🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.58 AU - 0.62 AU

Year: 171 Days

Day: 30.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,036,363 km

• M1: 393,442 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.56 AU - 0.7 AU

Year: 184 Days

Day: 13.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,036,363 km

• M1: 36,203 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.23 AU - 1.57 AU

Year: 608 Days

Day: 33.8 Hours

Environment

Temp: -22 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.29 AU - 3.13 AU

Year: 1638 Days

Day: 18.7 Hours

Environment

Temp: -88 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,036,363 km

• M1: 779,106 km (0.114 R)
• M2: 1,089,671 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.71 AU - 3.79 AU

Year: 2666 Days

Day: 19.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 88.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 9.7

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.04 AU - 7.14 AU

Year: 6210 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 76,036,363 km

• M1: 157,377 km (0.09 R)
• M2: 607,966 km (0.077 R)
• M3: 876,045 km (0.079 R)
• M4: 1,048,083 km (0.116 R)
• M5: 1,113,607 km (0.077 R)
• M6: 1,197,531 km (0.095 R)
• M7: 1,611,319 km (0.11 R)
• M8: 2,172,161 km (0.064 R)
• M9: 2,299,918 km (0.034 R)
• M10: 3,584,215 km (0.06 R)
• M11: 3,889,694 km (0.098 R)
• M12: 4,203,700 km (0.09 R)
• M13: 4,390,548 km (0.102 R)
• M14: 4,800,596 km (0.037 R)
• M15: 5,052,518 km (0.093 R)
• M16: 6,529,648 km (0.111 R)
• M17: 6,591,432 km (0.061 R)
• M18: 7,029,006 km (0.08 R)
• M19: 7,540,481 km (0.113 R)
• M20: 7,800,931 km (0.076 R)
• M21: 8,097,284 km (0.117 R)
• M22: 8,263,637 km (0.113 R)
• M23: 8,599,634 km (0.092 R)
• M24: 9,043,042 km (0.101 R)
• M25: 9,112,006 km (0.088 R)
• M26: 9,181,121 km (0.111 R)
• M27: 9,494,079 km (0.069 R)
• M28: 9,564,091 km (0.075 R)
• M29: 9,810,628 km (0.105 R)
• M30: 10,854,074 km (0.111 R)
• M31: 11,370,485 km (0.116 R)
• M32: 11,556,735 km (0.095 R)
• M33: 12,046,069 km (0.115 R)
• M34: 12,274,206 km (0.073 R)
• M35: 12,503,689 km (0.093 R)
• M36: 13,006,039 km (0.117 R)
• M37: 13,751,934 km (0.101 R)
• M38: 13,831,221 km (0.104 R)
• M39: 14,471,350 km (0.112 R)
• M40: 14,632,916 km (0.1 R)
• M41: 14,876,311 km (0.105 R)
• M42: 15,614,727 km (0.109 R)
• M43: 15,946,684 km (0.119 R)
• M44: 17,255,217 km (0.099 R)
• M45: 17,814,114 km (0.1 R)
• M46: 19,526,412 km (0.036 R)
• M47: 20,108,796 km (0.11 R)
• M48: 20,696,865 km (0.113 R)
• M49: 21,658,780 km (0.097 R)
• M50: 22,963,872 km (0.073 R)
• M51: 23,246,911 km (0.113 R)
• M52: 23,530,997 km (0.088 R)
• M53: 24,342,416 km (0.108 R)
• M54: 25,503,295 km (0.113 R)
• M55: 25,698,521 km (0.096 R)
• M56: 26,090,617 km (0.096 R)
• M57: 26,238,120 km (0.073 R)
• M58: 28,382,755 km (0.072 R)
• M59: 29,195,072 km (0.091 R)
• M60: 29,399,273 km (0.088 R)
• M61: 29,552,760 km (0.115 R)
• M62: 30,427,758 km (0.094 R)
• M63: 30,583,041 km (0.074 R)
• M64: 31,050,534 km (0.106 R)
• M65: 31,154,654 km (0.064 R)
• M66: 32,308,503 km (0.111 R)
• M67: 32,943,845 km (0.057 R)
• M68: 34,496,072 km (0.114 R)
• M69: 34,874,256 km (0.063 R)
• M70: 35,362,693 km (0.107 R)
• M71: 35,907,827 km (0.079 R)
• M72: 36,291,247 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 13.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.58 AU - 12.26 AU

Year: 13247 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 76,036,363 km

• M1: 171,290 km (0.042 R)
• M2: 258,056 km (0.083 R)
• M3: 719,117 km (0.089 R)
• M4: 824,434 km (0.088 R)
• M5: 922,869 km (0.047 R)
• M6: 1,404,574 km (0.075 R)
• M7: 1,649,616 km (0.099 R)
• M8: 2,095,417 km (0.077 R)
• M9: 2,252,495 km (0.088 R)
• M10: 2,504,867 km (0.114 R)
• M11: 2,653,268 km (0.083 R)
• M12: 2,766,513 km (0.107 R)
• M13: 2,939,598 km (0.113 R)
• M14: 3,156,066 km (0.086 R)
• M15: 3,337,229 km (0.088 R)
• M16: 3,460,049 km (0.087 R)
• M17: 3,731,120 km (0.068 R)
• M18: 3,837,335 km (0.117 R)
• M19: 4,031,064 km (0.087 R)
• M20: 4,118,280 km (0.094 R)
• M21: 4,631,849 km (0.116 R)
• M22: 4,792,218 km (0.086 R)
• M23: 5,071,667 km (0.043 R)
• M24: 5,524,949 km (0.107 R)
• M25: 6,141,441 km (0.1 R)
• M26: 7,306,061 km (0.077 R)
• M27: 8,341,876 km (0.063 R)
• M28: 8,848,714 km (0.074 R)
• M29: 8,962,708 km (0.118 R)
• M30: 9,365,425 km (0.101 R)
• M31: 10,518,825 km (0.104 R)
• M32: 10,700,287 km (0.102 R)
• M33: 10,882,796 km (0.109 R)
• M34: 10,974,350 km (0.091 R)
• M35: 11,312,591 km (0.03 R)
• M36: 11,436,458 km (0.113 R)
• M37: 11,623,156 km (0.112 R)
• M38: 11,873,433 km (0.063 R)
• M39: 12,316,093 km (0.117 R)
• M40: 12,796,153 km (0.033 R)
• M41: 12,990,032 km (0.106 R)
• M42: 13,152,196 km (0.106 R)
• M43: 13,478,768 km (0.05 R)
• M44: 13,907,366 km (0.103 R)
• M45: 14,407,322 km (0.077 R)
• M46: 15,151,422 km (0.075 R)
• M47: 15,253,896 km (0.058 R)
• M48: 15,459,444 km (0.118 R)
• M49: 15,597,074 km (0.12 R)
• M50: 15,700,446 km (0.104 R)
• M51: 16,081,771 km (0.079 R)
• M52: 16,677,021 km (0.092 R)
• M53: 17,315,056 km (0.097 R)
• M54: 17,565,483 km (0.096 R)
• M55: 18,069,777 km (0.034 R)
• M56: 18,323,645 km (0.086 R)
• M57: 18,505,855 km (0.113 R)
• M58: 18,871,921 km (0.091 R)
• M59: 19,462,533 km (0.102 R)
• M60: 19,722,834 km (0.078 R)
• M61: 20,171,777 km (0.098 R)
• M62: 20,359,971 km (0.113 R)
• M63: 20,586,313 km (0.03 R)
• M64: 21,462,208 km (0.114 R)
• M65: 21,577,398 km (0.087 R)
• M66: 22,001,359 km (0.107 R)
• M67: 22,194,938 km (0.106 R)
• M68: 22,935,897 km (0.057 R)
• M69: 23,053,630 km (0.055 R)
• M70: 23,645,439 km (0.073 R)
• M71: 23,804,013 km (0.1 R)
• M72: 24,442,198 km (0.092 R)
• M73: 24,723,143 km (0.108 R)
• M74: 25,288,174 km (0.051 R)
• M75: 25,653,791 km (0.119 R)
• M76: 26,843,543 km (0.072 R)
• M77: 27,174,902 km (0.101 R)
• M78: 27,674,559 km (0.03 R)
• M79: 27,967,472 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.8

Radius: 7.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 16.56 AU - 20.82 AU

Year: 29661 Days

Day: 15.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 76,036,363 km

• M1: 118,930 km (0.078 R)
• M2: 204,650 km (0.087 R)
• M3: 306,825 km (0.073 R)
• M4: 356,941 km (0.104 R)
• M5: 722,558 km (0.104 R)
• M6: 915,838 km (0.088 R)
• M7: 1,292,974 km (0.114 R)
• M8: 1,379,741 km (0.097 R)
• M9: 1,778,270 km (0.072 R)
• M10: 1,974,094 km (0.069 R)
• M11: 2,108,432 km (0.084 R)
• M12: 3,248,967 km (0.102 R)
• M13: 3,368,046 km (0.118 R)
• M14: 3,775,701 km (0.082 R)
• M15: 4,726,395 km (0.042 R)
• M16: 4,998,065 km (0.092 R)
• M17: 5,843,442 km (0.073 R)
• M18: 7,348,247 km (0.025 R)
• M19: 7,557,684 km (0.1 R)
• M20: 8,305,674 km (0.112 R)
• M21: 8,798,898 km (0.081 R)
• M22: 9,245,448 km (0.114 R)
• M23: 9,528,188 km (0.112 R)
• M24: 10,102,344 km (0.08 R)
• M25: 10,924,833 km (0.119 R)
• M26: 11,044,063 km (0.08 R)
• M27: 11,283,868 km (0.061 R)
• M28: 11,344,156 km (0.057 R)
• M29: 11,404,444 km (0.073 R)
• M30: 11,952,271 km (0.105 R)
• M31: 12,695,922 km (0.109 R)
• M32: 13,710,794 km (0.037 R)
• M33: 14,488,853 km (0.104 R)
• M34: 15,347,844 km (0.099 R)
• M35: 15,414,714 km (0.117 R)
• M36: 15,749,963 km (0.118 R)
• M37: 16,223,291 km (0.096 R)
• M38: 16,291,358 km (0.118 R)
• M39: 16,496,008 km (0.098 R)
• M40: 17,115,044 km (0.102 R)
• M41: 17,462,111 km (0.119 R)
• M42: 18,234,036 km (0.106 R)
• M43: 18,446,614 km (0.076 R)
• M44: 19,017,181 km (0.105 R)
• M45: 19,160,645 km (0.045 R)
• M46: 19,304,558 km (0.112 R)
• M47: 19,376,664 km (0.089 R)
• M48: 19,883,801 km (0.036 R)
• M49: 20,542,331 km (0.101 R)
• M50: 22,106,377 km (0.11 R)
• M51: 23,785,613 km (0.101 R)
• M52: 25,347,564 km (0.098 R)
• M53: 27,023,060 km (0.032 R)
• M54: 28,078,024 km (0.034 R)
• M55: 30,815,965 km (0.09 R)
• M56: 30,984,561 km (0.056 R)
• M57: 31,322,802 km (0.057 R)
• M58: 31,747,361 km (0.12 R)
• M59: 33,032,257 km (0.065 R)
• M60: 33,118,575 km (0.099 R)
• M61: 33,377,828 km (0.082 R)
• M62: 34,246,842 km (0.095 R)
• M63: 34,771,931 km (0.107 R)
• M64: 35,652,763 km (0.064 R)
• M65: 37,256,901 km (0.086 R)
• M66: 38,248,735 km (0.079 R)
• M67: 38,611,510 km (0.114 R)
• M68: 39,340,650 km (0.092 R)
• M69: 40,166,280 km (0.114 R)
• M70: 41,927,945 km (0.04 R)
• M71: 43,242,162 km (0.029 R)
• M72: 43,525,500 km (0.076 R)
• M73: 44,665,137 km (0.096 R)
• M74: 45,910,689 km (0.096 R)
• M75: 46,199,862 km (0.111 R)
• M76: 47,946,866 km (0.112 R)
• M77: 48,632,173 km (0.087 R)
• M78: 49,123,602 km (0.083 R)
• M79: 49,517,942 km (0.062 R)
• M80: 51,605,581 km (0.076 R)
• M81: 53,518,937 km (0.043 R)
• M82: 54,841,383 km (0.104 R)
• M83: 55,148,208 km (0.073 R)
• M84: 56,277,672 km (0.063 R)
• M85: 56,380,745 km (0.056 R)
• M86: 58,142,409 km (0.033 R)
• M87: 61,719,444 km (0.111 R)
• M88: 62,785,030 km (0.077 R)
• M89: 62,891,992 km (0.103 R)
• M90: 63,427,403 km (0.109 R)
• M91: 66,562,226 km (0.064 R)
• M92: 69,084,147 km (0.089 R)
• M93: 69,304,954 km (0.103 R)
• M94: 70,523,428 km (0.061 R)
• M95: 70,856,882 km (0.095 R)
• M96: 71,302,534 km (0.091 R)
• M97: 74,900,064 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 11,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit