🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 13.3

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.53 AU - 0.85 AU

Year: 370 Days

Day: 8.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,177,306 km

• M1: 165,455 km (0.065 R)
• M2: 657,034 km (0.062 R)
• M3: 1,105,678 km (0.086 R)
• M4: 1,697,337 km (0.106 R)
• M5: 2,292,438 km (0.071 R)
• M6: 3,217,102 km (0.113 R)
• M7: 4,363,471 km (0.12 R)
• M8: 4,883,622 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 12.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.82 AU - 1 AU

Year: 561 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,177,306 km

• M1: 156,629 km (0.082 R)
• M2: 582,085 km (0.036 R)
• M3: 1,434,644 km (0.104 R)
• M4: 1,877,004 km (0.074 R)
• M5: 2,331,483 km (0.101 R)
• M6: 2,974,903 km (0.069 R)
• M7: 3,390,337 km (0.077 R)
• M8: 3,957,312 km (0.101 R)
• M9: 4,650,549 km (0.037 R)
• M10: 5,547,987 km (0.104 R)
• M11: 6,948,223 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.13 AU - 1.13 AU

Year: 776 Days

Day: 11.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,177,306 km

• M1: 108,907 km (0.038 R)
• M2: 399,726 km (0.111 R)
• M3: 737,518 km (0.079 R)
• M4: 1,231,639 km (0.103 R)
• M5: 2,003,863 km (0.091 R)
• M6: 2,262,817 km (0.041 R)
• M7: 2,654,315 km (0.058 R)
• M8: 3,216,354 km (0.103 R)
• M9: 3,783,330 km (0.064 R)
• M10: 4,624,669 km (0.096 R)
• M11: 5,133,301 km (0.039 R)
• M12: 5,641,037 km (0.107 R)
• M13: 6,884,793 km (0.041 R)
• M14: 7,277,787 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 12

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.8 AU - 6.62 AU

Year: 8810 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,177,306 km

• M1: 149,299 km (0.105 R)
• M2: 524,640 km (0.103 R)
• M3: 1,134,700 km (0.096 R)
• M4: 1,841,251 km (0.097 R)
• M5: 2,287,052 km (0.103 R)
• M6: 2,695,305 km (0.098 R)
• M7: 3,400,509 km (0.104 R)
• M8: 4,055,000 km (0.117 R)
• M9: 5,094,107 km (0.069 R)
• M10: 5,646,272 km (0.12 R)
• M11: 6,046,746 km (0.101 R)
• M12: 6,870,881 km (0.095 R)
• M13: 11,459,795 km (0.119 R)
• M14: 13,358,342 km (0.026 R)
• M15: 14,241,119 km (0.104 R)
• M16: 14,754,539 km (0.08 R)
• M17: 16,743,592 km (0.119 R)
• M18: 19,179,644 km (0.113 R)
• M19: 20,302,974 km (0.032 R)
• M20: 21,993,879 km (0.086 R)
• M21: 22,450,003 km (0.054 R)
• M22: 24,337,928 km (0.113 R)
• M23: 28,697,659 km (0.077 R)
• M24: 31,204,470 km (0.058 R)
• M25: 31,684,081 km (0.058 R)
• M26: 33,053,650 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.4

Radius: 3.8

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.47 AU - 8.13 AU

Year: 14066 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,177,306 km

• M1: 47,273 km (0.062 R)
• M2: 188,942 km (0.057 R)
• M3: 316,699 km (0.053 R)
• M4: 498,161 km (0.096 R)
• M5: 652,995 km (0.1 R)
• M6: 869,313 km (0.086 R)
• M7: 1,005,447 km (0.104 R)
• M8: 1,205,160 km (0.119 R)
• M9: 1,473,389 km (0.115 R)
• M10: 1,637,349 km (0.116 R)
• M11: 2,799,275 km (0.075 R)
• M12: 3,600,821 km (0.088 R)
• M13: 3,816,242 km (0.052 R)
• M14: 4,361,975 km (0.103 R)
• M15: 4,991,034 km (0.074 R)
• M16: 6,233,594 km (0.12 R)
• M17: 8,964,802 km (0.104 R)
• M18: 10,947,572 km (0.106 R)
• M19: 11,342,211 km (0.114 R)
• M20: 13,458,872 km (0.11 R)
• M21: 13,716,330 km (0.119 R)
• M22: 14,847,439 km (0.1 R)
• M23: 16,039,285 km (0.057 R)
• M24: 20,415,023 km (0.089 R)
• M25: 27,951,764 km (0.117 R)
• M26: 32,563,268 km (0.087 R)
• M27: 33,027,171 km (0.11 R)
• M28: 33,968,291 km (0.095 R)
• M29: 42,149,499 km (0.1 R)
• M30: 42,424,460 km (0.118 R)
• M31: 43,256,224 km (0.094 R)
• M32: 44,952,365 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733

Radius: 7.6

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.69 AU - 9.55 AU

Year: 14940 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,177,306 km

• M1: 94,695 km (0.066 R)
• M2: 414,386 km (0.1 R)
• M3: 670,198 km (0.08 R)
• M4: 978,968 km (0.086 R)
• M5: 2,884,845 km (0.065 R)
• M6: 3,468,277 km (0.062 R)
• M7: 3,717,208 km (0.096 R)
• M8: 4,344,621 km (0.117 R)
• M9: 5,397,192 km (0.115 R)
• M10: 7,621,413 km (0.107 R)
• M11: 8,531,417 km (0.108 R)
• M12: 10,508,203 km (0.094 R)
• M13: 11,031,796 km (0.111 R)
• M14: 12,005,229 km (0.048 R)
• M15: 13,844,685 km (0.096 R)
• M16: 14,544,952 km (0.115 R)
• M17: 18,739,826 km (0.094 R)
• M18: 19,079,413 km (0.057 R)
• M19: 19,946,183 km (0.097 R)
• M20: 21,572,013 km (0.066 R)
• M21: 22,799,912 km (0.057 R)
• M22: 25,188,093 km (0.026 R)
• M23: 26,548,985 km (0.106 R)
• M24: 26,977,283 km (0.074 R)
• M25: 28,625,104 km (0.077 R)
• M26: 30,455,284 km (0.114 R)
• M27: 34,095,000 km (0.078 R)
• M28: 39,108,175 km (0.091 R)
• M29: 42,661,423 km (0.029 R)
• M30: 42,954,635 km (0.114 R)
• M31: 43,693,648 km (0.096 R)
• M32: 44,893,573 km (0.106 R)
• M33: 49,589,151 km (0.062 R)
• M34: 50,238,855 km (0.074 R)
• M35: 53,233,505 km (0.115 R)
• M36: 61,422,791 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.4

Radius: 6.5

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.08 AU - 9.26 AU

Year: 15078 Days

Day: 18.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,177,306 km

• M1: 80,932 km (0.079 R)
• M2: 286,031 km (0.116 R)
• M3: 673,938 km (0.039 R)
• M4: 2,141,045 km (0.115 R)
• M5: 3,004,972 km (0.096 R)
• M6: 3,990,822 km (0.118 R)
• M7: 4,792,069 km (0.109 R)
• M8: 6,371,972 km (0.089 R)
• M9: 8,469,483 km (0.105 R)
• M10: 8,876,090 km (0.113 R)
• M11: 9,402,525 km (0.037 R)
• M12: 15,714,359 km (0.114 R)
• M13: 19,031,093 km (0.074 R)
• M14: 21,828,723 km (0.064 R)
• M15: 24,889,047 km (0.106 R)
• M16: 25,199,612 km (0.075 R)
• M17: 28,674,621 km (0.078 R)
• M18: 36,159,002 km (0.112 R)
• M19: 38,455,479 km (0.101 R)
• M20: 44,238,783 km (0.111 R)
• M21: 48,454,002 km (0.115 R)
• M22: 56,594,670 km (0.064 R)
• M23: 60,987,013 km (0.033 R)
• M24: 65,208,066 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 3.6

Gravity: 38.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.74 AU - 10.54 AU

Year: 16398 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,177,306 km

• M1: 44,730 km (0.043 R)
• M2: 167,998 km (0.116 R)
• M3: 470,336 km (0.102 R)
• M4: 845,228 km (0.075 R)
• M5: 1,801,757 km (0.079 R)
• M6: 2,622,899 km (0.117 R)
• M7: 3,017,239 km (0.057 R)
• M8: 3,370,440 km (0.093 R)
• M9: 4,342,677 km (0.045 R)
• M10: 4,531,768 km (0.044 R)
• M11: 4,759,307 km (0.051 R)
• M12: 5,859,749 km (0.103 R)
• M13: 6,248,105 km (0.043 R)
• M14: 6,862,653 km (0.03 R)
• M15: 7,119,363 km (0.051 R)
• M16: 7,250,111 km (0.101 R)
• M17: 7,743,186 km (0.107 R)
• M18: 10,604,993 km (0.067 R)
• M19: 13,360,885 km (0.09 R)
• M20: 17,808,430 km (0.058 R)
• M21: 18,211,446 km (0.098 R)
• M22: 21,749,286 km (0.038 R)
• M23: 22,024,696 km (0.039 R)
• M24: 23,726,970 km (0.054 R)
• M25: 24,411,979 km (0.109 R)
• M26: 28,800,881 km (0.105 R)
• M27: 33,565,125 km (0.082 R)
• M28: 38,292,417 km (0.05 R)
• M29: 40,053,334 km (0.079 R)
• M30: 41,023,476 km (0.104 R)
• M31: 42,722,758 km (0.104 R)
• M32: 43,010,435 km (0.056 R)
• M33: 44,616,069 km (0.073 R)
• M34: 49,355,030 km (0.082 R)
• M35: 51,438,330 km (0.093 R)
• M36: 51,600,943 km (0.111 R)
• M37: 57,686,884 km (0.052 R)
• M38: 58,038,439 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 16,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit