🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.44 AU - 0.58 AU

Year: 139 Days

Day: 36.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.49 AU - 0.75 AU

Year: 187 Days

Day: 21.7 Hours

Environment

Temp: 128 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,902,919 km

• M1: 241,750 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.8 AU - 1.08 AU

Year: 349 Days

Day: 33.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.86 AU - 1.42 AU

Year: 466 Days

Day: 29.2 Hours

Environment

Temp: -18 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,902,919 km

• M1: 164,408 km (0.036 R)
• M2: 480,359 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.95 AU - 1.58 AU

Year: 542 Days

Day: 24.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.23 AU - 1.95 AU

Year: 768 Days

Day: 44.4 Hours

Environment

Temp: -65 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.2

Radius: 9.4

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.12 AU - 4.64 AU

Year: 3510 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,902,919 km

• M1: 157,527 km (0.107 R)
• M2: 346,917 km (0.062 R)
• M3: 407,505 km (0.086 R)
• M4: 600,336 km (0.12 R)
• M5: 708,196 km (0.117 R)
• M6: 806,333 km (0.063 R)
• M7: 956,678 km (0.088 R)
• M8: 1,047,933 km (0.059 R)
• M9: 1,259,016 km (0.085 R)
• M10: 1,477,129 km (0.098 R)
• M11: 1,562,101 km (0.107 R)
• M12: 1,692,850 km (0.059 R)
• M13: 1,842,447 km (0.1 R)
• M14: 1,957,488 km (0.1 R)
• M15: 2,035,578 km (0.06 R)
• M16: 2,098,858 km (0.085 R)
• M17: 2,186,971 km (0.04 R)
• M18: 2,441,886 km (0.063 R)
• M19: 2,637,410 km (0.111 R)
• M20: 2,926,882 km (0.109 R)
• M21: 3,441,499 km (0.104 R)
• M22: 3,612,938 km (0.114 R)
• M23: 3,748,175 km (0.106 R)
• M24: 4,678,823 km (0.041 R)
• M25: 4,858,490 km (0.042 R)
• M26: 4,986,546 km (0.091 R)
• M27: 5,399,735 km (0.083 R)
• M28: 5,610,519 km (0.098 R)
• M29: 5,994,536 km (0.049 R)
• M30: 6,155,204 km (0.118 R)
• M31: 6,270,844 km (0.107 R)
• M32: 6,811,789 km (0.08 R)
• M33: 6,955,553 km (0.065 R)
• M34: 7,112,182 km (0.051 R)
• M35: 7,466,131 km (0.111 R)
• M36: 7,639,066 km (0.104 R)
• M37: 7,900,862 km (0.043 R)
• M38: 8,756,113 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.2

Radius: 4.1

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 11.11 AU - 14.29 AU

Year: 17329 Days

Day: 24.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 72,902,919 km

• M1: 72,256 km (0.119 R)
• M2: 135,087 km (0.11 R)
• M3: 254,017 km (0.11 R)
• M4: 1,086,529 km (0.043 R)
• M5: 1,789,340 km (0.035 R)
• M6: 1,929,663 km (0.058 R)
• M7: 2,097,811 km (0.104 R)
• M8: 2,270,746 km (0.064 R)
• M9: 2,499,930 km (0.061 R)
• M10: 3,230,566 km (0.116 R)
• M11: 3,287,114 km (0.082 R)
• M12: 3,430,130 km (0.07 R)
• M13: 4,329,961 km (0.087 R)
• M14: 4,518,155 km (0.067 R)
• M15: 4,709,191 km (0.102 R)
• M16: 5,165,016 km (0.107 R)
• M17: 5,364,729 km (0.079 R)
• M18: 5,909,415 km (0.084 R)
• M19: 5,978,829 km (0.045 R)
• M20: 6,048,392 km (0.083 R)
• M21: 6,471,604 km (0.106 R)
• M22: 6,795,334 km (0.114 R)
• M23: 8,180,460 km (0.094 R)
• M24: 8,491,175 km (0.09 R)
• M25: 8,608,609 km (0.106 R)
• M26: 10,729,010 km (0.079 R)
• M27: 10,856,018 km (0.081 R)
• M28: 11,197,251 km (0.064 R)
• M29: 11,369,139 km (0.112 R)
• M30: 11,628,691 km (0.105 R)
• M31: 12,552,309 km (0.117 R)
• M32: 13,271,725 km (0.065 R)
• M33: 14,797,174 km (0.1 R)
• M34: 14,985,817 km (0.102 R)
• M35: 15,413,218 km (0.098 R)
• M36: 16,621,221 km (0.1 R)
• M37: 16,768,276 km (0.098 R)
• M38: 16,866,412 km (0.076 R)
• M39: 16,964,847 km (0.066 R)
• M40: 17,459,867 km (0.072 R)
• M41: 17,709,246 km (0.059 R)
• M42: 17,859,293 km (0.044 R)
• M43: 18,616,408 km (0.066 R)
• M44: 18,820,011 km (0.09 R)
• M45: 18,922,036 km (0.087 R)
• M46: 19,953,214 km (0.119 R)
• M47: 20,057,335 km (0.093 R)
• M48: 21,640,379 km (0.105 R)
• M49: 22,338,852 km (0.12 R)
• M50: 23,208,614 km (0.053 R)
• M51: 24,478,101 km (0.092 R)
• M52: 24,868,851 km (0.116 R)
• M53: 25,261,844 km (0.102 R)
• M54: 27,894,169 km (0.093 R)
• M55: 29,183,702 km (0.11 R)
• M56: 29,242,793 km (0.048 R)
• M57: 32,063,611 km (0.117 R)
• M58: 32,185,683 km (0.113 R)
• M59: 33,228,380 km (0.098 R)
• M60: 33,475,366 km (0.053 R)
• M61: 33,661,017 km (0.027 R)
• M62: 34,220,064 km (0.099 R)
• M63: 34,407,061 km (0.077 R)
• M64: 34,719,422 km (0.117 R)
• M65: 36,996,451 km (0.106 R)
• M66: 37,444,796 km (0.067 R)
• M67: 38,088,366 km (0.107 R)
• M68: 38,541,049 km (0.041 R)
• M69: 38,800,601 km (0.058 R)
• M70: 40,172,414 km (0.077 R)
• M71: 42,627,764 km (0.112 R)
• M72: 42,694,784 km (0.106 R)
• M73: 43,907,274 km (0.112 R)
• M74: 44,042,810 km (0.106 R)
• M75: 44,653,917 km (0.099 R)
• M76: 45,404,599 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.2

Radius: 7.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 12.69 AU - 17.13 AU

Year: 22044 Days

Day: 22.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 72,902,919 km

• M1: 243,246 km (0.065 R)
• M2: 380,577 km (0.084 R)
• M3: 593,455 km (0.058 R)
• M4: 828,623 km (0.1 R)
• M5: 1,250,339 km (0.107 R)
• M6: 1,841,550 km (0.111 R)
• M7: 1,897,499 km (0.096 R)
• M8: 2,030,492 km (0.096 R)
• M9: 2,166,476 km (0.081 R)
• M10: 2,245,464 km (0.064 R)
• M11: 2,325,648 km (0.099 R)
• M12: 2,468,066 km (0.09 R)
• M13: 2,978,194 km (0.113 R)
• M14: 3,133,028 km (0.089 R)
• M15: 3,637,173 km (0.03 R)
• M16: 4,668,650 km (0.082 R)
• M17: 4,719,813 km (0.059 R)
• M18: 5,084,084 km (0.062 R)
• M19: 5,701,923 km (0.037 R)
• M20: 6,919,799 km (0.034 R)
• M21: 7,422,897 km (0.093 R)
• M22: 8,432,982 km (0.055 R)
• M23: 8,779,151 km (0.111 R)
• M24: 9,648,614 km (0.115 R)
• M25: 10,646,581 km (0.099 R)
• M26: 10,748,158 km (0.1 R)
• M27: 10,884,143 km (0.106 R)
• M28: 11,711,868 km (0.101 R)
• M29: 11,816,736 km (0.116 R)
• M30: 12,027,519 km (0.111 R)
• M31: 13,099,837 km (0.111 R)
• M32: 14,351,672 km (0.091 R)
• M33: 14,464,020 km (0.089 R)
• M34: 15,795,590 km (0.116 R)
• M35: 17,604,378 km (0.074 R)
• M36: 17,925,565 km (0.041 R)
• M37: 18,086,981 km (0.109 R)
• M38: 18,451,701 km (0.085 R)
• M39: 19,810,049 km (0.074 R)
• M40: 20,102,214 km (0.071 R)
• M41: 20,311,800 km (0.073 R)
• M42: 20,733,218 km (0.087 R)
• M43: 21,200,113 km (0.105 R)
• M44: 21,584,729 km (0.045 R)
• M45: 21,713,533 km (0.06 R)
• M46: 22,752,340 km (0.095 R)
• M47: 22,927,070 km (0.071 R)
• M48: 25,555,505 km (0.11 R)
• M49: 27,623,396 km (0.116 R)
• M50: 28,795,346 km (0.112 R)
• M51: 29,316,096 km (0.099 R)
• M52: 29,506,235 km (0.119 R)
• M53: 29,601,529 km (0.072 R)
• M54: 29,696,823 km (0.078 R)
• M55: 29,935,581 km (0.1 R)
• M56: 30,655,745 km (0.045 R)
• M57: 31,917,454 km (0.118 R)
• M58: 32,211,114 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.9

Radius: 3.8

Gravity: 31.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 13.56 AU - 17.02 AU

Year: 22892 Days

Day: 19.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 72,902,919 km

• M1: 194,776 km (0.093 R)
• M2: 284,984 km (0.116 R)
• M3: 674,387 km (0.118 R)
• M4: 813,364 km (0.111 R)
• M5: 1,012,778 km (0.119 R)
• M6: 1,282,503 km (0.11 R)
• M7: 1,339,200 km (0.103 R)
• M8: 2,180,539 km (0.068 R)
• M9: 2,248,306 km (0.116 R)
• M10: 2,351,230 km (0.117 R)
• M11: 2,455,649 km (0.112 R)
• M12: 2,633,072 km (0.11 R)
• M13: 3,000,484 km (0.094 R)
• M14: 3,621,016 km (0.09 R)
• M15: 3,741,592 km (0.088 R)
• M16: 3,945,793 km (0.118 R)
• M17: 4,364,667 km (0.109 R)
• M18: 4,666,406 km (0.119 R)
• M19: 5,198,975 km (0.108 R)
• M20: 5,891,613 km (0.106 R)
• M21: 6,224,618 km (0.092 R)
• M22: 6,272,639 km (0.094 R)
• M23: 6,760,178 km (0.082 R)
• M24: 7,108,592 km (0.102 R)
• M25: 7,361,113 km (0.106 R)
• M26: 8,400,070 km (0.076 R)
• M27: 8,453,177 km (0.082 R)
• M28: 8,613,247 km (0.1 R)
• M29: 8,720,658 km (0.111 R)
• M30: 9,318,601 km (0.093 R)
• M31: 9,428,855 km (0.091 R)
• M32: 9,594,759 km (0.115 R)
• M33: 9,761,859 km (0.087 R)
• M34: 11,249,012 km (0.053 R)
• M35: 11,899,164 km (0.084 R)
• M36: 12,379,523 km (0.115 R)
• M37: 12,683,057 km (0.082 R)
• M38: 13,359,389 km (0.12 R)
• M39: 14,491,097 km (0.087 R)
• M40: 15,653,173 km (0.09 R)
• M41: 15,718,547 km (0.095 R)
• M42: 15,849,745 km (0.097 R)
• M43: 16,377,825 km (0.107 R)
• M44: 16,577,389 km (0.1 R)
• M45: 17,248,485 km (0.094 R)
• M46: 17,519,257 km (0.068 R)
• M47: 17,587,324 km (0.082 R)
• M48: 18,409,364 km (0.109 R)
• M49: 18,686,120 km (0.092 R)
• M50: 21,021,792 km (0.116 R)
• M51: 21,238,709 km (0.104 R)
• M52: 21,966,802 km (0.092 R)
• M53: 23,074,424 km (0.1 R)
• M54: 23,223,424 km (0.058 R)
• M55: 23,298,073 km (0.102 R)
• M56: 23,973,508 km (0.118 R)
• M57: 28,397,266 km (0.093 R)
• M58: 28,877,326 km (0.117 R)
• M59: 29,764,441 km (0.092 R)
• M60: 30,333,511 km (0.111 R)
• M61: 30,906,322 km (0.091 R)
• M62: 31,979,387 km (0.114 R)
• M63: 33,653,836 km (0.033 R)
• M64: 34,246,693 km (0.113 R)
• M65: 34,587,028 km (0.085 R)
• M66: 36,132,075 km (0.069 R)
• M67: 37,174,622 km (0.057 R)
• M68: 38,138,930 km (0.074 R)
• M69: 39,645,381 km (0.115 R)
• M70: 39,823,851 km (0.105 R)
• M71: 41,171,129 km (0.064 R)
• M72: 44,929,177 km (0.107 R)
• M73: 45,675,072 km (0.075 R)
• M74: 48,032,436 km (0.113 R)
• M75: 49,177,906 km (0.096 R)
• M76: 50,719,213 km (0.094 R)
• M77: 50,816,153 km (0.12 R)
• M78: 52,374,215 km (0.119 R)
• M79: 53,355,876 km (0.06 R)
• M80: 60,498,426 km (0.069 R)
• M81: 60,909,671 km (0.07 R)
• M82: 61,115,517 km (0.107 R)
• M83: 61,424,886 km (0.093 R)
• M84: 61,838,225 km (0.088 R)
• M85: 62,459,953 km (0.046 R)
• M86: 62,667,745 km (0.082 R)
• M87: 64,023,251 km (0.093 R)
• M88: 64,547,292 km (0.115 R)
• M89: 64,652,161 km (0.093 R)
• M90: 64,757,178 km (0.094 R)
• M91: 66,339,325 km (0.099 R)
• M92: 69,972,310 km (0.085 R)
• M93: 70,080,170 km (0.076 R)
• M94: 70,836,387 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit