🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 8.7

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,736,085 km

• M1: 108,159 km (0.087 R)
• M2: 384,616 km (0.118 R)
• M3: 671,844 km (0.069 R)
• M4: 1,022,202 km (0.055 R)
• M5: 1,354,908 km (0.084 R)
• M6: 1,809,536 km (0.108 R)
• M7: 2,145,233 km (0.075 R)
• M8: 2,441,886 km (0.119 R)
• M9: 3,087,550 km (0.093 R)
• M10: 3,605,009 km (0.117 R)
• M11: 4,153,585 km (0.07 R)
• M12: 4,441,561 km (0.089 R)
• M13: 4,827,374 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.7

Radius: 9.3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.67 AU - 0.81 AU

Year: 424 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,736,085 km

• M1: 121,623 km (0.092 R)
• M2: 630,854 km (0.039 R)
• M3: 995,723 km (0.086 R)
• M4: 1,423,573 km (0.086 R)
• M5: 2,180,389 km (0.119 R)
• M6: 2,813,637 km (0.112 R)
• M7: 3,121,958 km (0.047 R)
• M8: 4,549,720 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.3

Radius: 11.8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.64 AU - 2.28 AU

Year: 1830 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,736,085 km

• M1: 148,251 km (0.076 R)
• M2: 576,700 km (0.074 R)
• M3: 1,132,905 km (0.08 R)
• M4: 1,676,992 km (0.112 R)
• M5: 2,093,323 km (0.071 R)
• M6: 2,676,605 km (0.12 R)
• M7: 3,045,962 km (0.093 R)
• M8: 4,326,221 km (0.084 R)
• M9: 4,881,379 km (0.09 R)
• M10: 6,973,056 km (0.079 R)
• M11: 7,448,628 km (0.073 R)
• M12: 7,975,511 km (0.088 R)
• M13: 8,621,624 km (0.118 R)
• M14: 9,335,655 km (0.036 R)
• M15: 10,444,026 km (0.113 R)
• M16: 10,844,798 km (0.069 R)
• M17: 12,029,614 km (0.077 R)
• M18: 13,172,242 km (0.07 R)
• M19: 14,296,620 km (0.109 R)
• M20: 14,745,862 km (0.107 R)
• M21: 15,814,888 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.7

Radius: 12

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.83 AU - 2.57 AU

Year: 2176 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,736,085 km

• M1: 154,086 km (0.053 R)
• M2: 707,448 km (0.073 R)
• M3: 1,905,877 km (0.104 R)
• M4: 2,509,504 km (0.089 R)
• M5: 2,993,453 km (0.093 R)
• M6: 3,436,562 km (0.033 R)
• M7: 4,217,613 km (0.094 R)
• M8: 4,813,910 km (0.12 R)
• M9: 5,525,846 km (0.101 R)
• M10: 6,024,456 km (0.081 R)
• M11: 6,828,694 km (0.114 R)
• M12: 7,256,843 km (0.081 R)
• M13: 7,933,025 km (0.097 R)
• M14: 9,498,268 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 10.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.94 AU - 4.26 AU

Year: 5536 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,736,085 km

• M1: 149,598 km (0.049 R)
• M2: 545,733 km (0.054 R)
• M3: 1,646,773 km (0.1 R)
• M4: 2,012,839 km (0.102 R)
• M5: 2,634,269 km (0.041 R)
• M6: 3,417,414 km (0.105 R)
• M7: 4,304,529 km (0.118 R)
• M8: 4,790,423 km (0.068 R)
• M9: 6,620,005 km (0.108 R)
• M10: 9,059,348 km (0.099 R)
• M11: 11,383,949 km (0.03 R)
• M12: 13,490,886 km (0.078 R)
• M13: 19,498,138 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 8.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.69 AU - 4.71 AU

Year: 6795 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,736,085 km

• M1: 105,915 km (0.093 R)
• M2: 469,289 km (0.036 R)
• M3: 808,277 km (0.117 R)
• M4: 1,123,031 km (0.108 R)
• M5: 1,483,861 km (0.113 R)
• M6: 1,878,052 km (0.096 R)
• M7: 2,226,465 km (0.092 R)
• M8: 2,708,918 km (0.097 R)
• M9: 3,859,027 km (0.062 R)
• M10: 5,453,441 km (0.061 R)
• M11: 5,725,859 km (0.073 R)
• M12: 6,734,597 km (0.082 R)
• M13: 7,048,603 km (0.087 R)
• M14: 11,179,000 km (0.114 R)
• M15: 12,588,810 km (0.11 R)
• M16: 13,721,416 km (0.119 R)
• M17: 19,492,004 km (0.115 R)
• M18: 20,564,920 km (0.114 R)
• M19: 21,827,676 km (0.063 R)
• M20: 22,516,873 km (0.082 R)
• M21: 23,777,684 km (0.114 R)
• M22: 24,589,252 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.1

Radius: 3.4

Gravity: 35.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.47 AU - 7.83 AU

Year: 11436 Days

Day: 25 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,736,085 km

• M1: 42,336 km (0.099 R)
• M2: 739,013 km (0.06 R)
• M3: 958,623 km (0.081 R)
• M4: 1,231,938 km (0.096 R)
• M5: 1,355,058 km (0.041 R)
• M6: 2,716,847 km (0.116 R)
• M7: 3,101,463 km (0.1 R)
• M8: 3,899,119 km (0.056 R)
• M9: 4,824,531 km (0.111 R)
• M10: 5,683,522 km (0.061 R)
• M11: 8,074,395 km (0.084 R)
• M12: 9,138,186 km (0.12 R)
• M13: 10,594,820 km (0.107 R)
• M14: 15,548,155 km (0.048 R)
• M15: 15,879,964 km (0.07 R)
• M16: 17,325,229 km (0.082 R)
• M17: 19,309,046 km (0.104 R)
• M18: 22,182,671 km (0.113 R)
• M19: 30,792,927 km (0.084 R)
• M20: 34,242,653 km (0.085 R)
• M21: 34,354,403 km (0.087 R)
• M22: 41,642,063 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.7

Radius: 5.1

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.33 AU - 8.99 AU

Year: 14138 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,736,085 km

• M1: 64,028 km (0.11 R)
• M2: 236,365 km (0.036 R)
• M3: 410,048 km (0.094 R)
• M4: 613,800 km (0.09 R)
• M5: 961,615 km (0.108 R)
• M6: 1,193,193 km (0.058 R)
• M7: 1,948,512 km (0.086 R)
• M8: 2,626,490 km (0.091 R)
• M9: 3,132,879 km (0.074 R)
• M10: 4,697,972 km (0.087 R)
• M11: 4,972,484 km (0.102 R)
• M12: 5,367,422 km (0.064 R)
• M13: 6,981,433 km (0.085 R)
• M14: 8,139,919 km (0.089 R)
• M15: 9,747,348 km (0.074 R)
• M16: 10,538,272 km (0.107 R)
• M17: 13,234,475 km (0.116 R)
• M18: 14,849,833 km (0.087 R)
• M19: 15,217,694 km (0.09 R)
• M20: 15,516,291 km (0.09 R)
• M21: 16,513,660 km (0.112 R)
• M22: 17,228,888 km (0.101 R)
• M23: 21,675,684 km (0.081 R)
• M24: 27,707,171 km (0.101 R)
• M25: 29,057,292 km (0.104 R)
• M26: 30,805,792 km (0.04 R)
• M27: 36,470,166 km (0.094 R)
• M28: 37,274,105 km (0.028 R)
• M29: 38,778,760 km (0.097 R)
• M30: 40,323,508 km (0.089 R)
• M31: 43,087,478 km (0.059 R)
• M32: 47,070,671 km (0.057 R)
• M33: 47,545,494 km (0.114 R)
• M34: 50,792,815 km (0.026 R)
• M35: 53,666,890 km (0.066 R)
• M36: 54,358,481 km (0.081 R)
• M37: 57,906,045 km (0.12 R)
• M38: 59,921,577 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.2

Radius: 4.1

Gravity: 34.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.02 AU - 10.92 AU

Year: 22592 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,736,085 km

• M1: 52,060 km (0.106 R)
• M2: 419,921 km (0.083 R)
• M3: 1,073,664 km (0.113 R)
• M4: 2,089,433 km (0.058 R)
• M5: 2,529,550 km (0.089 R)
• M6: 2,796,583 km (0.058 R)
• M7: 2,924,190 km (0.034 R)
• M8: 3,082,315 km (0.076 R)
• M9: 3,928,590 km (0.112 R)
• M10: 4,187,095 km (0.054 R)
• M11: 4,354,196 km (0.054 R)
• M12: 7,624,555 km (0.095 R)
• M13: 7,823,819 km (0.089 R)
• M14: 10,191,205 km (0.093 R)
• M15: 10,494,141 km (0.086 R)
• M16: 11,439,300 km (0.083 R)
• M17: 11,899,015 km (0.05 R)
• M18: 13,569,424 km (0.088 R)
• M19: 15,153,965 km (0.074 R)
• M20: 16,941,660 km (0.098 R)
• M21: 17,281,247 km (0.12 R)
• M22: 17,452,686 km (0.079 R)
• M23: 18,149,812 km (0.089 R)
• M24: 27,315,225 km (0.107 R)
• M25: 27,664,685 km (0.111 R)
• M26: 29,579,389 km (0.08 R)
• M27: 34,612,908 km (0.096 R)
• M28: 36,129,382 km (0.105 R)
• M29: 38,559,300 km (0.098 R)
• M30: 39,739,478 km (0.106 R)
• M31: 44,863,055 km (0.075 R)
• M32: 46,003,589 km (0.069 R)
• M33: 57,915,170 km (0.116 R)
• M34: 58,299,188 km (0.102 R)
• M35: 59,852,313 km (0.073 R)
• M36: 76,006,639 km (0.118 R)
• M37: 76,466,952 km (0.075 R)
• M38: 76,929,059 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.5

Radius: 3.9

Gravity: 19.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.49 AU - 12.77 AU

Year: 23112 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,736,085 km

• M1: 49,218 km (0.054 R)
• M2: 813,364 km (0.064 R)
• M3: 1,247,197 km (0.071 R)
• M4: 1,476,681 km (0.047 R)
• M5: 2,779,080 km (0.085 R)
• M6: 3,044,765 km (0.072 R)
• M7: 4,063,677 km (0.046 R)
• M8: 4,868,812 km (0.092 R)
• M9: 5,547,987 km (0.094 R)
• M10: 5,929,760 km (0.116 R)
• M11: 6,369,728 km (0.112 R)
• M12: 8,447,193 km (0.115 R)
• M13: 8,747,586 km (0.099 R)
• M14: 9,159,429 km (0.103 R)
• M15: 10,301,459 km (0.087 R)
• M16: 11,293,143 km (0.086 R)
• M17: 12,156,173 km (0.103 R)
• M18: 12,346,611 km (0.09 R)
• M19: 14,292,132 km (0.12 R)
• M20: 14,646,978 km (0.1 R)
• M21: 16,355,535 km (0.072 R)
• M22: 17,217,817 km (0.089 R)
• M23: 17,700,719 km (0.102 R)
• M24: 17,945,461 km (0.059 R)
• M25: 18,947,169 km (0.059 R)
• M26: 19,289,299 km (0.079 R)
• M27: 21,799,851 km (0.117 R)
• M28: 23,425,830 km (0.087 R)
• M29: 29,924,212 km (0.097 R)
• M30: 30,504,651 km (0.111 R)
• M31: 32,778,988 km (0.096 R)
• M32: 39,576,266 km (0.09 R)
• M33: 43,302,001 km (0.094 R)
• M34: 52,609,532 km (0.079 R)
• M35: 53,454,461 km (0.026 R)
• M36: 61,284,413 km (0.085 R)
• M37: 62,785,478 km (0.081 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: 289 - 11,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit