🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.64 AU - 0.84 AU

Year: 242 Days

Day: 37.4 Hours

Environment

Temp: 158 °C

Axial Tilt: 47 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.54 AU - 1.68 AU

Year: 778 Days

Day: 42.5 Hours

Environment

Temp: -49 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,444,321 km

• M1: 1,096,253 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.41 AU - 3.83 AU

Year: 2099 Days

Day: 36 Hours

Environment

Temp: -108 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,444,321 km

• M1: 45,927 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.9 AU - 3.42 AU

Year: 2139 Days

Day: 31.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.63 AU - 4.15 AU

Year: 2377 Days

Day: 42.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,444,321 km

• M1: 562,189 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.82 AU - 4.62 AU

Year: 2732 Days

Day: 22 Hours

Environment

Temp: -129 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.7

Radius: 8.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.93 AU - 5.85 AU

Year: 4118 Days

Day: 7 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 39,444,321 km

• M1: 223,050 km (0.103 R)
• M2: 399,726 km (0.109 R)
• M3: 562,189 km (0.092 R)
• M4: 696,677 km (0.116 R)
• M5: 772,374 km (0.033 R)
• M6: 905,366 km (0.1 R)
• M7: 1,094,608 km (0.101 R)
• M8: 1,164,021 km (0.08 R)
• M9: 1,544,748 km (0.112 R)
• M10: 1,714,541 km (0.12 R)
• M11: 1,938,489 km (0.108 R)
• M12: 2,047,995 km (0.077 R)
• M13: 2,222,276 km (0.101 R)
• M14: 2,285,855 km (0.092 R)
• M15: 2,362,749 km (0.103 R)
• M16: 2,599,113 km (0.112 R)
• M17: 3,559,532 km (0.068 R)
• M18: 3,815,494 km (0.093 R)
• M19: 4,015,356 km (0.075 R)
• M20: 4,554,208 km (0.118 R)
• M21: 4,749,732 km (0.11 R)
• M22: 4,898,433 km (0.06 R)
• M23: 5,065,234 km (0.102 R)
• M24: 5,149,458 km (0.076 R)
• M25: 5,769,092 km (0.062 R)
• M26: 5,874,708 km (0.045 R)
• M27: 5,998,725 km (0.039 R)
• M28: 6,231,350 km (0.096 R)
• M29: 6,339,659 km (0.059 R)
• M30: 6,521,719 km (0.098 R)
• M31: 6,705,575 km (0.097 R)
• M32: 7,400,307 km (0.051 R)
• M33: 7,688,433 km (0.11 R)
• M34: 8,000,045 km (0.091 R)
• M35: 8,837,345 km (0.074 R)
• M36: 10,208,559 km (0.057 R)
• M37: 10,508,054 km (0.026 R)
• M38: 10,831,933 km (0.025 R)
• M39: 11,181,094 km (0.117 R)
• M40: 12,591,802 km (0.092 R)
• M41: 12,729,133 km (0.091 R)
• M42: 13,097,593 km (0.101 R)
• M43: 13,283,094 km (0.096 R)
• M44: 13,516,317 km (0.082 R)
• M45: 13,609,965 km (0.106 R)
• M46: 14,081,498 km (0.096 R)
• M47: 14,798,820 km (0.105 R)
• M48: 14,943,630 km (0.094 R)
• M49: 15,699,848 km (0.107 R)
• M50: 15,822,967 km (0.08 R)
• M51: 15,995,752 km (0.108 R)
• M52: 16,169,435 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.37 AU - 6.49 AU

Year: 6209 Days

Day: 10.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 39,444,321 km

• M1: 165,754 km (0.087 R)
• M2: 395,088 km (0.076 R)
• M3: 590,463 km (0.114 R)
• M4: 744,549 km (0.118 R)
• M5: 890,407 km (0.074 R)
• M6: 1,279,211 km (0.113 R)
• M7: 1,749,697 km (0.08 R)
• M8: 1,934,001 km (0.027 R)
• M9: 2,222,875 km (0.107 R)
• M10: 2,339,112 km (0.051 R)
• M11: 2,612,428 km (0.111 R)
• M12: 3,023,971 km (0.116 R)
• M13: 3,379,565 km (0.062 R)
• M14: 3,630,740 km (0.094 R)
• M15: 3,928,141 km (0.117 R)
• M16: 4,090,155 km (0.084 R)
• M17: 4,213,125 km (0.03 R)
• M18: 4,337,441 km (0.112 R)
• M19: 4,526,084 km (0.108 R)
• M20: 4,632,148 km (0.091 R)
• M21: 4,738,961 km (0.096 R)
• M22: 5,086,477 km (0.112 R)
• M23: 5,308,032 km (0.081 R)
• M24: 5,532,728 km (0.054 R)
• M25: 5,714,788 km (0.113 R)
• M26: 6,534,585 km (0.099 R)
• M27: 6,678,947 km (0.047 R)
• M28: 7,667,938 km (0.056 R)
• M29: 7,973,567 km (0.094 R)
• M30: 8,309,264 km (0.082 R)
• M31: 8,439,713 km (0.082 R)
• M32: 8,623,270 km (0.114 R)
• M33: 8,728,886 km (0.114 R)
• M34: 9,698,131 km (0.115 R)
• M35: 9,835,462 km (0.041 R)
• M36: 10,112,218 km (0.117 R)
• M37: 10,195,693 km (0.118 R)
• M38: 10,279,468 km (0.037 R)
• M39: 10,363,392 km (0.106 R)
• M40: 10,729,907 km (0.113 R)
• M41: 11,417,758 km (0.032 R)
• M42: 11,913,675 km (0.113 R)
• M43: 12,090,350 km (0.039 R)
• M44: 12,327,313 km (0.051 R)
• M45: 12,446,393 km (0.037 R)
• M46: 12,655,681 km (0.097 R)
• M47: 13,382,278 km (0.12 R)
• M48: 13,905,122 km (0.034 R)
• M49: 14,465,964 km (0.117 R)
• M50: 14,812,433 km (0.054 R)
• M51: 15,129,730 km (0.086 R)
• M52: 15,835,832 km (0.091 R)
• M53: 16,783,086 km (0.114 R)
• M54: 18,458,881 km (0.096 R)
• M55: 18,595,315 km (0.059 R)
• M56: 19,977,449 km (0.119 R)
• M57: 20,293,101 km (0.097 R)
• M58: 20,469,028 km (0.108 R)
• M59: 21,428,399 km (0.091 R)
• M60: 21,679,424 km (0.113 R)
• M61: 21,823,337 km (0.089 R)
• M62: 21,931,497 km (0.117 R)
• M63: 22,076,008 km (0.083 R)
• M64: 23,022,963 km (0.108 R)
• M65: 23,280,121 km (0.119 R)
• M66: 23,427,625 km (0.072 R)
• M67: 24,843,419 km (0.103 R)
• M68: 24,956,366 km (0.046 R)
• M69: 25,182,857 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.5

Radius: 12.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.77 AU - 9.21 AU

Year: 10264 Days

Day: 13.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 39,444,321 km

• M1: 259,552 km (0.05 R)
• M2: 441,015 km (0.11 R)
• M3: 563,236 km (0.06 R)
• M4: 652,696 km (0.049 R)
• M5: 809,923 km (0.094 R)
• M6: 1,224,459 km (0.112 R)
• M7: 1,536,370 km (0.095 R)
• M8: 1,856,360 km (0.057 R)
• M9: 2,310,090 km (0.116 R)
• M10: 2,424,233 km (0.084 R)
• M11: 2,579,366 km (0.033 R)
• M12: 2,737,940 km (0.105 R)
• M13: 2,818,573 km (0.106 R)
• M14: 3,148,886 km (0.104 R)
• M15: 3,318,829 km (0.1 R)
• M16: 3,645,700 km (0.072 R)
• M17: 3,734,711 km (0.113 R)
• M18: 3,937,715 km (0.093 R)
• M19: 4,214,022 km (0.025 R)
• M20: 4,331,008 km (0.051 R)
• M21: 4,712,931 km (0.111 R)
• M22: 6,267,253 km (0.115 R)
• M23: 6,428,221 km (0.051 R)
• M24: 6,563,307 km (0.064 R)
• M25: 7,085,703 km (0.052 R)
• M26: 7,281,527 km (0.115 R)
• M27: 7,535,993 km (0.067 R)
• M28: 7,793,451 km (0.109 R)
• M29: 7,966,685 km (0.094 R)
• M30: 8,053,901 km (0.107 R)
• M31: 8,375,985 km (0.092 R)
• M32: 8,583,327 km (0.1 R)
• M33: 8,672,637 km (0.113 R)
• M34: 8,852,155 km (0.082 R)
• M35: 9,398,486 km (0.089 R)
• M36: 9,490,639 km (0.092 R)
• M37: 9,644,874 km (0.104 R)
• M38: 11,102,556 km (0.07 R)
• M39: 11,265,168 km (0.098 R)
• M40: 12,695,922 km (0.099 R)
• M41: 12,900,124 km (0.113 R)
• M42: 13,071,114 km (0.102 R)
• M43: 13,553,866 km (0.095 R)
• M44: 13,658,136 km (0.1 R)
• M45: 13,902,280 km (0.07 R)
• M46: 15,001,375 km (0.117 R)
• M47: 15,145,288 km (0.052 R)
• M48: 15,434,312 km (0.12 R)
• M49: 15,834,785 km (0.1 R)
• M50: 16,018,042 km (0.068 R)
• M51: 17,774,172 km (0.1 R)
• M52: 18,155,646 km (0.083 R)
• M53: 18,385,878 km (0.107 R)
• M54: 18,501,367 km (0.117 R)
• M55: 18,617,156 km (0.065 R)
• M56: 19,277,331 km (0.109 R)
• M57: 19,394,766 km (0.082 R)
• M58: 19,669,427 km (0.095 R)
• M59: 21,384,866 km (0.105 R)
• M60: 21,831,416 km (0.112 R)
• M61: 22,158,137 km (0.084 R)
• M62: 22,609,923 km (0.067 R)
• M63: 23,439,294 km (0.065 R)
• M64: 23,522,769 km (0.088 R)
• M65: 24,320,874 km (0.109 R)
• M66: 25,728,141 km (0.117 R)
• M67: 26,202,965 km (0.068 R)
• M68: 26,506,798 km (0.085 R)
• M69: 27,161,588 km (0.097 R)
• M70: 27,469,011 km (0.118 R)
• M71: 27,821,763 km (0.092 R)
• M72: 28,176,011 km (0.11 R)
• M73: 30,423,869 km (0.115 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 9.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.74 AU - 9.3 AU

Year: 10316 Days

Day: 13.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 39,444,321 km

• M1: 145,110 km (0.11 R)
• M2: 219,909 km (0.12 R)
• M3: 301,141 km (0.116 R)
• M4: 479,910 km (0.087 R)
• M5: 680,521 km (0.111 R)
• M6: 1,040,304 km (0.119 R)
• M7: 1,178,682 km (0.118 R)
• M8: 1,710,951 km (0.066 R)
• M9: 1,834,070 km (0.081 R)
• M10: 1,917,845 km (0.042 R)
• M11: 2,111,125 km (0.118 R)
• M12: 2,470,459 km (0.044 R)
• M13: 2,586,846 km (0.075 R)
• M14: 2,897,860 km (0.042 R)
• M15: 3,399,761 km (0.047 R)
• M16: 3,555,642 km (0.1 R)
• M17: 3,820,730 km (0.032 R)
• M18: 3,928,590 km (0.091 R)
• M19: 4,286,278 km (0.098 R)
• M20: 4,740,906 km (0.117 R)
• M21: 4,944,658 km (0.077 R)
• M22: 5,062,392 km (0.114 R)
• M23: 5,542,751 km (0.076 R)
• M24: 5,603,787 km (0.098 R)
• M25: 5,695,789 km (0.111 R)
• M26: 5,819,357 km (0.076 R)
• M27: 6,100,452 km (0.092 R)
• M28: 6,450,211 km (0.061 R)
• M29: 6,708,717 km (0.117 R)
• M30: 7,069,696 km (0.063 R)
• M31: 7,538,386 km (0.092 R)
• M32: 7,948,135 km (0.061 R)
• M33: 8,051,657 km (0.084 R)
• M34: 8,190,483 km (0.112 R)
• M35: 8,295,052 km (0.108 R)
• M36: 8,470,381 km (0.085 R)
• M37: 8,647,056 km (0.1 R)
• M38: 8,932,190 km (0.074 R)
• M39: 9,843,091 km (0.104 R)
• M40: 10,517,030 km (0.086 R)
• M41: 11,128,735 km (0.095 R)
• M42: 11,988,624 km (0.096 R)
• M43: 13,482,508 km (0.08 R)
• M44: 13,854,708 km (0.116 R)
• M45: 13,979,622 km (0.101 R)
• M46: 15,205,427 km (0.044 R)
• M47: 16,333,544 km (0.099 R)
• M48: 16,863,270 km (0.11 R)
• M49: 17,488,440 km (0.115 R)
• M50: 19,084,350 km (0.055 R)
• M51: 19,316,077 km (0.106 R)
• M52: 21,107,960 km (0.115 R)
• M53: 21,251,724 km (0.086 R)
• M54: 22,510,889 km (0.102 R)
• M55: 23,100,155 km (0.036 R)
• M56: 23,744,324 km (0.08 R)
• M57: 23,893,772 km (0.061 R)
• M58: 24,999,599 km (0.079 R)
• M59: 26,534,174 km (0.077 R)
• M60: 27,365,190 km (0.096 R)
• M61: 27,678,897 km (0.075 R)
• M62: 28,468,624 km (0.096 R)
• M63: 28,733,562 km (0.087 R)
• M64: 29,854,948 km (0.043 R)
• M65: 30,016,364 km (0.115 R)
• M66: 30,285,939 km (0.1 R)
• M67: 30,556,412 km (0.063 R)
• M68: 32,250,758 km (0.1 R)
• M69: 32,970,324 km (0.117 R)
• M70: 33,863,273 km (0.119 R)
• M71: 34,651,056 km (0.072 R)
• M72: 35,160,736 km (0.119 R)
• M73: 35,274,280 km (0.093 R)
• M74: 36,187,575 km (0.064 R)
• M75: 36,302,167 km (0.097 R)
• M76: 36,531,950 km (0.078 R)
• M77: 36,646,990 km (0.065 R)
• M78: 36,992,861 km (0.12 R)
• M79: 38,153,740 km (0.092 R)
• M80: 38,562,741 km (0.116 R)
• M81: 38,738,518 km (0.056 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: 423 - 11,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit