🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.5

Radius: 9.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 6.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,599,605 km

• M1: 118,182 km (0.073 R)
• M2: 464,352 km (0.074 R)
• M3: 798,254 km (0.12 R)
• M4: 1,102,536 km (0.06 R)
• M5: 1,413,401 km (0.119 R)
• M6: 1,748,650 km (0.106 R)
• M7: 2,610,782 km (0.085 R)
• M8: 3,080,220 km (0.085 R)
• M9: 3,479,646 km (0.067 R)
• M10: 3,876,978 km (0.081 R)
• M11: 4,693,783 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.5

Radius: 14.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,599,605 km

• M1: 184,005 km (0.077 R)
• M2: 657,782 km (0.114 R)
• M3: 1,133,802 km (0.025 R)
• M4: 1,720,525 km (0.115 R)
• M5: 2,447,122 km (0.068 R)
• M6: 3,061,371 km (0.093 R)
• M7: 3,862,617 km (0.08 R)
• M8: 4,373,494 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 8.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,599,605 km

• M1: 103,671 km (0.092 R)
• M2: 703,858 km (0.107 R)
• M3: 1,105,977 km (0.075 R)
• M4: 1,447,210 km (0.07 R)
• M5: 2,039,169 km (0.064 R)
• M6: 2,462,979 km (0.077 R)
• M7: 3,071,843 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 10.6

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.89 AU - 1.05 AU

Year: 637 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,599,605 km

• M1: 131,796 km (0.046 R)
• M2: 528,380 km (0.115 R)
• M3: 952,340 km (0.108 R)
• M4: 1,802,206 km (0.109 R)
• M5: 2,170,216 km (0.114 R)
• M6: 2,747,514 km (0.082 R)
• M7: 3,397,667 km (0.089 R)
• M8: 3,730,971 km (0.037 R)
• M9: 4,240,950 km (0.119 R)
• M10: 4,899,779 km (0.12 R)
• M11: 6,114,663 km (0.109 R)
• M12: 7,944,993 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 10.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.29 AU - 2.07 AU

Year: 1452 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,599,605 km

• M1: 133,142 km (0.096 R)
• M2: 505,491 km (0.064 R)
• M3: 849,716 km (0.108 R)
• M4: 1,632,113 km (0.078 R)
• M5: 2,140,147 km (0.102 R)
• M6: 2,650,276 km (0.12 R)
• M7: 3,043,718 km (0.034 R)
• M8: 3,770,764 km (0.115 R)
• M9: 4,323,079 km (0.113 R)
• M10: 4,947,950 km (0.06 R)
• M11: 6,151,913 km (0.111 R)
• M12: 7,800,781 km (0.103 R)
• M13: 8,146,801 km (0.094 R)
• M14: 8,841,234 km (0.103 R)
• M15: 10,284,854 km (0.084 R)
• M16: 11,096,123 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 12.5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.95 AU - 3.81 AU

Year: 4144 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,599,605 km

• M1: 155,731 km (0.083 R)
• M2: 565,031 km (0.109 R)
• M3: 968,497 km (0.104 R)
• M4: 1,754,933 km (0.09 R)
• M5: 2,213,151 km (0.095 R)
• M6: 3,905,552 km (0.082 R)
• M7: 4,984,152 km (0.115 R)
• M8: 5,384,925 km (0.081 R)
• M9: 6,424,331 km (0.092 R)
• M10: 7,923,152 km (0.117 R)
• M11: 9,266,242 km (0.103 R)
• M12: 10,551,138 km (0.095 R)
• M13: 11,385,744 km (0.045 R)
• M14: 11,951,523 km (0.105 R)
• M15: 13,281,299 km (0.118 R)
• M16: 14,656,851 km (0.09 R)
• M17: 15,326,751 km (0.092 R)
• M18: 15,802,472 km (0.076 R)
• M19: 16,397,273 km (0.101 R)
• M20: 17,232,478 km (0.066 R)
• M21: 19,722,086 km (0.058 R)
• M22: 20,859,179 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 13.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.12 AU - 4.92 AU

Year: 6408 Days

Day: 12.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,599,605 km

• M1: 169,195 km (0.085 R)
• M2: 1,345,184 km (0.104 R)
• M3: 1,830,330 km (0.047 R)
• M4: 3,429,232 km (0.101 R)
• M5: 4,943,312 km (0.093 R)
• M6: 6,124,836 km (0.079 R)
• M7: 8,841,533 km (0.038 R)
• M8: 10,577,018 km (0.071 R)
• M9: 14,656,552 km (0.109 R)
• M10: 15,166,531 km (0.114 R)
• M11: 15,746,971 km (0.06 R)
• M12: 16,342,221 km (0.079 R)
• M13: 17,832,365 km (0.094 R)
• M14: 18,413,852 km (0.073 R)
• M15: 19,276,284 km (0.084 R)
• M16: 29,259,848 km (0.053 R)
• M17: 29,888,308 km (0.107 R)
• M18: 30,342,787 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.9

Radius: 3.4

Gravity: 54.06 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.01 AU - 6.49 AU

Year: 10420 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,599,605 km

• M1: 43,683 km (0.098 R)
• M2: 178,919 km (0.107 R)
• M3: 349,461 km (0.111 R)
• M4: 471,832 km (0.104 R)
• M5: 638,334 km (0.06 R)
• M6: 752,926 km (0.079 R)
• M7: 1,024,297 km (0.111 R)
• M8: 1,985,613 km (0.064 R)
• M9: 2,984,328 km (0.117 R)
• M10: 3,380,762 km (0.104 R)
• M11: 3,553,847 km (0.062 R)
• M12: 4,598,489 km (0.037 R)
• M13: 5,030,228 km (0.077 R)
• M14: 5,354,706 km (0.111 R)
• M15: 6,263,513 km (0.028 R)
• M16: 7,476,004 km (0.045 R)
• M17: 9,308,279 km (0.11 R)
• M18: 9,501,559 km (0.105 R)
• M19: 9,648,464 km (0.12 R)
• M20: 9,996,728 km (0.033 R)
• M21: 11,364,352 km (0.108 R)
• M22: 12,207,635 km (0.102 R)
• M23: 13,091,609 km (0.095 R)
• M24: 13,518,412 km (0.109 R)
• M25: 14,335,665 km (0.097 R)
• M26: 18,083,690 km (0.099 R)
• M27: 18,612,817 km (0.047 R)
• M28: 18,919,792 km (0.086 R)
• M29: 23,578,569 km (0.06 R)
• M30: 23,847,696 km (0.087 R)
• M31: 27,239,229 km (0.119 R)
• M32: 28,946,889 km (0.082 R)
• M33: 29,255,509 km (0.086 R)
• M34: 33,922,813 km (0.044 R)
• M35: 34,958,778 km (0.114 R)
• M36: 45,247,671 km (0.088 R)
• M37: 46,783,892 km (0.114 R)
• M38: 46,925,262 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.1

Radius: 7.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.24 AU - 8.48 AU

Year: 13315 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 128.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,599,605 km

• M1: 93,199 km (0.116 R)
• M2: 502,499 km (0.098 R)
• M3: 1,185,713 km (0.117 R)
• M4: 1,825,393 km (0.106 R)
• M5: 2,456,397 km (0.06 R)
• M6: 3,463,939 km (0.107 R)
• M7: 4,060,535 km (0.094 R)
• M8: 4,369,305 km (0.081 R)
• M9: 4,603,426 km (0.11 R)
• M10: 5,357,249 km (0.119 R)
• M11: 5,694,593 km (0.095 R)
• M12: 5,939,035 km (0.1 R)
• M13: 11,860,418 km (0.109 R)
• M14: 14,785,057 km (0.101 R)
• M15: 15,114,920 km (0.107 R)
• M16: 17,784,943 km (0.116 R)
• M17: 21,084,473 km (0.112 R)
• M18: 22,097,251 km (0.095 R)
• M19: 26,185,013 km (0.038 R)
• M20: 27,552,786 km (0.099 R)
• M21: 28,967,683 km (0.044 R)
• M22: 30,007,538 km (0.066 R)
• M23: 30,749,992 km (0.086 R)
• M24: 34,416,187 km (0.068 R)
• M25: 37,016,048 km (0.095 R)
• M26: 43,271,184 km (0.067 R)
• M27: 44,903,746 km (0.099 R)
• M28: 45,874,785 km (0.104 R)
• M29: 47,143,824 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.3

Radius: 5

Gravity: 23.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.25 AU - 10.49 AU

Year: 19127 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,599,605 km

• M1: 64,028 km (0.08 R)
• M2: 231,877 km (0.108 R)
• M3: 408,701 km (0.058 R)
• M4: 601,533 km (0.04 R)
• M5: 823,536 km (0.096 R)
• M6: 1,074,262 km (0.085 R)
• M7: 1,610,571 km (0.101 R)
• M8: 1,947,764 km (0.088 R)
• M9: 3,811,754 km (0.092 R)
• M10: 4,610,457 km (0.097 R)
• M11: 4,852,955 km (0.075 R)
• M12: 5,631,313 km (0.074 R)
• M13: 6,619,257 km (0.058 R)
• M14: 7,154,369 km (0.119 R)
• M15: 8,259,598 km (0.059 R)
• M16: 8,669,496 km (0.103 R)
• M17: 10,095,164 km (0.101 R)
• M18: 11,480,739 km (0.081 R)
• M19: 14,696,944 km (0.075 R)
• M20: 15,994,256 km (0.107 R)
• M21: 16,469,828 km (0.047 R)
• M22: 17,699,822 km (0.077 R)
• M23: 17,868,418 km (0.066 R)
• M24: 18,466,660 km (0.045 R)
• M25: 23,033,435 km (0.106 R)
• M26: 24,049,802 km (0.065 R)
• M27: 24,989,576 km (0.089 R)
• M28: 27,615,318 km (0.082 R)
• M29: 29,939,321 km (0.112 R)
• M30: 34,445,209 km (0.073 R)
• M31: 37,687,743 km (0.118 R)
• M32: 39,814,277 km (0.074 R)
• M33: 42,470,088 km (0.115 R)
• M34: 45,715,015 km (0.055 R)
• M35: 46,032,462 km (0.053 R)
• M36: 58,462,698 km (0.093 R)
• M37: 58,836,543 km (0.069 R)
• M38: 67,267,730 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 15,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit