🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.63 AU - 0.69 AU

Year: 193 Days

Day: 33.9 Hours

Environment

Temp: 169 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,223,459 km

• M1: 372,200 km (0.12 R)
• M2: 403,316 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.78 AU

Year: 197 Days

Day: 26.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.52 AU - 0.86 AU

Year: 206 Days

Day: 13.3 Hours

Environment

Temp: 162 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.31 AU

Year: 432 Days

Day: 13.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.23 AU - 1.63 AU

Year: 615 Days

Day: 12.4 Hours

Environment

Temp: -24 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.39 AU - 1.95 AU

Year: 777 Days

Day: 14.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.74 AU - 1.84 AU

Year: 862 Days

Day: 48 Hours

Environment

Temp: -57 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,223,459 km

• M1: 217,814 km (0.091 R)
• M2: 1,437,935 km (0.058 R)

Asteroid Belt

Center: 3.89 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.9

Radius: 12

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.56 AU - 6.4 AU

Year: 5263 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 68,223,459 km

• M1: 168,148 km (0.056 R)
• M2: 262,245 km (0.119 R)
• M3: 352,303 km (0.095 R)
• M4: 489,933 km (0.045 R)
• M5: 1,009,337 km (0.107 R)
• M6: 1,127,818 km (0.113 R)
• M7: 1,282,951 km (0.107 R)
• M8: 1,755,980 km (0.053 R)
• M9: 1,937,741 km (0.064 R)
• M10: 2,340,159 km (0.091 R)
• M11: 2,480,183 km (0.044 R)
• M12: 3,111,935 km (0.077 R)
• M13: 3,288,909 km (0.045 R)
• M14: 3,537,541 km (0.054 R)
• M15: 4,077,440 km (0.099 R)
• M16: 4,593,253 km (0.105 R)
• M17: 5,077,801 km (0.067 R)
• M18: 5,155,741 km (0.11 R)
• M19: 5,713,292 km (0.104 R)
• M20: 6,123,340 km (0.09 R)
• M21: 6,234,192 km (0.1 R)
• M22: 6,713,354 km (0.108 R)
• M23: 6,856,669 km (0.046 R)
• M24: 7,528,513 km (0.096 R)
• M25: 9,378,889 km (0.095 R)
• M26: 9,507,094 km (0.12 R)
• M27: 9,603,585 km (0.065 R)
• M28: 9,700,375 km (0.097 R)
• M29: 9,960,226 km (0.053 R)
• M30: 10,091,124 km (0.09 R)
• M31: 10,753,693 km (0.116 R)
• M32: 10,854,373 km (0.099 R)
• M33: 10,989,011 km (0.118 R)
• M34: 12,931,988 km (0.071 R)
• M35: 13,723,959 km (0.079 R)
• M36: 13,869,667 km (0.04 R)
• M37: 14,273,133 km (0.09 R)
• M38: 14,568,888 km (0.1 R)
• M39: 15,279,478 km (0.111 R)
• M40: 15,354,875 km (0.112 R)
• M41: 15,886,695 km (0.115 R)
• M42: 16,424,500 km (0.085 R)
• M43: 16,773,362 km (0.059 R)
• M44: 17,203,007 km (0.069 R)
• M45: 17,794,966 km (0.114 R)
• M46: 19,120,553 km (0.116 R)
• M47: 19,733,605 km (0.098 R)
• M48: 19,898,162 km (0.095 R)
• M49: 21,231,229 km (0.068 R)
• M50: 21,357,639 km (0.088 R)
• M51: 21,611,357 km (0.116 R)
• M52: 22,121,636 km (0.063 R)
• M53: 22,464,065 km (0.114 R)
• M54: 22,851,374 km (0.096 R)
• M55: 23,763,771 km (0.085 R)
• M56: 24,290,356 km (0.113 R)
• M57: 24,555,294 km (0.119 R)
• M58: 24,732,268 km (0.101 R)
• M59: 25,579,142 km (0.104 R)
• M60: 25,758,659 km (0.108 R)
• M61: 26,299,754 km (0.074 R)
• M62: 27,072,577 km (0.061 R)
• M63: 27,209,758 km (0.103 R)
• M64: 27,806,803 km (0.062 R)
• M65: 28,269,061 km (0.118 R)
• M66: 29,060,733 km (0.094 R)
• M67: 29,671,092 km (0.109 R)
• M68: 30,856,506 km (0.064 R)
• M69: 30,952,099 km (0.104 R)
• M70: 31,383,090 km (0.091 R)
• M71: 31,479,132 km (0.06 R)
• M72: 31,864,346 km (0.065 R)
• M73: 32,493,705 km (0.058 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 15

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.7 AU - 7.44 AU

Year: 5382 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 68,223,459 km

• M1: 221,854 km (0.083 R)
• M2: 343,477 km (0.098 R)
• M3: 513,121 km (0.037 R)
• M4: 732,880 km (0.073 R)
• M5: 855,999 km (0.108 R)
• M6: 1,110,315 km (0.086 R)
• M7: 1,239,119 km (0.113 R)
• M8: 1,425,069 km (0.064 R)
• M9: 1,694,345 km (0.077 R)
• M10: 1,902,885 km (0.072 R)
• M11: 2,059,963 km (0.071 R)
• M12: 2,221,678 km (0.078 R)
• M13: 2,430,068 km (0.092 R)
• M14: 2,866,295 km (0.077 R)
• M15: 3,002,280 km (0.106 R)
• M16: 4,115,138 km (0.075 R)
• M17: 4,269,224 km (0.11 R)
• M18: 4,556,751 km (0.067 R)
• M19: 4,743,000 km (0.068 R)
• M20: 4,931,943 km (0.096 R)
• M21: 5,317,307 km (0.117 R)
• M22: 5,769,990 km (0.103 R)
• M23: 6,000,969 km (0.107 R)
• M24: 6,561,961 km (0.091 R)
• M25: 7,016,888 km (0.098 R)
• M26: 7,140,007 km (0.067 R)
• M27: 7,357,074 km (0.083 R)
• M28: 7,513,553 km (0.07 R)
• M29: 7,957,560 km (0.075 R)
• M30: 8,085,915 km (0.104 R)
• M31: 9,104,826 km (0.091 R)
• M32: 9,239,314 km (0.059 R)
• M33: 9,852,516 km (0.073 R)
• M34: 9,956,037 km (0.088 R)
• M35: 10,094,565 km (0.094 R)
• M36: 10,233,841 km (0.115 R)
• M37: 10,939,643 km (0.089 R)
• M38: 11,118,563 km (0.045 R)
• M39: 12,734,668 km (0.118 R)
• M40: 12,960,860 km (0.096 R)
• M41: 13,226,247 km (0.119 R)
• M42: 13,762,555 km (0.061 R)
• M43: 14,150,163 km (0.074 R)
• M44: 14,777,577 km (0.099 R)
• M45: 15,374,173 km (0.115 R)
• M46: 15,816,833 km (0.07 R)
• M47: 16,141,311 km (0.1 R)
• M48: 16,509,023 km (0.099 R)
• M49: 17,086,470 km (0.041 R)
• M50: 17,419,475 km (0.11 R)
• M51: 17,628,763 km (0.1 R)
• M52: 17,923,022 km (0.083 R)
• M53: 18,601,897 km (0.048 R)
• M54: 19,462,384 km (0.115 R)
• M55: 19,592,534 km (0.098 R)
• M56: 20,733,068 km (0.117 R)
• M57: 21,311,413 km (0.116 R)
• M58: 23,862,955 km (0.035 R)
• M59: 24,048,905 km (0.087 R)
• M60: 24,235,304 km (0.041 R)
• M61: 25,080,233 km (0.041 R)
• M62: 26,557,811 km (0.108 R)
• M63: 27,137,353 km (0.025 R)
• M64: 27,282,912 km (0.115 R)
• M65: 27,672,315 km (0.105 R)
• M66: 28,604,609 km (0.1 R)
• M67: 29,547,075 km (0.11 R)
• M68: 29,646,857 km (0.034 R)
• M69: 30,600,693 km (0.028 R)
• M70: 33,366,159 km (0.09 R)
• M71: 33,991,628 km (0.1 R)
• M72: 34,358,143 km (0.073 R)
• M73: 34,831,471 km (0.091 R)
• M74: 34,989,596 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.9

Radius: 5.6

Gravity: 22.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 11.74 AU - 14.3 AU

Year: 16908 Days

Day: 22.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 106.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 68,223,459 km

• M1: 75,697 km (0.096 R)
• M2: 118,482 km (0.116 R)
• M3: 220,657 km (0.08 R)
• M4: 355,295 km (0.057 R)
• M5: 515,963 km (0.058 R)
• M6: 1,469,500 km (0.099 R)
• M7: 1,848,730 km (0.109 R)
• M8: 2,522,220 km (0.093 R)
• M9: 2,692,911 km (0.097 R)
• M10: 3,338,127 km (0.111 R)
• M11: 3,375,377 km (0.105 R)
• M12: 4,637,534 km (0.078 R)
• M13: 4,804,635 km (0.113 R)
• M14: 6,441,834 km (0.119 R)
• M15: 8,537,850 km (0.073 R)
• M16: 9,209,544 km (0.093 R)
• M17: 9,578,303 km (0.088 R)
• M18: 9,631,410 km (0.094 R)
• M19: 10,113,414 km (0.073 R)
• M20: 11,212,510 km (0.093 R)
• M21: 11,662,650 km (0.103 R)
• M22: 12,061,478 km (0.108 R)
• M23: 12,755,462 km (0.061 R)
• M24: 12,989,583 km (0.064 R)
• M25: 14,729,556 km (0.11 R)
• M26: 15,470,664 km (0.102 R)
• M27: 15,845,855 km (0.113 R)
• M28: 17,053,409 km (0.111 R)
• M29: 17,505,644 km (0.075 R)
• M30: 17,635,644 km (0.086 R)
• M31: 17,896,543 km (0.084 R)
• M32: 18,952,704 km (0.094 R)
• M33: 19,758,139 km (0.056 R)
• M34: 20,711,825 km (0.119 R)
• M35: 21,263,393 km (0.1 R)
• M36: 22,592,869 km (0.062 R)
• M37: 22,734,388 km (0.064 R)
• M38: 22,947,266 km (0.025 R)
• M39: 24,382,807 km (0.038 R)
• M40: 24,673,476 km (0.096 R)
• M41: 25,331,407 km (0.111 R)
• M42: 25,478,462 km (0.072 R)
• M43: 25,552,064 km (0.039 R)
• M44: 25,773,320 km (0.048 R)
• M45: 25,995,323 km (0.078 R)
• M46: 27,039,217 km (0.113 R)
• M47: 27,114,315 km (0.091 R)
• M48: 27,641,797 km (0.046 R)
• M49: 27,717,493 km (0.05 R)
• M50: 28,783,678 km (0.097 R)
• M51: 29,708,192 km (0.114 R)
• M52: 30,486,101 km (0.093 R)
• M53: 32,539,781 km (0.103 R)
• M54: 32,859,771 km (0.115 R)
• M55: 33,341,625 km (0.079 R)
• M56: 34,393,448 km (0.105 R)
• M57: 35,620,749 km (0.113 R)
• M58: 36,862,262 km (0.112 R)
• M59: 37,112,240 km (0.037 R)
• M60: 37,697,766 km (0.115 R)
• M61: 38,962,765 km (0.066 R)
• M62: 39,132,409 km (0.114 R)
• M63: 39,472,595 km (0.06 R)
• M64: 39,557,866 km (0.066 R)
• M65: 46,388,654 km (0.045 R)
• M66: 51,605,281 km (0.087 R)
• M67: 53,290,801 km (0.086 R)
• M68: 53,667,787 km (0.051 R)
• M69: 54,709,138 km (0.111 R)
• M70: 54,899,127 km (0.111 R)
• M71: 56,044,000 km (0.03 R)
• M72: 56,715,545 km (0.096 R)
• M73: 56,907,928 km (0.084 R)
• M74: 57,582,764 km (0.106 R)
• M75: 57,872,834 km (0.089 R)
• M76: 58,454,470 km (0.103 R)
• M77: 58,843,275 km (0.093 R)
• M78: 59,428,053 km (0.046 R)
• M79: 59,916,939 km (0.117 R)
• M80: 60,014,776 km (0.071 R)
• M81: 60,800,165 km (0.085 R)
• M82: 61,687,580 km (0.081 R)
• M83: 61,885,498 km (0.093 R)
• M84: 63,975,230 km (0.067 R)
• M85: 64,375,853 km (0.115 R)
• M86: 64,476,084 km (0.115 R)
• M87: 66,290,257 km (0.114 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit