🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882

Radius: 12.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.91 AU - 1.43 AU

Year: 817 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,455,908 km

• M1: 159,172 km (0.053 R)
• M2: 689,197 km (0.081 R)
• M3: 1,234,182 km (0.09 R)
• M4: 2,113,070 km (0.113 R)
• M5: 2,727,319 km (0.107 R)
• M6: 4,073,700 km (0.117 R)
• M7: 4,814,359 km (0.115 R)
• M8: 5,702,820 km (0.106 R)
• M9: 6,946,428 km (0.102 R)
• M10: 7,438,904 km (0.111 R)
• M11: 8,259,897 km (0.051 R)
• M12: 9,168,106 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.3

Radius: 11.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1 AU - 1.5 AU

Year: 902 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,455,908 km

• M1: 146,756 km (0.107 R)
• M2: 547,678 km (0.071 R)
• M3: 915,389 km (0.111 R)
• M4: 1,450,950 km (0.116 R)
• M5: 1,895,405 km (0.077 R)
• M6: 2,642,198 km (0.099 R)
• M7: 3,477,851 km (0.113 R)
• M8: 3,897,473 km (0.103 R)
• M9: 4,700,963 km (0.117 R)
• M10: 5,070,021 km (0.1 R)
• M11: 5,669,909 km (0.082 R)
• M12: 6,811,490 km (0.102 R)
• M13: 7,448,777 km (0.086 R)
• M14: 8,300,887 km (0.118 R)
• M15: 8,685,353 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 10.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.74 AU - 2 AU

Year: 1651 Days

Day: 10.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,455,908 km

• M1: 128,205 km (0.061 R)
• M2: 530,175 km (0.098 R)
• M3: 906,264 km (0.116 R)
• M4: 1,471,445 km (0.105 R)
• M5: 1,875,957 km (0.097 R)
• M6: 2,222,725 km (0.063 R)
• M7: 2,582,059 km (0.079 R)
• M8: 3,094,582 km (0.105 R)
• M9: 4,639,030 km (0.081 R)
• M10: 5,747,101 km (0.072 R)
• M11: 6,128,426 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.94 AU - 2.06 AU

Year: 1826 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,455,908 km

• M1: 99,483 km (0.078 R)
• M2: 442,511 km (0.084 R)
• M3: 1,063,790 km (0.118 R)
• M4: 1,389,615 km (0.112 R)
• M5: 1,646,325 km (0.109 R)
• M6: 2,199,537 km (0.056 R)
• M7: 2,577,123 km (0.09 R)
• M8: 3,172,372 km (0.12 R)
• M9: 3,754,907 km (0.057 R)
• M10: 4,063,228 km (0.116 R)
• M11: 4,888,709 km (0.118 R)
• M12: 5,215,131 km (0.111 R)
• M13: 6,259,025 km (0.085 R)
• M14: 7,020,030 km (0.042 R)
• M15: 7,542,725 km (0.082 R)
• M16: 8,147,399 km (0.114 R)
• M17: 8,843,478 km (0.027 R)
• M18: 9,896,647 km (0.091 R)
• M19: 10,221,723 km (0.055 R)
• M20: 10,824,902 km (0.097 R)
• M21: 11,451,567 km (0.052 R)
• M22: 11,810,004 km (0.059 R)
• M23: 12,175,920 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.1

Radius: 10.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.93 AU - 2.35 AU

Year: 2021 Days

Day: 13.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,455,908 km

• M1: 125,662 km (0.107 R)
• M2: 630,405 km (0.086 R)
• M3: 1,063,940 km (0.116 R)
• M4: 1,489,696 km (0.113 R)
• M5: 1,940,584 km (0.077 R)
• M6: 2,398,054 km (0.059 R)
• M7: 2,884,845 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.61 AU - 5.53 AU

Year: 7371 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,455,908 km

• M1: 155,432 km (0.038 R)
• M2: 663,317 km (0.111 R)
• M3: 1,132,456 km (0.118 R)
• M4: 1,661,733 km (0.074 R)
• M5: 2,982,832 km (0.051 R)
• M6: 3,403,501 km (0.025 R)
• M7: 3,839,878 km (0.049 R)
• M8: 4,392,044 km (0.105 R)
• M9: 4,882,725 km (0.035 R)
• M10: 6,040,313 km (0.096 R)
• M11: 7,523,576 km (0.117 R)
• M12: 8,681,164 km (0.103 R)
• M13: 9,635,898 km (0.105 R)
• M14: 10,659,447 km (0.117 R)
• M15: 12,812,908 km (0.051 R)
• M16: 13,704,960 km (0.11 R)
• M17: 16,052,600 km (0.1 R)
• M18: 17,489,337 km (0.114 R)
• M19: 19,439,645 km (0.094 R)
• M20: 23,685,980 km (0.091 R)
• M21: 26,688,559 km (0.076 R)
• M22: 27,137,353 km (0.057 R)
• M23: 28,982,792 km (0.054 R)
• M24: 34,487,695 km (0.06 R)
• M25: 36,211,212 km (0.052 R)
• M26: 37,094,288 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.5

Radius: 5.7

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.03 AU - 7.65 AU

Year: 11550 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,455,908 km

• M1: 71,059 km (0.119 R)
• M2: 398,978 km (0.108 R)
• M3: 906,413 km (0.091 R)
• M4: 2,182,783 km (0.084 R)
• M5: 3,508,220 km (0.053 R)
• M6: 4,012,514 km (0.113 R)
• M7: 5,098,595 km (0.025 R)
• M8: 5,330,621 km (0.045 R)
• M9: 6,598,313 km (0.105 R)
• M10: 7,533,300 km (0.107 R)
• M11: 9,364,677 km (0.072 R)
• M12: 10,174,002 km (0.087 R)
• M13: 10,702,830 km (0.032 R)
• M14: 11,083,706 km (0.12 R)
• M15: 11,930,580 km (0.118 R)
• M16: 14,332,822 km (0.118 R)
• M17: 16,747,332 km (0.063 R)
• M18: 17,409,452 km (0.106 R)
• M19: 18,088,776 km (0.054 R)
• M20: 20,398,268 km (0.078 R)
• M21: 23,895,866 km (0.09 R)
• M22: 26,371,711 km (0.102 R)
• M23: 27,267,204 km (0.025 R)
• M24: 27,875,319 km (0.086 R)
• M25: 28,492,410 km (0.099 R)
• M26: 35,411,761 km (0.118 R)
• M27: 39,257,024 km (0.086 R)
• M28: 42,689,548 km (0.093 R)
• M29: 45,320,675 km (0.064 R)
• M30: 47,764,805 km (0.085 R)
• M31: 49,242,832 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.5

Radius: 7.9

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.01 AU - 8.43 AU

Year: 15217 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,455,908 km

• M1: 98,286 km (0.064 R)
• M2: 416,480 km (0.094 R)
• M3: 924,365 km (0.096 R)
• M4: 1,382,883 km (0.094 R)
• M5: 2,841,312 km (0.07 R)
• M6: 3,364,755 km (0.079 R)
• M7: 3,757,450 km (0.114 R)
• M8: 4,064,574 km (0.066 R)
• M9: 5,499,816 km (0.082 R)
• M10: 6,351,178 km (0.087 R)
• M11: 6,707,221 km (0.097 R)
• M12: 7,946,190 km (0.086 R)
• M13: 9,280,753 km (0.091 R)
• M14: 9,533,872 km (0.036 R)
• M15: 11,728,772 km (0.112 R)
• M16: 15,835,832 km (0.091 R)
• M17: 18,487,305 km (0.113 R)
• M18: 22,042,947 km (0.117 R)
• M19: 25,137,828 km (0.119 R)
• M20: 28,086,851 km (0.087 R)
• M21: 29,154,979 km (0.101 R)
• M22: 35,765,859 km (0.111 R)
• M23: 38,433,488 km (0.051 R)
• M24: 42,054,505 km (0.105 R)
• M25: 47,827,337 km (0.081 R)
• M26: 49,811,453 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.8

Radius: 7.3

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.66 AU - 9.74 AU

Year: 16569 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,455,908 km

• M1: 92,302 km (0.085 R)
• M2: 329,714 km (0.117 R)
• M3: 854,204 km (0.077 R)
• M4: 1,456,784 km (0.117 R)
• M5: 3,776,149 km (0.107 R)
• M6: 4,176,025 km (0.096 R)
• M7: 6,266,356 km (0.079 R)
• M8: 8,543,385 km (0.078 R)
• M9: 10,336,315 km (0.113 R)
• M10: 11,940,752 km (0.111 R)
• M11: 19,657,459 km (0.112 R)
• M12: 24,489,919 km (0.078 R)
• M13: 36,750,363 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.8

Radius: 4.2

Gravity: 32.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.47 AU - 10.27 AU

Year: 18519 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,455,908 km

• M1: 52,210 km (0.093 R)
• M2: 337,642 km (0.101 R)
• M3: 731,982 km (0.104 R)
• M4: 1,296,565 km (0.109 R)
• M5: 1,880,744 km (0.094 R)
• M6: 2,210,608 km (0.055 R)
• M7: 3,138,414 km (0.1 R)
• M8: 5,415,293 km (0.106 R)
• M9: 5,605,432 km (0.056 R)
• M10: 6,710,362 km (0.113 R)
• M11: 7,759,791 km (0.106 R)
• M12: 7,952,922 km (0.051 R)
• M13: 9,019,704 km (0.087 R)
• M14: 10,064,047 km (0.086 R)
• M15: 11,370,934 km (0.105 R)
• M16: 12,000,741 km (0.113 R)
• M17: 15,502,379 km (0.043 R)
• M18: 16,197,560 km (0.091 R)
• M19: 16,994,019 km (0.069 R)
• M20: 17,238,013 km (0.105 R)
• M21: 18,067,982 km (0.047 R)
• M22: 22,916,599 km (0.096 R)
• M23: 23,214,298 km (0.082 R)
• M24: 29,961,462 km (0.111 R)
• M25: 32,638,366 km (0.116 R)
• M26: 33,395,181 km (0.084 R)
• M27: 33,906,208 km (0.115 R)
• M28: 35,735,640 km (0.077 R)
• M29: 36,136,114 km (0.109 R)
• M30: 39,306,093 km (0.074 R)
• M31: 49,256,595 km (0.11 R)
• M32: 49,421,452 km (0.06 R)
• M33: 57,230,610 km (0.06 R)
• M34: 60,760,671 km (0.102 R)
• M35: 61,331,088 km (0.113 R)
• M36: 63,843,734 km (0.117 R)
• M37: 65,423,637 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 14,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit