🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 22.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,316,926 km

• M1: 252,671 km (0.11 R)
• M2: 306,825 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.56 AU

Year: 242 Days

Day: 31.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,316,926 km

• M1: 81,830 km (0.111 R)
• M2: 243,994 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.42 AU - 0.62 AU

Year: 242 Days

Day: 47.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.52 AU - 0.58 AU

Year: 263 Days

Day: 29 Hours

Environment

Temp: -122 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.65 AU - 0.95 AU

Year: 462 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,316,926 km

• M1: 190,887 km (0.074 R)
• M2: 283,039 km (0.095 R)
• M3: 394,938 km (0.084 R)
• M4: 501,751 km (0.096 R)
• M5: 599,738 km (0.084 R)
• M6: 765,044 km (0.037 R)
• M7: 865,573 km (0.116 R)
• M8: 1,047,783 km (0.115 R)
• M9: 1,194,389 km (0.114 R)
• M10: 1,348,326 km (0.05 R)
• M11: 1,445,564 km (0.081 R)
• M12: 1,599,800 km (0.092 R)
• M13: 1,695,991 km (0.092 R)
• M14: 2,112,771 km (0.045 R)
• M15: 2,231,402 km (0.118 R)
• M16: 2,339,860 km (0.117 R)
• M17: 2,475,695 km (0.118 R)
• M18: 2,662,693 km (0.05 R)
• M19: 2,818,274 km (0.092 R)
• M20: 3,036,986 km (0.11 R)
• M21: 3,171,774 km (0.114 R)
• M22: 3,299,231 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 12

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.23 AU - 1.99 AU

Year: 1319 Days

Day: 9.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 28,316,926 km

• M1: 150,795 km (0.084 R)
• M2: 241,601 km (0.087 R)
• M3: 322,533 km (0.094 R)
• M4: 431,889 km (0.074 R)
• M5: 523,593 km (0.083 R)
• M6: 660,475 km (0.081 R)
• M7: 781,948 km (0.053 R)
• M8: 911,799 km (0.12 R)
• M9: 1,004,849 km (0.082 R)
• M10: 1,127,669 km (0.055 R)
• M11: 1,214,884 km (0.114 R)
• M12: 1,290,581 km (0.113 R)
• M13: 1,418,188 km (0.116 R)
• M14: 1,550,133 km (0.111 R)
• M15: 1,632,861 km (0.11 R)
• M16: 1,748,201 km (0.1 R)
• M17: 1,826,740 km (0.099 R)
• M18: 1,987,557 km (0.11 R)
• M19: 2,314,728 km (0.07 R)
• M20: 2,454,003 km (0.072 R)
• M21: 2,632,175 km (0.092 R)
• M22: 2,787,008 km (0.101 R)
• M23: 2,888,884 km (0.115 R)
• M24: 3,067,804 km (0.074 R)
• M25: 3,173,120 km (0.112 R)
• M26: 3,269,910 km (0.101 R)
• M27: 3,397,218 km (0.086 R)
• M28: 3,516,298 km (0.073 R)
• M29: 3,748,474 km (0.101 R)
• M30: 3,902,709 km (0.041 R)
• M31: 3,996,208 km (0.086 R)
• M32: 4,079,983 km (0.027 R)
• M33: 4,421,066 km (0.109 R)
• M34: 4,771,424 km (0.094 R)
• M35: 4,938,824 km (0.117 R)
• M36: 5,142,277 km (0.045 R)
• M37: 5,476,030 km (0.081 R)
• M38: 5,581,048 km (0.115 R)
• M39: 6,007,850 km (0.119 R)
• M40: 6,152,512 km (0.07 R)
• M41: 6,249,601 km (0.065 R)
• M42: 6,581,110 km (0.1 R)
• M43: 6,805,357 km (0.114 R)
• M44: 7,108,292 km (0.051 R)
• M45: 7,261,331 km (0.105 R)
• M46: 7,402,701 km (0.087 R)
• M47: 7,506,073 km (0.088 R)
• M48: 7,622,909 km (0.118 R)
• M49: 8,056,743 km (0.058 R)
• M50: 8,471,578 km (0.105 R)
• M51: 8,552,660 km (0.089 R)
• M52: 8,634,041 km (0.061 R)
• M53: 8,783,938 km (0.119 R)
• M54: 8,865,918 km (0.118 R)
• M55: 8,962,109 km (0.049 R)
• M56: 9,183,065 km (0.09 R)
• M57: 9,363,929 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 14.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.84 AU - 3.08 AU

Year: 3288 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 28,316,926 km

• M1: 181,163 km (0.111 R)
• M2: 273,315 km (0.102 R)
• M3: 445,502 km (0.077 R)
• M4: 785,838 km (0.101 R)
• M5: 879,037 km (0.074 R)
• M6: 1,055,413 km (0.082 R)
• M7: 1,160,281 km (0.076 R)
• M8: 1,281,306 km (0.052 R)
• M9: 1,590,375 km (0.059 R)
• M10: 1,852,470 km (0.119 R)
• M11: 1,967,212 km (0.081 R)
• M12: 2,069,537 km (0.036 R)
• M13: 2,280,021 km (0.083 R)
• M14: 2,561,415 km (0.119 R)
• M15: 2,755,294 km (0.109 R)
• M16: 3,038,632 km (0.089 R)
• M17: 3,227,125 km (0.116 R)
• M18: 3,472,915 km (0.116 R)
• M19: 3,670,234 km (0.096 R)
• M20: 3,982,744 km (0.085 R)
• M21: 4,095,242 km (0.111 R)
• M22: 4,246,784 km (0.096 R)
• M23: 4,439,018 km (0.111 R)
• M24: 4,772,322 km (0.066 R)
• M25: 4,972,334 km (0.073 R)
• M26: 5,298,158 km (0.092 R)
• M27: 5,736,480 km (0.059 R)
• M28: 6,078,311 km (0.089 R)
• M29: 6,383,042 km (0.072 R)
• M30: 6,515,286 km (0.11 R)
• M31: 7,327,453 km (0.1 R)
• M32: 7,558,732 km (0.114 R)
• M33: 7,910,287 km (0.115 R)
• M34: 8,997,115 km (0.052 R)
• M35: 9,095,999 km (0.087 R)
• M36: 9,195,332 km (0.108 R)
• M37: 9,470,144 km (0.103 R)
• M38: 9,570,673 km (0.098 R)
• M39: 9,849,374 km (0.12 R)
• M40: 10,130,618 km (0.1 R)
• M41: 10,492,495 km (0.064 R)
• M42: 11,442,442 km (0.086 R)
• M43: 11,927,887 km (0.082 R)
• M44: 12,063,871 km (0.108 R)
• M45: 12,227,831 km (0.076 R)
• M46: 12,585,519 km (0.077 R)
• M47: 12,807,373 km (0.069 R)
• M48: 13,424,315 km (0.115 R)
• M49: 13,764,799 km (0.085 R)
• M50: 14,281,062 km (0.107 R)
• M51: 14,454,595 km (0.056 R)
• M52: 14,950,063 km (0.082 R)
• M53: 15,185,081 km (0.096 R)
• M54: 15,451,066 km (0.118 R)
• M55: 15,867,846 km (0.102 R)
• M56: 16,077,582 km (0.104 R)
• M57: 16,227,928 km (0.114 R)
• M58: 16,348,654 km (0.057 R)
• M59: 16,560,484 km (0.098 R)
• M60: 16,834,248 km (0.117 R)
• M61: 17,078,991 km (0.088 R)
• M62: 18,038,062 km (0.073 R)
• M63: 18,131,711 km (0.1 R)
• M64: 18,887,629 km (0.03 R)
• M65: 19,078,216 km (0.105 R)
• M66: 19,301,416 km (0.103 R)
• M67: 19,782,523 km (0.111 R)
• M68: 20,691,181 km (0.054 R)
• M69: 20,953,276 km (0.092 R)
• M70: 21,084,773 km (0.077 R)
• M71: 21,216,568 km (0.087 R)
• M72: 22,079,599 km (0.11 R)
• M73: 22,213,489 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 11.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.45 AU - 3.95 AU

Year: 3696 Days

Day: 12.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 28,316,926 km

• M1: 150,196 km (0.066 R)
• M2: 304,282 km (0.068 R)
• M3: 485,744 km (0.118 R)
• M4: 580,141 km (0.088 R)
• M5: 841,937 km (0.091 R)
• M6: 1,078,002 km (0.101 R)
• M7: 1,200,972 km (0.102 R)
• M8: 2,038,121 km (0.056 R)
• M9: 2,168,122 km (0.097 R)
• M10: 2,267,455 km (0.067 R)
• M11: 2,427,973 km (0.117 R)
• M12: 2,583,555 km (0.063 R)
• M13: 3,277,241 km (0.082 R)
• M14: 3,430,429 km (0.09 R)
• M15: 3,704,492 km (0.059 R)
• M16: 3,884,458 km (0.097 R)
• M17: 4,026,427 km (0.088 R)
• M18: 4,816,603 km (0.119 R)
• M19: 4,936,580 km (0.072 R)
• M20: 5,179,377 km (0.064 R)
• M21: 5,448,953 km (0.061 R)
• M22: 5,539,759 km (0.079 R)
• M23: 5,792,280 km (0.066 R)
• M24: 6,131,119 km (0.11 R)
• M25: 6,440,338 km (0.039 R)
• M26: 6,548,497 km (0.056 R)
• M27: 6,718,141 km (0.085 R)
• M28: 6,827,946 km (0.112 R)
• M29: 6,962,883 km (0.064 R)
• M30: 7,098,868 km (0.118 R)
• M31: 7,499,341 km (0.035 R)
• M32: 7,715,061 km (0.11 R)
• M33: 7,842,968 km (0.106 R)
• M34: 8,088,009 km (0.051 R)
• M35: 8,798,000 km (0.08 R)
• M36: 8,904,813 km (0.117 R)
• M37: 9,093,007 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 8.7

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.14 AU - 5.62 AU

Year: 6961 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 28,316,926 km

• M1: 140,772 km (0.114 R)
• M2: 254,765 km (0.104 R)
• M3: 342,430 km (0.114 R)
• M4: 423,512 km (0.088 R)
• M5: 512,522 km (0.106 R)
• M6: 687,552 km (0.092 R)
• M7: 857,196 km (0.091 R)
• M8: 1,054,216 km (0.061 R)
• M9: 1,193,941 km (0.119 R)
• M10: 1,310,178 km (0.098 R)
• M11: 1,384,827 km (0.115 R)
• M12: 1,665,772 km (0.106 R)
• M13: 1,763,460 km (0.078 R)
• M14: 1,947,465 km (0.068 R)
• M15: 2,688,274 km (0.094 R)
• M16: 2,979,391 km (0.068 R)
• M17: 3,098,770 km (0.095 R)
• M18: 3,260,336 km (0.108 R)
• M19: 3,424,894 km (0.098 R)
• M20: 4,065,771 km (0.087 R)
• M21: 4,310,064 km (0.034 R)
• M22: 4,513,517 km (0.115 R)
• M23: 4,627,960 km (0.079 R)
• M24: 4,883,174 km (0.106 R)
• M25: 5,024,244 km (0.069 R)
• M26: 5,095,303 km (0.111 R)
• M27: 5,190,597 km (0.07 R)
• M28: 6,226,712 km (0.079 R)
• M29: 6,405,482 km (0.091 R)
• M30: 6,978,591 km (0.089 R)
• M31: 7,351,838 km (0.082 R)
• M32: 7,813,796 km (0.058 R)
• M33: 7,868,848 km (0.07 R)
• M34: 8,397,527 km (0.118 R)
• M35: 8,851,556 km (0.086 R)
• M36: 9,110,660 km (0.112 R)
• M37: 9,372,157 km (0.072 R)
• M38: 10,503,267 km (0.117 R)
• M39: 10,655,258 km (0.117 R)
• M40: 11,239,737 km (0.033 R)
• M41: 11,551,648 km (0.115 R)
• M42: 11,992,962 km (0.119 R)
• M43: 12,056,392 km (0.096 R)
• M44: 12,697,568 km (0.046 R)
• M45: 13,054,957 km (0.092 R)
• M46: 13,481,461 km (0.055 R)
• M47: 13,779,609 km (0.088 R)
• M48: 13,879,391 km (0.114 R)
• M49: 13,946,112 km (0.119 R)
• M50: 14,247,552 km (0.115 R)
• M51: 14,415,849 km (0.092 R)
• M52: 14,686,621 km (0.055 R)
• M53: 14,925,080 km (0.113 R)
• M54: 15,198,994 km (0.077 R)
• M55: 15,891,183 km (0.12 R)
• M56: 16,030,758 km (0.114 R)
• M57: 18,540,412 km (0.068 R)
• M58: 18,834,821 km (0.094 R)
• M59: 18,945,673 km (0.119 R)
• M60: 19,168,125 km (0.119 R)
• M61: 19,690,221 km (0.082 R)
• M62: 19,915,516 km (0.107 R)
• M63: 20,066,011 km (0.112 R)
• M64: 20,179,257 km (0.12 R)
• M65: 20,672,331 km (0.115 R)
• M66: 21,941,819 km (0.082 R)
• M67: 22,409,611 km (0.112 R)
• M68: 22,684,124 km (0.112 R)
• M69: 22,880,845 km (0.086 R)
• M70: 23,196,646 km (0.096 R)
• M71: 23,434,506 km (0.116 R)
• M72: 23,753,000 km (0.091 R)
• M73: 24,394,177 km (0.026 R)
• M74: 25,041,038 km (0.099 R)
• M75: 25,325,872 km (0.079 R)
• M76: 26,517,120 km (0.117 R)
• M77: 26,724,463 km (0.085 R)
• M78: 27,223,970 km (0.106 R)
• M79: 27,474,846 km (0.119 R)
• M80: 27,894,917 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 20,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit