🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.59 AU - 0.63 AU

Year: 171 Days

Day: 33.6 Hours

Environment

Temp: 229 °C

Axial Tilt: 21.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 38,972,368 km

• M1: 211,831 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.02 AU - 1.32 AU

Year: 453 Days

Day: 28.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,972,368 km

• M1: 105,018 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.56 AU - 1.76 AU

Year: 766 Days

Day: 44.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.77 AU - 2.81 AU

Year: 1669 Days

Day: 29.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.31 AU - 4.41 AU

Year: 3261 Days

Day: 39.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,972,368 km

• M1: 1,142,180 km (0.114 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.17 AU - 5.25 AU

Year: 3661 Days

Day: 46.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,972,368 km

• M1: 1,163,572 km (0.109 R)
• M2: 1,595,910 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.4

Radius: 14.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.84 AU - 7.12 AU

Year: 5238 Days

Day: 11.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 38,972,368 km

• M1: 272,268 km (0.066 R)
• M2: 465,100 km (0.105 R)
• M3: 797,357 km (0.061 R)
• M4: 892,800 km (0.096 R)
• M5: 1,070,373 km (0.107 R)
• M6: 1,232,686 km (0.116 R)
• M7: 1,360,144 km (0.026 R)
• M8: 1,738,776 km (0.075 R)
• M9: 2,133,714 km (0.063 R)
• M10: 2,237,087 km (0.119 R)
• M11: 2,359,757 km (0.109 R)
• M12: 3,007,665 km (0.068 R)
• M13: 3,282,177 km (0.116 R)
• M14: 3,422,650 km (0.088 R)
• M15: 3,647,346 km (0.059 R)
• M16: 4,025,828 km (0.113 R)
• M17: 4,154,782 km (0.057 R)
• M18: 4,866,419 km (0.082 R)
• M19: 5,189,700 km (0.084 R)
• M20: 5,354,108 km (0.103 R)
• M21: 5,591,968 km (0.09 R)
• M22: 5,712,245 km (0.075 R)
• M23: 6,301,511 km (0.073 R)
• M24: 7,326,855 km (0.093 R)
• M25: 8,020,989 km (0.12 R)
• M26: 8,184,350 km (0.077 R)
• M27: 8,293,706 km (0.058 R)
• M28: 8,403,660 km (0.117 R)
• M29: 8,708,541 km (0.117 R)
• M30: 8,848,265 km (0.076 R)
• M31: 9,017,012 km (0.037 R)
• M32: 9,905,922 km (0.056 R)
• M33: 10,081,251 km (0.05 R)
• M34: 10,316,568 km (0.082 R)
• M35: 10,464,670 km (0.081 R)
• M36: 10,702,980 km (0.109 R)
• M37: 10,792,738 km (0.109 R)
• M38: 11,184,984 km (0.087 R)
• M39: 11,367,643 km (0.061 R)
• M40: 11,520,682 km (0.032 R)
• M41: 11,643,501 km (0.08 R)
• M42: 12,076,887 km (0.12 R)
• M43: 12,452,676 km (0.115 R)
• M44: 12,800,641 km (0.092 R)
• M45: 13,183,761 km (0.077 R)
• M46: 13,603,234 km (0.028 R)
• M47: 14,092,568 km (0.114 R)
• M48: 14,224,065 km (0.1 R)
• M49: 14,521,465 km (0.099 R)
• M50: 14,954,551 km (0.07 R)
• M51: 15,055,081 km (0.041 R)
• M52: 15,358,166 km (0.11 R)
• M53: 15,936,212 km (0.096 R)
• M54: 16,313,947 km (0.089 R)
• M55: 16,729,530 km (0.074 R)
• M56: 17,289,026 km (0.077 R)
• M57: 17,429,947 km (0.116 R)
• M58: 17,890,260 km (0.1 R)
• M59: 18,104,185 km (0.115 R)
• M60: 18,426,419 km (0.085 R)
• M61: 18,714,694 km (0.088 R)
• M62: 19,076,870 km (0.113 R)
• M63: 19,441,590 km (0.046 R)
• M64: 20,437,612 km (0.096 R)
• M65: 20,698,511 km (0.093 R)
• M66: 21,035,705 km (0.109 R)
• M67: 21,981,762 km (0.059 R)
• M68: 22,594,514 km (0.102 R)
• M69: 22,787,196 km (0.118 R)
• M70: 23,019,073 km (0.052 R)
• M71: 23,797,730 km (0.101 R)
• M72: 24,585,064 km (0.074 R)
• M73: 24,783,281 km (0.107 R)
• M74: 24,902,361 km (0.113 R)
• M75: 25,261,096 km (0.096 R)
• M76: 25,621,328 km (0.09 R)
• M77: 25,822,238 km (0.119 R)
• M78: 26,064,138 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 13.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.83 AU - 8.49 AU

Year: 8349 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 38,972,368 km

• M1: 375,640 km (0.099 R)
• M2: 563,086 km (0.105 R)
• M3: 953,836 km (0.102 R)
• M4: 1,676,095 km (0.093 R)
• M5: 1,829,283 km (0.081 R)
• M6: 2,010,446 km (0.115 R)
• M7: 2,150,469 km (0.095 R)
• M8: 2,640,702 km (0.067 R)
• M9: 3,552,949 km (0.079 R)
• M10: 3,868,003 km (0.083 R)
• M11: 3,955,517 km (0.042 R)
• M12: 4,282,089 km (0.111 R)
• M13: 4,898,732 km (0.069 R)
• M14: 5,025,441 km (0.096 R)
• M15: 5,249,838 km (0.101 R)
• M16: 5,708,655 km (0.103 R)
• M17: 5,875,756 km (0.076 R)
• M18: 6,146,378 km (0.114 R)
• M19: 6,490,603 km (0.073 R)
• M20: 6,983,229 km (0.091 R)
• M21: 7,090,341 km (0.096 R)
• M22: 7,414,968 km (0.108 R)
• M23: 7,597,627 km (0.086 R)
• M24: 8,116,732 km (0.082 R)
• M25: 8,418,471 km (0.096 R)
• M26: 8,724,099 km (0.076 R)
• M27: 9,228,393 km (0.082 R)
• M28: 9,583,240 km (0.064 R)
• M29: 10,428,468 km (0.094 R)
• M30: 10,715,546 km (0.12 R)
• M31: 11,381,556 km (0.114 R)
• M32: 11,592,489 km (0.107 R)
• M33: 12,018,244 km (0.113 R)
• M34: 12,319,385 km (0.068 R)
• M35: 12,885,164 km (0.108 R)
• M36: 12,972,978 km (0.065 R)
• M37: 13,637,940 km (0.094 R)
• M38: 13,727,400 km (0.095 R)
• M39: 14,132,511 km (0.059 R)
• M40: 14,404,929 km (0.1 R)
• M41: 14,678,992 km (0.096 R)
• M42: 15,047,152 km (0.109 R)
• M43: 15,558,328 km (0.064 R)
• M44: 17,125,964 km (0.07 R)
• M45: 17,806,186 km (0.073 R)
• M46: 18,644,083 km (0.115 R)
• M47: 18,992,796 km (0.111 R)
• M48: 19,092,877 km (0.119 R)
• M49: 19,243,223 km (0.114 R)
• M50: 19,444,432 km (0.116 R)
• M51: 20,001,086 km (0.107 R)
• M52: 21,285,982 km (0.079 R)
• M53: 21,494,072 km (0.112 R)
• M54: 21,807,330 km (0.078 R)
• M55: 23,611,630 km (0.119 R)
• M56: 24,097,225 km (0.112 R)
• M57: 26,462,517 km (0.097 R)
• M58: 26,574,267 km (0.099 R)
• M59: 26,742,415 km (0.114 R)
• M60: 26,910,712 km (0.034 R)
• M61: 27,304,903 km (0.067 R)
• M62: 27,417,999 km (0.105 R)
• M63: 27,985,274 km (0.075 R)
• M64: 28,327,554 km (0.112 R)
• M65: 29,131,493 km (0.086 R)
• M66: 29,594,199 km (0.051 R)
• M67: 32,063,611 km (0.115 R)
• M68: 32,901,359 km (0.072 R)
• M69: 33,323,075 km (0.072 R)
• M70: 34,049,971 km (0.057 R)
• M71: 34,232,481 km (0.069 R)
• M72: 34,720,768 km (0.119 R)
• M73: 34,904,624 km (0.087 R)
• M74: 35,150,114 km (0.1 R)
• M75: 35,890,025 km (0.108 R)
• M76: 36,137,759 km (0.075 R)
• M77: 36,324,009 km (0.046 R)
• M78: 36,572,790 km (0.093 R)
• M79: 36,884,552 km (0.059 R)
• M80: 37,636,431 km (0.113 R)
• M81: 38,519,956 km (0.106 R)
• M82: 38,964,261 km (0.101 R)
• M83: 39,474,241 km (0.115 R)
• M84: 39,794,081 km (0.082 R)
• M85: 40,050,492 km (0.098 R)
• M86: 40,952,567 km (0.086 R)
• M87: 41,276,296 km (0.03 R)
• M88: 41,470,923 km (0.068 R)
• M89: 42,252,722 km (0.074 R)
• M90: 42,514,368 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 11.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.38 AU - 11 AU

Year: 9978 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 38,972,368 km

• M1: 146,905 km (0.099 R)
• M2: 332,257 km (0.118 R)
• M3: 451,187 km (0.111 R)
• M4: 875,148 km (0.117 R)
• M5: 1,019,210 km (0.118 R)
• M6: 1,368,521 km (0.076 R)
• M7: 1,615,507 km (0.064 R)
• M8: 2,464,475 km (0.087 R)
• M9: 2,602,554 km (0.112 R)
• M10: 3,458,703 km (0.094 R)
• M11: 3,904,205 km (0.092 R)
• M12: 4,229,730 km (0.118 R)
• M13: 4,451,733 km (0.104 R)
• M14: 4,763,346 km (0.115 R)
• M15: 5,258,964 km (0.104 R)
• M16: 5,618,746 km (0.114 R)
• M17: 5,986,608 km (0.098 R)
• M18: 6,425,827 km (0.108 R)
• M19: 6,940,444 km (0.112 R)
• M20: 7,071,192 km (0.072 R)
• M21: 7,235,899 km (0.096 R)
• M22: 7,669,883 km (0.077 R)
• M23: 7,771,161 km (0.089 R)
• M24: 9,707,555 km (0.048 R)
• M25: 10,074,968 km (0.062 R)
• M26: 10,559,515 km (0.049 R)
• M27: 10,937,549 km (0.118 R)
• M28: 11,319,921 km (0.058 R)
• M29: 11,551,499 km (0.101 R)
• M30: 12,019,291 km (0.051 R)
• M31: 12,097,830 km (0.111 R)
• M32: 12,255,506 km (0.111 R)
• M33: 12,812,758 km (0.109 R)
• M34: 13,215,925 km (0.099 R)
• M35: 13,337,697 km (0.051 R)
• M36: 13,869,667 km (0.089 R)
• M37: 14,492,144 km (0.076 R)
• M38: 15,678,306 km (0.051 R)
• M39: 16,544,627 km (0.118 R)
• M40: 16,631,992 km (0.059 R)
• M41: 16,719,656 km (0.095 R)
• M42: 17,381,926 km (0.056 R)
• M43: 18,097,752 km (0.111 R)
• M44: 20,115,678 km (0.105 R)
• M45: 20,396,323 km (0.097 R)
• M46: 20,490,271 km (0.034 R)
• M47: 20,584,218 km (0.055 R)
• M48: 22,059,403 km (0.114 R)
• M49: 23,175,852 km (0.079 R)
• M50: 23,273,838 km (0.113 R)
• M51: 23,421,043 km (0.087 R)
• M52: 23,963,335 km (0.106 R)
• M53: 24,360,368 km (0.106 R)
• M54: 24,559,782 km (0.085 R)
• M55: 24,659,563 km (0.099 R)
• M56: 25,665,759 km (0.054 R)
• M57: 26,685,418 km (0.085 R)
• M58: 26,788,042 km (0.052 R)
• M59: 27,510,600 km (0.099 R)
• M60: 28,135,021 km (0.089 R)
• M61: 28,606,404 km (0.085 R)
• M62: 28,816,739 km (0.116 R)
• M63: 29,503,842 km (0.109 R)
• M64: 29,610,056 km (0.056 R)
• M65: 30,196,330 km (0.113 R)
• M66: 30,464,260 km (0.054 R)
• M67: 31,002,214 km (0.085 R)
• M68: 32,634,775 km (0.082 R)
• M69: 32,964,788 km (0.056 R)
• M70: 33,627,806 km (0.077 R)
• M71: 34,183,861 km (0.066 R)
• M72: 34,351,112 km (0.083 R)
• M73: 35,473,993 km (0.032 R)
• M74: 36,153,467 km (0.119 R)
• M75: 36,381,005 km (0.082 R)
• M76: 36,608,843 km (0.085 R)
• M77: 36,722,986 km (0.113 R)
• M78: 37,467,834 km (0.086 R)
• M79: 37,755,660 km (0.028 R)
• M80: 37,986,340 km (0.038 R)
• M81: 38,391,302 km (0.096 R)
• M82: 38,507,390 km (0.116 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 16,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit