🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 8.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 5.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,531,774 km

• M1: 102,026 km (0.11 R)
• M2: 419,323 km (0.084 R)
• M3: 869,912 km (0.077 R)
• M4: 1,175,540 km (0.067 R)
• M5: 1,453,044 km (0.074 R)
• M6: 1,988,604 km (0.1 R)
• M7: 2,251,298 km (0.063 R)
• M8: 2,511,898 km (0.102 R)
• M9: 2,783,568 km (0.118 R)
• M10: 3,545,320 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 11

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.66 AU - 0.9 AU

Year: 467 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,531,774 km

• M1: 161,117 km (0.092 R)
• M2: 548,426 km (0.076 R)
• M3: 940,671 km (0.06 R)
• M4: 1,430,006 km (0.099 R)
• M5: 2,488,561 km (0.092 R)
• M6: 3,168,932 km (0.088 R)
• M7: 3,523,778 km (0.093 R)
• M8: 3,917,968 km (0.092 R)
• M9: 4,369,155 km (0.114 R)
• M10: 4,899,480 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.9

Radius: 8.5

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.9 AU - 0.9 AU

Year: 579 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,531,774 km

• M1: 105,766 km (0.078 R)
• M2: 449,990 km (0.094 R)
• M3: 811,868 km (0.087 R)
• M4: 1,267,842 km (0.114 R)
• M5: 1,723,367 km (0.111 R)
• M6: 2,473,451 km (0.07 R)
• M7: 2,871,531 km (0.093 R)
• M8: 3,387,494 km (0.061 R)
• M9: 3,879,671 km (0.091 R)
• M10: 5,106,972 km (0.117 R)
• M11: 6,013,685 km (0.093 R)
• M12: 6,635,114 km (0.118 R)
• M13: 7,044,713 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 11.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.36 AU - 1.66 AU

Year: 1259 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,531,774 km

• M1: 139,425 km (0.049 R)
• M2: 519,553 km (0.069 R)
• M3: 1,091,616 km (0.112 R)
• M4: 1,851,274 km (0.074 R)
• M5: 2,458,791 km (0.063 R)
• M6: 2,895,018 km (0.083 R)
• M7: 3,654,526 km (0.09 R)
• M8: 4,123,665 km (0.109 R)
• M9: 6,102,696 km (0.119 R)
• M10: 6,789,200 km (0.091 R)
• M11: 8,047,169 km (0.118 R)
• M12: 10,311,183 km (0.036 R)
• M13: 10,661,541 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 8.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.39 AU - 1.87 AU

Year: 1411 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,531,774 km

• M1: 103,372 km (0.084 R)
• M2: 370,554 km (0.067 R)
• M3: 757,713 km (0.116 R)
• M4: 2,532,692 km (0.094 R)
• M5: 2,836,525 km (0.113 R)
• M6: 3,697,162 km (0.097 R)
• M7: 4,338,488 km (0.108 R)
• M8: 4,775,762 km (0.09 R)
• M9: 5,456,732 km (0.116 R)
• M10: 5,841,348 km (0.078 R)
• M11: 6,894,218 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.8

Radius: 11.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.84 AU - 2.24 AU

Year: 1976 Days

Day: 12.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,531,774 km

• M1: 142,716 km (0.067 R)
• M2: 532,120 km (0.09 R)
• M3: 1,299,856 km (0.107 R)
• M4: 1,681,480 km (0.068 R)
• M5: 2,150,469 km (0.087 R)
• M6: 2,501,875 km (0.103 R)
• M7: 2,936,307 km (0.036 R)
• M8: 3,387,943 km (0.117 R)
• M9: 3,994,712 km (0.086 R)
• M10: 4,353,747 km (0.108 R)
• M11: 5,749,196 km (0.031 R)
• M12: 6,614,171 km (0.109 R)
• M13: 8,056,743 km (0.064 R)
• M14: 9,598,648 km (0.079 R)
• M15: 10,850,782 km (0.081 R)
• M16: 12,326,865 km (0.106 R)
• M17: 13,382,726 km (0.097 R)
• M18: 14,630,373 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 9.6

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.78 AU - 5.9 AU

Year: 8370 Days

Day: 6.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 35,531,774 km

• M1: 119,379 km (0.084 R)
• M2: 500,405 km (0.051 R)
• M3: 826,379 km (0.037 R)
• M4: 1,193,941 km (0.082 R)
• M5: 1,530,536 km (0.082 R)
• M6: 3,099,219 km (0.088 R)
• M7: 3,644,803 km (0.054 R)
• M8: 4,422,711 km (0.116 R)
• M9: 4,897,236 km (0.076 R)
• M10: 6,527,105 km (0.092 R)
• M11: 7,588,651 km (0.089 R)
• M12: 8,182,555 km (0.073 R)
• M13: 8,535,606 km (0.1 R)
• M14: 9,463,113 km (0.102 R)
• M15: 10,252,241 km (0.041 R)
• M16: 12,187,739 km (0.068 R)
• M17: 15,396,613 km (0.086 R)
• M18: 16,557,343 km (0.111 R)
• M19: 19,361,106 km (0.071 R)
• M20: 19,910,130 km (0.089 R)
• M21: 21,871,508 km (0.096 R)
• M22: 24,865,859 km (0.118 R)
• M23: 25,984,851 km (0.069 R)
• M24: 26,365,278 km (0.101 R)
• M25: 27,332,429 km (0.093 R)
• M26: 32,526,167 km (0.07 R)
• M27: 33,079,081 km (0.088 R)
• M28: 34,431,895 km (0.111 R)
• M29: 37,007,222 km (0.092 R)
• M30: 39,457,486 km (0.078 R)
• M31: 39,960,284 km (0.074 R)
• M32: 41,364,709 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483

Radius: 3.9

Gravity: 31.76 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.26 AU - 6.32 AU

Year: 9450 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,531,774 km

• M1: 48,470 km (0.119 R)
• M2: 232,774 km (0.086 R)
• M3: 567,574 km (0.047 R)
• M4: 1,509,742 km (0.111 R)
• M5: 1,763,011 km (0.105 R)
• M6: 2,655,063 km (0.116 R)
• M7: 2,939,149 km (0.119 R)
• M8: 3,837,784 km (0.113 R)
• M9: 4,068,763 km (0.05 R)
• M10: 4,336,094 km (0.082 R)
• M11: 4,672,241 km (0.079 R)
• M12: 6,192,155 km (0.106 R)
• M13: 7,216,152 km (0.071 R)
• M14: 7,371,136 km (0.104 R)
• M15: 8,221,600 km (0.095 R)
• M16: 13,353,555 km (0.114 R)
• M17: 19,297,527 km (0.098 R)
• M18: 24,023,772 km (0.114 R)
• M19: 25,966,899 km (0.117 R)
• M20: 28,878,971 km (0.115 R)
• M21: 30,262,602 km (0.061 R)
• M22: 30,767,196 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.8

Radius: 4.3

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.48 AU - 7.78 AU

Year: 11579 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,531,774 km

• M1: 53,406 km (0.088 R)
• M2: 376,089 km (0.117 R)
• M3: 660,026 km (0.115 R)
• M4: 858,093 km (0.1 R)
• M5: 1,116,150 km (0.085 R)
• M6: 1,525,599 km (0.072 R)
• M7: 2,868,240 km (0.118 R)
• M8: 4,623,771 km (0.106 R)
• M9: 4,963,508 km (0.086 R)
• M10: 5,139,584 km (0.033 R)
• M11: 5,918,391 km (0.031 R)
• M12: 6,149,819 km (0.077 R)
• M13: 6,666,231 km (0.102 R)
• M14: 7,323,414 km (0.073 R)
• M15: 11,674,917 km (0.116 R)
• M16: 13,121,528 km (0.04 R)
• M17: 15,292,194 km (0.094 R)
• M18: 17,085,872 km (0.108 R)
• M19: 19,014,937 km (0.115 R)
• M20: 28,277,588 km (0.034 R)
• M21: 28,463,987 km (0.088 R)
• M22: 28,745,380 km (0.109 R)
• M23: 31,161,984 km (0.103 R)
• M24: 33,293,754 km (0.116 R)
• M25: 36,175,009 km (0.115 R)
• M26: 36,394,768 km (0.069 R)
• M27: 37,394,980 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.4

Radius: 8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.4 AU - 6.94 AU

Year: 11684 Days

Day: 15.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,531,774 km

• M1: 119,080 km (0.102 R)
• M2: 437,125 km (0.106 R)
• M3: 820,395 km (0.087 R)
• M4: 1,134,700 km (0.054 R)
• M5: 1,443,470 km (0.11 R)
• M6: 3,503,582 km (0.085 R)
• M7: 4,370,951 km (0.089 R)
• M8: 7,638,617 km (0.115 R)
• M9: 9,475,230 km (0.106 R)
• M10: 16,978,760 km (0.112 R)
• M11: 28,876,428 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 19,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit