🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.97 AU - 1.01 AU

Year: 373 Days

Day: 23.9 Hours

Environment

Temp: 4 °C

Axial Tilt: 9.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.86 AU - 1.28 AU

Year: 419 Days

Day: 36.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 75,350,892 km

• M1: 324,627 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.48 AU - 2 AU

Year: 869 Days

Day: 19.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,350,892 km

• M1: 1,044,642 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.97 AU - 2.15 AU

Year: 1120 Days

Day: 42.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,350,892 km

• M1: 1,297,612 km (0.057 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.71 AU - 2.87 AU

Year: 1765 Days

Day: 33.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 11.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.74 AU - 7.34 AU

Year: 7075 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 75,350,892 km

• M1: 196,572 km (0.078 R)
• M2: 357,090 km (0.068 R)
• M3: 432,039 km (0.096 R)
• M4: 615,446 km (0.105 R)
• M5: 933,341 km (0.098 R)
• M6: 1,012,927 km (0.04 R)
• M7: 2,383,094 km (0.082 R)
• M8: 2,676,904 km (0.119 R)
• M9: 2,863,602 km (0.12 R)
• M10: 2,982,383 km (0.112 R)
• M11: 3,274,548 km (0.113 R)
• M12: 3,349,197 km (0.102 R)
• M13: 3,886,852 km (0.118 R)
• M14: 4,645,612 km (0.109 R)
• M15: 4,956,327 km (0.067 R)
• M16: 5,508,792 km (0.115 R)
• M17: 5,928,564 km (0.113 R)
• M18: 6,050,336 km (0.12 R)
• M19: 6,173,156 km (0.079 R)
• M20: 6,327,691 km (0.114 R)
• M21: 6,577,669 km (0.097 R)
• M22: 7,576,833 km (0.073 R)
• M23: 8,178,665 km (0.091 R)
• M24: 8,280,541 km (0.047 R)
• M25: 8,726,642 km (0.045 R)
• M26: 9,075,205 km (0.096 R)
• M27: 9,392,802 km (0.09 R)
• M28: 10,184,473 km (0.112 R)
• M29: 12,101,271 km (0.066 R)
• M30: 12,334,045 km (0.03 R)
• M31: 12,490,076 km (0.043 R)
• M32: 12,764,588 km (0.071 R)
• M33: 13,319,746 km (0.098 R)
• M34: 13,640,483 km (0.108 R)
• M35: 13,963,914 km (0.079 R)
• M36: 14,085,687 km (0.113 R)
• M37: 14,866,139 km (0.091 R)
• M38: 15,660,503 km (0.03 R)
• M39: 15,871,736 km (0.06 R)
• M40: 16,640,519 km (0.094 R)
• M41: 16,856,239 km (0.106 R)
• M42: 16,942,707 km (0.089 R)
• M43: 17,072,857 km (0.025 R)
• M44: 17,684,263 km (0.079 R)
• M45: 17,860,191 km (0.093 R)
• M46: 17,992,585 km (0.103 R)
• M47: 18,838,710 km (0.079 R)
• M48: 18,928,619 km (0.107 R)
• M49: 19,425,134 km (0.087 R)
• M50: 19,697,851 km (0.097 R)
• M51: 19,789,106 km (0.117 R)
• M52: 20,987,085 km (0.109 R)
• M53: 21,080,285 km (0.089 R)
• M54: 21,360,482 km (0.047 R)
• M55: 22,636,851 km (0.03 R)
• M56: 23,115,713 km (0.088 R)
• M57: 23,260,075 km (0.092 R)
• M58: 23,356,566 km (0.107 R)
• M59: 23,791,896 km (0.099 R)
• M60: 23,889,134 km (0.042 R)
• M61: 24,034,992 km (0.11 R)
• M62: 24,132,530 km (0.12 R)
• M63: 25,163,708 km (0.092 R)
• M64: 25,959,120 km (0.086 R)
• M65: 26,460,572 km (0.112 R)
• M66: 26,611,516 km (0.085 R)
• M67: 26,863,888 km (0.09 R)
• M68: 27,320,162 km (0.1 R)
• M69: 27,676,653 km (0.073 R)
• M70: 27,983,628 km (0.089 R)
• M71: 28,086,103 km (0.059 R)
• M72: 29,482,898 km (0.087 R)
• M73: 29,691,737 km (0.118 R)
• M74: 30,955,091 km (0.114 R)
• M75: 31,593,275 km (0.11 R)
• M76: 31,753,644 km (0.041 R)
• M77: 32,774,799 km (0.104 R)
• M78: 33,915,932 km (0.11 R)
• M79: 35,513,188 km (0.059 R)
• M80: 36,348,991 km (0.056 R)
• M81: 37,078,580 km (0.083 R)
• M82: 37,191,227 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 8.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.19 AU - 8.29 AU

Year: 8959 Days

Day: 10.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 75,350,892 km

• M1: 227,688 km (0.118 R)
• M2: 351,705 km (0.111 R)
• M3: 489,933 km (0.101 R)
• M4: 553,512 km (0.11 R)
• M5: 647,759 km (0.087 R)
• M6: 932,144 km (0.119 R)
• M7: 1,063,342 km (0.085 R)
• M8: 1,148,762 km (0.074 R)
• M9: 1,551,629 km (0.074 R)
• M10: 1,748,949 km (0.047 R)
• M11: 1,996,533 km (0.11 R)
• M12: 2,146,131 km (0.066 R)
• M13: 2,321,909 km (0.11 R)
• M14: 3,244,479 km (0.031 R)
• M15: 3,446,735 km (0.103 R)
• M16: 3,627,000 km (0.059 R)
• M17: 4,050,811 km (0.069 R)
• M18: 4,715,923 km (0.07 R)
• M19: 5,178,181 km (0.118 R)
• M20: 5,564,442 km (0.119 R)
• M21: 5,959,979 km (0.063 R)
• M22: 6,364,791 km (0.086 R)
• M23: 6,491,201 km (0.104 R)
• M24: 6,682,238 km (0.082 R)
• M25: 6,939,845 km (0.119 R)
• M26: 8,139,620 km (0.081 R)
• M27: 9,366,323 km (0.083 R)
• M28: 9,946,164 km (0.075 R)
• M29: 10,314,624 km (0.104 R)
• M30: 10,913,314 km (0.116 R)
• M31: 11,026,709 km (0.064 R)
• M32: 11,140,703 km (0.053 R)
• M33: 11,600,268 km (0.114 R)
• M34: 12,144,206 km (0.079 R)
• M35: 12,935,728 km (0.104 R)
• M36: 13,216,673 km (0.081 R)
• M37: 13,297,306 km (0.049 R)
• M38: 13,580,943 km (0.086 R)
• M39: 13,948,505 km (0.074 R)
• M40: 14,071,774 km (0.103 R)
• M41: 15,578,673 km (0.065 R)
• M42: 15,963,439 km (0.103 R)
• M43: 16,524,730 km (0.074 R)
• M44: 16,873,293 km (0.073 R)
• M45: 18,202,171 km (0.102 R)
• M46: 19,979,394 km (0.095 R)
• M47: 20,071,995 km (0.097 R)
• M48: 21,716,076 km (0.116 R)
• M49: 22,578,208 km (0.057 R)
• M50: 22,674,699 km (0.109 R)
• M51: 23,159,246 km (0.114 R)
• M52: 23,402,792 km (0.088 R)
• M53: 23,549,398 km (0.051 R)
• M54: 25,181,510 km (0.1 R)
• M55: 25,985,749 km (0.12 R)
• M56: 26,086,877 km (0.037 R)
• M57: 27,568,195 km (0.12 R)
• M58: 28,709,926 km (0.065 R)
• M59: 29,391,942 km (0.091 R)
• M60: 29,708,492 km (0.063 R)
• M61: 29,867,215 km (0.077 R)
• M62: 30,132,302 km (0.085 R)
• M63: 32,662,451 km (0.046 R)
• M64: 32,771,658 km (0.113 R)
• M65: 33,154,778 km (0.116 R)
• M66: 33,870,005 km (0.114 R)
• M67: 34,035,909 km (0.115 R)
• M68: 34,368,316 km (0.115 R)
• M69: 34,869,020 km (0.082 R)
• M70: 35,148,169 km (0.052 R)
• M71: 35,260,069 km (0.056 R)
• M72: 35,428,067 km (0.104 R)
• M73: 35,708,713 km (0.085 R)
• M74: 37,237,004 km (0.036 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 12.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.15 AU - 10.21 AU

Year: 11407 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 75,350,892 km

• M1: 201,209 km (0.101 R)
• M2: 449,542 km (0.097 R)
• M3: 541,245 km (0.094 R)
• M4: 661,971 km (0.094 R)
• M5: 885,919 km (0.096 R)
• M6: 982,858 km (0.027 R)
• M7: 1,070,971 km (0.114 R)
• M8: 1,509,742 km (0.051 R)
• M9: 1,734,438 km (0.116 R)
• M10: 2,034,980 km (0.042 R)
• M11: 2,650,276 km (0.109 R)
• M12: 3,016,491 km (0.061 R)
• M13: 3,360,118 km (0.105 R)
• M14: 3,596,183 km (0.06 R)
• M15: 3,777,047 km (0.071 R)
• M16: 3,940,258 km (0.113 R)
• M17: 4,337,441 km (0.085 R)
• M18: 4,444,104 km (0.04 R)
• M19: 5,035,614 km (0.086 R)
• M20: 5,329,424 km (0.103 R)
• M21: 5,466,905 km (0.1 R)
• M22: 5,582,394 km (0.113 R)
• M23: 5,745,456 km (0.081 R)
• M24: 6,437,944 km (0.099 R)
• M25: 6,856,220 km (0.111 R)
• M26: 7,258,040 km (0.112 R)
• M27: 7,410,779 km (0.113 R)
• M28: 7,901,311 km (0.081 R)
• M29: 8,111,197 km (0.064 R)
• M30: 8,349,356 km (0.076 R)
• M31: 8,509,426 km (0.117 R)
• M32: 8,914,088 km (0.103 R)
• M33: 9,325,183 km (0.041 R)
• M34: 9,491,387 km (0.092 R)
• M35: 10,336,914 km (0.103 R)
• M36: 11,060,070 km (0.07 R)
• M37: 11,148,033 km (0.076 R)
• M38: 11,680,153 km (0.066 R)
• M39: 11,769,612 km (0.102 R)
• M40: 12,069,706 km (0.103 R)
• M41: 13,232,829 km (0.112 R)
• M42: 13,670,403 km (0.087 R)
• M43: 13,922,475 km (0.094 R)
• M44: 16,360,771 km (0.054 R)
• M45: 16,729,380 km (0.061 R)
• M46: 16,931,637 km (0.077 R)
• M47: 17,509,084 km (0.092 R)
• M48: 17,748,591 km (0.09 R)
• M49: 18,265,900 km (0.082 R)
• M50: 18,787,997 km (0.12 R)
• M51: 18,928,020 km (0.045 R)
• M52: 19,068,493 km (0.052 R)
• M53: 19,279,725 km (0.109 R)
• M54: 19,527,309 km (0.081 R)
• M55: 19,740,187 km (0.09 R)
• M56: 19,882,604 km (0.116 R)
• M57: 20,347,854 km (0.097 R)
• M58: 21,034,358 km (0.106 R)
• M59: 21,435,131 km (0.071 R)
• M60: 21,654,890 km (0.112 R)
• M61: 24,732,118 km (0.104 R)
• M62: 25,116,735 km (0.084 R)
• M63: 26,047,682 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.4

Radius: 7.4

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 11.1 AU - 16.48 AU

Year: 19395 Days

Day: 24.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 75,350,892 km

• M1: 156,330 km (0.095 R)
• M2: 337,642 km (0.043 R)
• M3: 407,505 km (0.028 R)
• M4: 483,052 km (0.068 R)
• M5: 716,873 km (0.105 R)
• M6: 984,504 km (0.066 R)
• M7: 1,957,039 km (0.036 R)
• M8: 2,226,465 km (0.068 R)
• M9: 2,400,896 km (0.086 R)
• M10: 2,652,669 km (0.07 R)
• M11: 2,950,818 km (0.078 R)
• M12: 3,181,498 km (0.057 R)
• M13: 3,378,219 km (0.042 R)
• M14: 3,578,979 km (0.085 R)
• M15: 4,204,448 km (0.11 R)
• M16: 4,507,982 km (0.069 R)
• M17: 4,863,576 km (0.119 R)
• M18: 5,696,238 km (0.077 R)
• M19: 6,374,216 km (0.032 R)
• M20: 6,473,100 km (0.12 R)
• M21: 6,873,873 km (0.062 R)
• M22: 6,975,450 km (0.109 R)
• M23: 7,026,313 km (0.114 R)
• M24: 7,282,873 km (0.098 R)
• M25: 7,542,425 km (0.103 R)
• M26: 7,804,970 km (0.109 R)
• M27: 7,963,992 km (0.074 R)
• M28: 8,556,400 km (0.04 R)
• M29: 8,720,359 km (0.12 R)
• M30: 8,885,366 km (0.065 R)
• M31: 8,940,567 km (0.089 R)
• M32: 10,945,179 km (0.044 R)
• M33: 12,150,489 km (0.088 R)
• M34: 12,520,145 km (0.118 R)
• M35: 13,587,825 km (0.113 R)
• M36: 14,164,824 km (0.055 R)
• M37: 15,210,214 km (0.091 R)
• M38: 15,608,593 km (0.054 R)
• M39: 16,212,669 km (0.115 R)
• M40: 17,098,737 km (0.067 R)
• M41: 17,512,824 km (0.079 R)
• M42: 19,131,174 km (0.088 R)
• M43: 20,139,464 km (0.09 R)
• M44: 21,683,912 km (0.1 R)
• M45: 22,508,196 km (0.108 R)
• M46: 23,571,837 km (0.102 R)
• M47: 25,590,361 km (0.068 R)
• M48: 28,231,063 km (0.103 R)
• M49: 29,624,866 km (0.115 R)
• M50: 30,288,482 km (0.1 R)
• M51: 31,293,182 km (0.111 R)
• M52: 32,735,006 km (0.062 R)
• M53: 34,894,451 km (0.09 R)
• M54: 35,331,876 km (0.092 R)
• M55: 35,771,095 km (0.045 R)
• M56: 36,388,934 km (0.077 R)
• M57: 38,263,844 km (0.081 R)
• M58: 39,440,282 km (0.119 R)
• M59: 39,804,553 km (0.103 R)
• M60: 40,812,244 km (0.073 R)
• M61: 41,550,360 km (0.063 R)
• M62: 41,735,562 km (0.12 R)
• M63: 47,224,906 km (0.077 R)
• M64: 48,291,389 km (0.086 R)
• M65: 48,388,628 km (0.057 R)
• M66: 48,681,092 km (0.06 R)
• M67: 49,463,788 km (0.114 R)
• M68: 50,250,523 km (0.116 R)
• M69: 50,843,380 km (0.119 R)
• M70: 52,836,023 km (0.091 R)
• M71: 55,057,402 km (0.077 R)
• M72: 55,974,886 km (0.046 R)
• M73: 57,412,072 km (0.085 R)
• M74: 57,515,295 km (0.045 R)
• M75: 58,135,229 km (0.104 R)
• M76: 59,486,247 km (0.111 R)
• M77: 59,904,074 km (0.071 R)
• M78: 60,637,552 km (0.055 R)
• M79: 61,268,556 km (0.111 R)
• M80: 64,028,188 km (0.111 R)
• M81: 65,423,038 km (0.088 R)
• M82: 66,828,062 km (0.044 R)
• M83: 69,667,579 km (0.093 R)
• M84: 70,107,995 km (0.052 R)
• M85: 70,218,249 km (0.046 R)
• M86: 71,878,635 km (0.068 R)
• M87: 72,323,539 km (0.08 R)
• M88: 73,551,887 km (0.095 R)
• M89: 74,000,232 km (0.111 R)
• M90: 75,238,005 km (0.091 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: 385 - 19,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit