🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.67 AU - 0.91 AU

Year: 248 Days

Day: 23.6 Hours

Environment

Temp: 178 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.74 AU - 1.08 AU

Year: 307 Days

Day: 22.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 19,422,799 km

• M1: 28,124 km (0.094 R)
• M2: 452,683 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1 AU - 1.36 AU

Year: 453 Days

Day: 35.7 Hours

Environment

Temp: 32 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 19,422,799 km

• M1: 86,468 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.02 AU - 1.46 AU

Year: 488 Days

Day: 12.7 Hours

Environment

Temp: 14 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.74 AU - 2.44 AU

Year: 1067 Days

Day: 25.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.61 AU - 2.61 AU

Year: 1082 Days

Day: 47.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 11.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.92 AU - 6.76 AU

Year: 4983 Days

Day: 11.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 19,422,799 km

• M1: 172,786 km (0.032 R)
• M2: 412,292 km (0.102 R)
• M3: 588,668 km (0.082 R)
• M4: 747,690 km (0.109 R)
• M5: 922,121 km (0.068 R)
• M6: 1,059,003 km (0.06 R)
• M7: 1,136,794 km (0.097 R)
• M8: 1,722,021 km (0.104 R)
• M9: 1,909,617 km (0.089 R)
• M10: 2,548,400 km (0.111 R)
• M11: 2,691,116 km (0.086 R)
• M12: 3,211,417 km (0.112 R)
• M13: 3,346,504 km (0.061 R)
• M14: 3,582,420 km (0.114 R)
• M15: 3,702,547 km (0.101 R)
• M16: 3,967,336 km (0.071 R)
• M17: 4,909,503 km (0.1 R)
• M18: 5,020,804 km (0.118 R)
• M19: 5,110,562 km (0.082 R)
• M20: 5,337,203 km (0.065 R)
• M21: 5,636,698 km (0.107 R)
• M22: 6,060,808 km (0.053 R)
• M23: 6,276,678 km (0.105 R)
• M24: 6,642,145 km (0.093 R)
• M25: 6,864,897 km (0.098 R)
• M26: 6,964,678 km (0.095 R)
• M27: 7,064,909 km (0.089 R)
• M28: 7,165,738 km (0.079 R)
• M29: 7,419,606 km (0.106 R)
• M30: 7,988,975 km (0.101 R)
• M31: 8,120,322 km (0.049 R)
• M32: 8,385,110 km (0.074 R)
• M33: 9,142,075 km (0.088 R)
• M34: 9,696,036 km (0.091 R)
• M35: 10,147,224 km (0.041 R)
• M36: 10,261,068 km (0.045 R)
• M37: 10,346,638 km (0.055 R)
• M38: 11,011,450 km (0.076 R)
• M39: 11,334,283 km (0.09 R)
• M40: 12,595,542 km (0.093 R)
• M41: 12,933,334 km (0.084 R)
• M42: 13,242,852 km (0.087 R)
• M43: 13,336,201 km (0.034 R)
• M44: 13,523,648 km (0.102 R)
• M45: 13,869,368 km (0.119 R)
• M46: 14,313,823 km (0.089 R)
• M47: 14,441,580 km (0.119 R)
• M48: 14,892,019 km (0.051 R)
• M49: 15,151,422 km (0.084 R)
• M50: 15,346,946 km (0.11 R)
• M51: 15,609,042 km (0.089 R)
• M52: 15,938,756 km (0.097 R)
• M53: 16,237,502 km (0.069 R)
• M54: 16,504,535 km (0.106 R)
• M55: 16,975,319 km (0.09 R)
• M56: 18,068,281 km (0.082 R)
• M57: 19,043,061 km (0.109 R)
• M58: 19,218,988 km (0.082 R)
• M59: 19,360,059 km (0.107 R)
• M60: 20,142,306 km (0.103 R)
• M61: 20,357,428 km (0.104 R)
• M62: 20,537,244 km (0.093 R)
• M63: 20,934,876 km (0.051 R)
• M64: 21,152,840 km (0.103 R)
• M65: 21,847,871 km (0.116 R)
• M66: 21,958,275 km (0.118 R)
• M67: 23,222,975 km (0.079 R)
• M68: 23,826,154 km (0.101 R)
• M69: 24,205,833 km (0.061 R)
• M70: 24,358,273 km (0.115 R)
• M71: 25,318,243 km (0.06 R)
• M72: 25,395,585 km (0.11 R)
• M73: 25,473,077 km (0.032 R)
• M74: 26,056,060 km (0.106 R)
• M75: 26,134,150 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.6

Radius: 14.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.55 AU - 7.53 AU

Year: 5241 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 19,422,799 km

• M1: 206,146 km (0.027 R)
• M2: 409,300 km (0.052 R)
• M3: 634,744 km (0.088 R)
• M4: 765,492 km (0.115 R)
• M5: 858,692 km (0.096 R)
• M6: 1,205,011 km (0.1 R)
• M7: 1,431,801 km (0.076 R)
• M8: 1,719,927 km (0.094 R)
• M9: 2,441,587 km (0.117 R)
• M10: 2,920,749 km (0.12 R)
• M11: 3,191,222 km (0.044 R)
• M12: 3,409,485 km (0.057 R)
• M13: 3,653,479 km (0.12 R)
• M14: 3,798,589 km (0.04 R)
• M15: 3,945,494 km (0.085 R)
• M16: 4,223,746 km (0.083 R)
• M17: 4,799,399 km (0.104 R)
• M18: 5,050,574 km (0.073 R)
• M19: 5,189,401 km (0.108 R)
• M20: 5,376,547 km (0.077 R)
• M21: 5,951,602 km (0.027 R)
• M22: 6,571,535 km (0.065 R)
• M23: 7,108,442 km (0.112 R)
• M24: 7,686,039 km (0.073 R)
• M25: 8,034,602 km (0.101 R)
• M26: 8,142,911 km (0.102 R)
• M27: 8,333,649 km (0.062 R)
• M28: 8,498,206 km (0.05 R)
• M29: 8,747,287 km (0.076 R)
• M30: 8,858,737 km (0.037 R)
• M31: 9,026,885 km (0.055 R)
• M32: 9,281,052 km (0.031 R)
• M33: 9,537,612 km (0.116 R)
• M34: 9,652,354 km (0.11 R)
• M35: 9,854,311 km (0.049 R)
• M36: 10,409,768 km (0.099 R)
• M37: 10,646,581 km (0.08 R)
• M38: 10,795,581 km (0.118 R)
• M39: 10,945,328 km (0.07 R)
• M40: 11,550,900 km (0.115 R)
• M41: 11,919,659 km (0.103 R)
• M42: 12,136,576 km (0.106 R)
• M43: 12,323,424 km (0.049 R)
• M44: 12,417,222 km (0.08 R)
• M45: 12,763,391 km (0.096 R)
• M46: 12,889,951 km (0.094 R)
• M47: 13,272,473 km (0.08 R)
• M48: 13,465,155 km (0.109 R)
• M49: 13,853,212 km (0.117 R)
• M50: 14,245,008 km (0.106 R)
• M51: 14,442,328 km (0.109 R)
• M52: 14,574,423 km (0.058 R)
• M53: 15,645,095 km (0.109 R)
• M54: 16,224,338 km (0.068 R)
• M55: 17,228,439 km (0.107 R)
• M56: 17,544,240 km (0.092 R)
• M57: 17,755,921 km (0.078 R)
• M58: 18,252,885 km (0.071 R)
• M59: 18,395,751 km (0.058 R)
• M60: 19,333,281 km (0.088 R)
• M61: 19,588,345 km (0.104 R)
• M62: 19,881,258 km (0.105 R)
• M63: 20,805,922 km (0.112 R)
• M64: 21,067,419 km (0.086 R)
• M65: 21,292,415 km (0.096 R)
• M66: 21,593,555 km (0.113 R)
• M67: 21,934,189 km (0.045 R)
• M68: 22,429,209 km (0.114 R)
• M69: 23,159,396 km (0.048 R)
• M70: 24,171,276 km (0.107 R)
• M71: 25,038,794 km (0.113 R)
• M72: 25,596,046 km (0.057 R)
• M73: 25,716,024 km (0.083 R)
• M74: 26,763,657 km (0.092 R)
• M75: 26,966,662 km (0.048 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 14.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.88 AU - 7.56 AU

Year: 5478 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 19,422,799 km

• M1: 357,988 km (0.088 R)
• M2: 552,016 km (0.104 R)
• M3: 761,603 km (0.076 R)
• M4: 990,188 km (0.117 R)
• M5: 1,242,859 km (0.092 R)
• M6: 1,434,943 km (0.117 R)
• M7: 1,576,911 km (0.096 R)
• M8: 1,786,498 km (0.074 R)
• M9: 1,901,389 km (0.067 R)
• M10: 2,045,302 km (0.098 R)
• M11: 2,556,777 km (0.06 R)
• M12: 2,849,989 km (0.108 R)
• M13: 3,031,302 km (0.114 R)
• M14: 3,123,454 km (0.09 R)
• M15: 3,294,893 km (0.106 R)
• M16: 3,582,271 km (0.106 R)
• M17: 3,944,746 km (0.042 R)
• M18: 4,096,588 km (0.12 R)
• M19: 4,616,889 km (0.033 R)
• M20: 4,884,969 km (0.09 R)
• M21: 5,084,832 km (0.049 R)
• M22: 5,417,986 km (0.085 R)
• M23: 5,530,633 km (0.06 R)
• M24: 5,854,064 km (0.114 R)
• M25: 6,066,642 km (0.087 R)
• M26: 6,539,521 km (0.11 R)
• M27: 6,639,602 km (0.102 R)
• M28: 6,820,915 km (0.064 R)
• M29: 7,004,023 km (0.108 R)
• M30: 7,168,132 km (0.104 R)
• M31: 7,458,351 km (0.078 R)
• M32: 7,562,920 km (0.088 R)
• M33: 7,837,283 km (0.061 R)
• M34: 8,309,115 km (0.074 R)
• M35: 9,302,893 km (0.116 R)
• M36: 9,438,279 km (0.081 R)
• M37: 9,756,624 km (0.098 R)
• M38: 10,009,444 km (0.109 R)
• M39: 10,101,895 km (0.052 R)
• M40: 10,521,368 km (0.085 R)
• M41: 10,638,952 km (0.096 R)
• M42: 10,970,461 km (0.082 R)
• M43: 11,233,304 km (0.084 R)
• M44: 11,570,947 km (0.105 R)
• M45: 12,280,938 km (0.088 R)
• M46: 12,678,719 km (0.092 R)
• M47: 13,030,274 km (0.074 R)
• M48: 13,181,966 km (0.074 R)
• M49: 13,435,983 km (0.088 R)
• M50: 13,846,031 km (0.09 R)
• M51: 14,364,238 km (0.119 R)
• M52: 15,366,544 km (0.078 R)
• M53: 16,473,119 km (0.118 R)
• M54: 16,582,475 km (0.064 R)
• M55: 16,774,409 km (0.113 R)
• M56: 17,077,495 km (0.117 R)
• M57: 17,382,525 km (0.061 R)
• M58: 17,885,323 km (0.093 R)
• M59: 18,025,945 km (0.056 R)
• M60: 18,591,874 km (0.077 R)
• M61: 19,077,468 km (0.105 R)
• M62: 19,278,678 km (0.071 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 14,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit