🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.6 AU - 0.68 AU

Year: 195 Days

Day: 27.5 Hours

Environment

Temp: 171 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 63,501,656 km

• M1: 102,026 km (0.081 R)
• M2: 380,427 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.6 AU - 0.98 AU

Year: 267 Days

Day: 41.3 Hours

Environment

Temp: 129 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,501,656 km

• M1: 44,580 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.62 AU - 1 AU

Year: 278 Days

Day: 40 Hours

Environment

Temp: 68 °C

Axial Tilt: 5.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.58 AU - 1.7 AU

Year: 800 Days

Day: 37.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.96 AU - 2.58 AU

Year: 1302 Days

Day: 43.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,501,656 km

• M1: 245,789 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.87 AU - 3.99 AU

Year: 2967 Days

Day: 17.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 11.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.77 AU - 5.65 AU

Year: 3892 Days

Day: 5.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 63,501,656 km

• M1: 156,779 km (0.036 R)
• M2: 279,449 km (0.062 R)
• M3: 450,290 km (0.097 R)
• M4: 801,396 km (0.044 R)
• M5: 950,844 km (0.038 R)
• M6: 1,170,603 km (0.088 R)
• M7: 1,271,133 km (0.111 R)
• M8: 1,448,257 km (0.074 R)
• M9: 1,599,351 km (0.095 R)
• M10: 1,703,172 km (0.118 R)
• M11: 1,818,362 km (0.109 R)
• M12: 2,037,972 km (0.101 R)
• M13: 2,122,644 km (0.097 R)
• M14: 2,354,371 km (0.056 R)
• M15: 2,443,382 km (0.066 R)
• M16: 2,624,994 km (0.102 R)
• M17: 2,727,917 km (0.081 R)
• M18: 2,800,771 km (0.082 R)
• M19: 3,497,149 km (0.065 R)
• M20: 3,725,585 km (0.073 R)
• M21: 4,006,381 km (0.098 R)
• M22: 4,113,343 km (0.104 R)
• M23: 4,465,048 km (0.118 R)
• M24: 4,551,366 km (0.119 R)
• M25: 4,638,282 km (0.037 R)
• M26: 5,017,064 km (0.091 R)
• M27: 5,145,568 km (0.034 R)
• M28: 5,223,210 km (0.098 R)
• M29: 5,340,494 km (0.109 R)
• M30: 5,511,335 km (0.078 R)
• M31: 6,021,314 km (0.113 R)
• M32: 6,546,552 km (0.082 R)
• M33: 6,800,570 km (0.082 R)
• M34: 7,303,667 km (0.119 R)
• M35: 7,833,692 km (0.069 R)
• M36: 8,437,320 km (0.09 R)
• M37: 8,513,914 km (0.088 R)
• M38: 8,606,066 km (0.103 R)
• M39: 9,024,791 km (0.119 R)
• M40: 9,165,862 km (0.038 R)
• M41: 9,244,550 km (0.09 R)
• M42: 9,434,240 km (0.102 R)
• M43: 9,545,541 km (0.115 R)
• M44: 9,625,426 km (0.101 R)
• M45: 9,995,232 km (0.073 R)
• M46: 10,238,927 km (0.112 R)
• M47: 10,748,906 km (0.077 R)
• M48: 11,099,115 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 9

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4 AU - 5.78 AU

Year: 4118 Days

Day: 12.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 63,501,656 km

• M1: 129,701 km (0.032 R)
• M2: 198,367 km (0.084 R)
• M3: 340,634 km (0.1 R)
• M4: 458,069 km (0.066 R)
• M5: 551,418 km (0.082 R)
• M6: 769,980 km (0.055 R)
• M7: 931,097 km (0.058 R)
• M8: 1,091,017 km (0.105 R)
• M9: 1,181,075 km (0.119 R)
• M10: 1,314,068 km (0.079 R)
• M11: 1,382,434 km (0.035 R)
• M12: 1,833,771 km (0.066 R)
• M13: 2,651,921 km (0.077 R)
• M14: 2,810,046 km (0.09 R)
• M15: 3,044,017 km (0.096 R)
• M16: 3,154,271 km (0.098 R)
• M17: 3,321,970 km (0.071 R)
• M18: 3,666,494 km (0.119 R)
• M19: 4,123,366 km (0.081 R)
• M20: 4,225,093 km (0.045 R)
• M21: 4,327,567 km (0.057 R)
• M22: 4,451,733 km (0.031 R)
• M23: 4,577,096 km (0.101 R)
• M24: 4,661,470 km (0.074 R)
• M25: 4,767,385 km (0.036 R)
• M26: 5,221,564 km (0.05 R)
• M27: 5,353,958 km (0.067 R)
• M28: 5,465,109 km (0.095 R)
• M29: 5,667,067 km (0.069 R)
• M30: 5,803,201 km (0.117 R)
• M31: 5,871,567 km (0.114 R)
• M32: 6,381,696 km (0.099 R)
• M33: 6,881,801 km (0.109 R)
• M34: 6,978,591 km (0.12 R)
• M35: 7,148,833 km (0.057 R)
• M36: 7,271,354 km (0.037 R)
• M37: 7,743,335 km (0.116 R)
• M38: 7,818,733 km (0.116 R)
• M39: 8,021,139 km (0.036 R)
• M40: 8,456,917 km (0.072 R)
• M41: 8,716,918 km (0.052 R)
• M42: 9,005,941 km (0.097 R)
• M43: 9,701,572 km (0.071 R)
• M44: 10,083,196 km (0.113 R)
• M45: 10,469,906 km (0.068 R)
• M46: 10,861,404 km (0.096 R)
• M47: 11,314,835 km (0.076 R)
• M48: 11,572,592 km (0.11 R)
• M49: 12,240,098 km (0.092 R)
• M50: 12,475,266 km (0.1 R)
• M51: 12,652,539 km (0.083 R)
• M52: 13,460,816 km (0.066 R)
• M53: 14,224,065 km (0.047 R)
• M54: 14,533,284 km (0.08 R)
• M55: 14,657,599 km (0.092 R)
• M56: 15,001,375 km (0.048 R)
• M57: 15,064,206 km (0.119 R)
• M58: 15,474,404 km (0.034 R)
• M59: 15,760,435 km (0.114 R)
• M60: 16,273,556 km (0.098 R)
• M61: 16,467,285 km (0.108 R)
• M62: 16,759,449 km (0.114 R)
• M63: 17,250,280 km (0.084 R)
• M64: 17,414,838 km (0.075 R)
• M65: 17,613,205 km (0.066 R)
• M66: 18,818,365 km (0.079 R)
• M67: 19,055,777 km (0.093 R)
• M68: 19,157,803 km (0.079 R)
• M69: 19,396,710 km (0.12 R)
• M70: 19,465,077 km (0.105 R)
• M71: 19,739,589 km (0.091 R)
• M72: 19,842,811 km (0.025 R)
• M73: 21,554,959 km (0.081 R)
• M74: 21,803,441 km (0.043 R)
• M75: 21,981,462 km (0.101 R)
• M76: 22,124,328 km (0.08 R)
• M77: 22,987,358 km (0.099 R)
• M78: 24,561,427 km (0.044 R)
• M79: 24,858,080 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.7

Radius: 10.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.85 AU - 10.87 AU

Year: 10905 Days

Day: 7.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 63,501,656 km

• M1: 163,810 km (0.103 R)
• M2: 407,953 km (0.096 R)
• M3: 1,218,026 km (0.109 R)
• M4: 1,437,636 km (0.069 R)
• M5: 1,513,781 km (0.09 R)
• M6: 1,591,273 km (0.067 R)
• M7: 1,690,157 km (0.111 R)
• M8: 1,873,564 km (0.034 R)
• M9: 1,978,282 km (0.086 R)
• M10: 2,172,011 km (0.079 R)
• M11: 2,260,125 km (0.069 R)
• M12: 2,554,832 km (0.049 R)
• M13: 2,886,192 km (0.05 R)
• M14: 3,032,498 km (0.038 R)
• M15: 3,156,365 km (0.1 R)
• M16: 3,281,878 km (0.101 R)
• M17: 4,124,563 km (0.09 R)
• M18: 4,541,791 km (0.08 R)
• M19: 4,626,913 km (0.048 R)
• M20: 5,178,330 km (0.106 R)
• M21: 5,386,720 km (0.062 R)
• M22: 6,406,379 km (0.085 R)
• M23: 6,662,491 km (0.077 R)
• M24: 7,020,329 km (0.108 R)
• M25: 7,151,975 km (0.058 R)
• M26: 7,754,555 km (0.113 R)
• M27: 7,959,056 km (0.089 R)
• M28: 8,478,160 km (0.066 R)
• M29: 8,583,178 km (0.043 R)
• M30: 8,688,794 km (0.103 R)
• M31: 8,759,404 km (0.066 R)
• M32: 9,476,277 km (0.106 R)
• M33: 9,658,487 km (0.047 R)
• M34: 10,249,249 km (0.066 R)
• M35: 10,323,899 km (0.092 R)
• M36: 10,473,796 km (0.112 R)
• M37: 10,549,043 km (0.064 R)
• M38: 11,042,417 km (0.089 R)
• M39: 11,311,245 km (0.1 R)
• M40: 11,659,957 km (0.12 R)
• M41: 12,209,580 km (0.089 R)
• M42: 12,407,947 km (0.105 R)
• M43: 13,171,345 km (0.093 R)
• M44: 13,825,985 km (0.114 R)
• M45: 14,617,208 km (0.105 R)
• M46: 15,380,307 km (0.095 R)
• M47: 15,853,036 km (0.073 R)
• M48: 16,069,504 km (0.113 R)
• M49: 16,461,600 km (0.09 R)
• M50: 17,210,936 km (0.1 R)
• M51: 17,433,388 km (0.112 R)
• M52: 17,746,496 km (0.094 R)
• M53: 18,514,681 km (0.106 R)
• M54: 18,742,668 km (0.106 R)
• M55: 18,834,073 km (0.088 R)
• M56: 19,247,561 km (0.053 R)
• M57: 19,385,939 km (0.045 R)
• M58: 19,710,417 km (0.045 R)
• M59: 20,177,013 km (0.067 R)
• M60: 20,599,926 km (0.114 R)
• M61: 20,978,409 km (0.115 R)
• M62: 21,359,135 km (0.1 R)
• M63: 22,563,847 km (0.055 R)
• M64: 22,661,235 km (0.111 R)
• M65: 22,807,392 km (0.059 R)
• M66: 23,198,890 km (0.053 R)
• M67: 23,346,393 km (0.077 R)
• M68: 23,939,100 km (0.035 R)
• M69: 24,686,940 km (0.1 R)
• M70: 25,139,324 km (0.072 R)
• M71: 25,493,123 km (0.102 R)
• M72: 25,594,550 km (0.08 R)
• M73: 27,546,204 km (0.049 R)
• M74: 28,539,833 km (0.106 R)
• M75: 28,856,083 km (0.027 R)
• M76: 29,651,794 km (0.067 R)
• M77: 30,186,307 km (0.101 R)
• M78: 30,508,541 km (0.096 R)
• M79: 31,210,604 km (0.083 R)
• M80: 31,808,846 km (0.052 R)
• M81: 32,906,146 km (0.112 R)
• M82: 35,194,245 km (0.061 R)
• M83: 35,873,569 km (0.119 R)
• M84: 36,385,942 km (0.098 R)
• M85: 38,401,474 km (0.067 R)
• M86: 38,984,008 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.5

Radius: 5.9

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 11.98 AU - 16.18 AU

Year: 20119 Days

Day: 19.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 63,501,656 km

• M1: 136,732 km (0.098 R)
• M2: 226,491 km (0.096 R)
• M3: 280,346 km (0.082 R)
• M4: 339,288 km (0.068 R)
• M5: 524,789 km (0.084 R)
• M6: 1,481,767 km (0.091 R)
• M7: 1,590,076 km (0.087 R)
• M8: 1,673,103 km (0.104 R)
• M9: 2,293,335 km (0.039 R)
• M10: 3,149,933 km (0.089 R)
• M11: 3,981,547 km (0.105 R)
• M12: 5,577,158 km (0.09 R)
• M13: 6,573,929 km (0.079 R)
• M14: 7,484,381 km (0.086 R)
• M15: 7,718,203 km (0.078 R)
• M16: 9,170,649 km (0.106 R)
• M17: 9,220,465 km (0.074 R)
• M18: 9,978,926 km (0.06 R)
• M19: 10,030,238 km (0.112 R)
• M20: 10,968,217 km (0.096 R)
• M21: 11,608,944 km (0.071 R)
• M22: 12,648,201 km (0.045 R)
• M23: 13,150,700 km (0.026 R)
• M24: 13,831,071 km (0.095 R)
• M25: 14,464,618 km (0.114 R)
• M26: 14,872,721 km (0.108 R)
• M27: 15,166,531 km (0.116 R)
• M28: 15,939,354 km (0.076 R)
• M29: 16,179,758 km (0.058 R)
• M30: 16,481,945 km (0.106 R)
• M31: 16,664,156 km (0.069 R)
• M32: 16,725,042 km (0.077 R)
• M33: 17,276,310 km (0.082 R)
• M34: 17,337,944 km (0.106 R)
• M35: 18,020,709 km (0.098 R)
• M36: 18,585,740 km (0.103 R)
• M37: 18,712,150 km (0.113 R)
• M38: 19,926,736 km (0.06 R)
• M39: 20,120,914 km (0.025 R)
• M40: 20,706,888 km (0.077 R)
• M41: 21,895,892 km (0.056 R)
• M42: 22,096,204 km (0.106 R)
• M43: 22,565,941 km (0.091 R)
• M44: 22,633,410 km (0.076 R)
• M45: 22,768,347 km (0.11 R)
• M46: 25,172,983 km (0.096 R)
• M47: 26,440,676 km (0.102 R)
• M48: 26,654,002 km (0.118 R)
• M49: 26,867,927 km (0.11 R)
• M50: 28,526,519 km (0.055 R)
• M51: 28,745,231 km (0.12 R)
• M52: 29,404,957 km (0.095 R)
• M53: 29,552,162 km (0.119 R)
• M54: 30,217,872 km (0.086 R)
• M55: 32,701,047 km (0.082 R)
• M56: 32,853,637 km (0.067 R)
• M57: 33,159,415 km (0.114 R)
• M58: 33,312,753 km (0.091 R)
• M59: 33,543,134 km (0.054 R)
• M60: 34,392,401 km (0.067 R)
• M61: 36,190,866 km (0.093 R)
• M62: 36,269,854 km (0.116 R)
• M63: 38,019,700 km (0.084 R)
• M64: 39,147,668 km (0.07 R)
• M65: 39,228,601 km (0.086 R)
• M66: 40,859,966 km (0.077 R)
• M67: 42,015,011 km (0.085 R)
• M68: 43,013,577 km (0.072 R)
• M69: 43,599,701 km (0.047 R)
• M70: 43,935,847 km (0.107 R)
• M71: 44,695,206 km (0.096 R)
• M72: 48,035,727 km (0.094 R)
• M73: 48,992,255 km (0.113 R)
• M74: 49,166,836 km (0.105 R)
• M75: 49,254,351 km (0.116 R)
• M76: 49,341,716 km (0.105 R)
• M77: 49,516,746 km (0.085 R)
• M78: 50,747,637 km (0.045 R)
• M79: 51,366,972 km (0.056 R)
• M80: 51,455,534 km (0.054 R)
• M81: 51,899,690 km (0.102 R)
• M82: 51,988,701 km (0.112 R)
• M83: 53,508,914 km (0.065 R)
• M84: 53,778,789 km (0.077 R)
• M85: 54,771,820 km (0.029 R)
• M86: 56,318,512 km (0.118 R)
• M87: 56,410,066 km (0.082 R)
• M88: 58,064,170 km (0.077 R)
• M89: 58,156,621 km (0.08 R)
• M90: 59,082,931 km (0.038 R)
• M91: 59,454,831 km (0.1 R)
• M92: 59,920,829 km (0.098 R)
• M93: 60,201,026 km (0.101 R)
• M94: 61,891,182 km (0.114 R)
• M95: 62,174,371 km (0.084 R)
• M96: 63,406,609 km (0.116 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: 219 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit