M1: 147,952 km (0.102 R)
• M2: 527,482 km (0.11 R)
• M3: 968,048 km (0.039 R)
• M4: 1,455,737 km (0.115 R)
• M5: 1,926,970 km (0.111 R)
• M6: 2,312,185 km (0.11 R)
• M7: 3,108,345 km (0.109 R)
• M8: 3,944,896 km (0.078 R)
• M9: 4,647,856 km (0.082 R)
• M10: 5,108,468 km (0.108 R)
• M11: 6,062,603 km (0.057 R)
• M12: 8,031,162 km (0.109 R)
• M13: 8,811,464 km (0.107 R)
• M14: 9,359,292 km (0.071 R)
• M15: 10,437,144 km (0.1 R)
• M16: 11,095,524 km (0.047 R)
• M17: 11,875,079 km (0.052 R)
• M18: 13,087,271 km (0.049 R)
• M19: 15,251,353 km (0.101 R)
• M20: 15,813,542 km (0.117 R)
• M21: 16,800,738 km (0.119 R)
• M22: 17,952,343 km (0.082 R)
• M23: 19,810,498 km (0.046 R)
• M24: 20,683,701 km (0.084 R)
• M25: 22,219,772 km (0.114 R)
• M26: 23,532,044 km (0.066 R)
• M27: 25,833,009 km (0.075 R)
• M28: 26,794,175 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.3

Radius: 11.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.99 AU - 4.99 AU

Year: 5406 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,682,771 km

• M1: 139,874 km (0.115 R)
• M2: 671,246 km (0.099 R)
• M3: 1,109,418 km (0.066 R)
• M4: 1,567,786 km (0.052 R)
• M5: 2,107,385 km (0.088 R)
• M6: 2,494,993 km (0.072 R)
• M7: 3,023,523 km (0.109 R)
• M8: 3,668,589 km (0.078 R)
• M9: 4,093,596 km (0.039 R)
• M10: 5,043,243 km (0.117 R)
• M11: 5,715,087 km (0.086 R)
• M12: 6,103,444 km (0.081 R)
• M13: 6,833,780 km (0.106 R)
• M14: 8,241,646 km (0.052 R)
• M15: 9,053,962 km (0.119 R)
• M16: 9,876,451 km (0.108 R)
• M17: 10,306,097 km (0.086 R)
• M18: 10,703,279 km (0.069 R)
• M19: 12,346,462 km (0.068 R)
• M20: 15,315,980 km (0.103 R)
• M21: 17,027,080 km (0.107 R)
• M22: 21,748,838 km (0.105 R)
• M23: 22,624,733 km (0.104 R)
• M24: 23,829,146 km (0.076 R)
• M25: 26,120,387 km (0.052 R)
• M26: 27,193,602 km (0.112 R)
• M27: 29,516,408 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 13

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.39 AU - 4.45 AU

Year: 6303 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,682,771 km

• M1: 161,715 km (0.071 R)
• M2: 766,689 km (0.081 R)
• M3: 2,491,852 km (0.119 R)
• M4: 3,219,645 km (0.047 R)
• M5: 3,794,101 km (0.067 R)
• M6: 4,413,736 km (0.072 R)
• M7: 4,976,822 km (0.12 R)
• M8: 6,807,152 km (0.12 R)
• M9: 7,692,173 km (0.106 R)
• M10: 9,124,573 km (0.06 R)
• M11: 10,894,166 km (0.084 R)
• M12: 12,789,272 km (0.101 R)
• M13: 13,596,053 km (0.106 R)
• M14: 14,185,768 km (0.114 R)
• M15: 15,206,474 km (0.077 R)
• M16: 16,112,139 km (0.12 R)
• M17: 19,784,618 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.2

Radius: 7.5

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.29 AU - 6.95 AU

Year: 10269 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,682,771 km

• M1: 93,349 km (0.049 R)
• M2: 338,241 km (0.092 R)
• M3: 579,841 km (0.094 R)
• M4: 845,228 km (0.031 R)
• M5: 1,339,200 km (0.106 R)
• M6: 1,816,268 km (0.071 R)
• M7: 2,655,811 km (0.085 R)
• M8: 3,964,643 km (0.117 R)
• M9: 4,626,314 km (0.096 R)
• M10: 5,385,972 km (0.064 R)
• M11: 6,167,471 km (0.065 R)
• M12: 7,118,465 km (0.106 R)
• M13: 8,413,534 km (0.065 R)
• M14: 9,858,649 km (0.109 R)
• M15: 10,852,428 km (0.096 R)
• M16: 12,094,389 km (0.099 R)
• M17: 15,609,491 km (0.079 R)
• M18: 17,188,047 km (0.082 R)
• M19: 17,776,865 km (0.041 R)
• M20: 18,378,996 km (0.093 R)
• M21: 19,815,285 km (0.104 R)
• M22: 22,073,615 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.8

Radius: 5.9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.98 AU - 9.86 AU

Year: 16571 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,682,771 km

• M1: 73,752 km (0.041 R)
• M2: 287,677 km (0.113 R)
• M3: 477,217 km (0.088 R)
• M4: 941,270 km (0.09 R)
• M5: 1,423,424 km (0.117 R)
• M6: 2,125,038 km (0.103 R)
• M7: 2,523,417 km (0.108 R)
• M8: 2,970,415 km (0.07 R)
• M9: 4,181,260 km (0.088 R)
• M10: 5,590,173 km (0.034 R)
• M11: 6,099,704 km (0.055 R)
• M12: 8,064,821 km (0.112 R)
• M13: 8,407,251 km (0.109 R)
• M14: 10,217,235 km (0.036 R)
• M15: 13,785,593 km (0.118 R)
• M16: 14,967,417 km (0.105 R)
• M17: 17,248,186 km (0.117 R)
• M18: 17,888,614 km (0.091 R)
• M19: 18,251,239 km (0.114 R)
• M20: 20,216,058 km (0.063 R)
• M21: 24,030,355 km (0.065 R)
• M22: 39,140,488 km (0.072 R)
• M23: 39,874,564 km (0.113 R)
• M24: 40,244,969 km (0.108 R)
• M25: 41,876,633 km (0.036 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 10,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit