🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.93 AU - 0.99 AU

Year: 337 Days

Day: 42 Hours

Environment

Temp: 157 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.6 AU - 2.28 AU

Year: 968 Days

Day: 33.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.53 AU - 2.49 AU

Year: 1021 Days

Day: 47.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.13 AU - 2.33 AU

Year: 1193 Days

Day: 20.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.95 AU - 2.87 AU

Year: 1340 Days

Day: 47.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.42 AU - 3.08 AU

Year: 1633 Days

Day: 20.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,063,799 km

• M1: 717,621 km (0.108 R)
• M2: 1,779,317 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.56 AU - 3.58 AU

Year: 1927 Days

Day: 16.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 162.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.58 AU - 5.92 AU

Year: 3708 Days

Day: 41.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.6

Radius: 10.6

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.58 AU - 7.04 AU

Year: 6365 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 63,063,799 km

• M1: 138,228 km (0.105 R)
• M2: 336,296 km (0.078 R)
• M3: 411,993 km (0.049 R)
• M4: 876,494 km (0.034 R)
• M5: 1,056,011 km (0.039 R)
• M6: 1,646,773 km (0.111 R)
• M7: 1,788,443 km (0.071 R)
• M8: 1,934,300 km (0.058 R)
• M9: 2,084,198 km (0.081 R)
• M10: 2,510,402 km (0.111 R)
• M11: 2,698,147 km (0.073 R)
• M12: 2,988,517 km (0.102 R)
• M13: 3,314,640 km (0.09 R)
• M14: 3,443,145 km (0.111 R)
• M15: 3,652,282 km (0.118 R)
• M16: 3,946,691 km (0.076 R)
• M17: 4,558,546 km (0.102 R)
• M18: 5,349,919 km (0.105 R)
• M19: 5,440,426 km (0.061 R)
• M20: 5,746,054 km (0.058 R)
• M21: 5,838,954 km (0.08 R)
• M22: 5,932,154 km (0.081 R)
• M23: 6,278,623 km (0.101 R)
• M24: 6,470,407 km (0.081 R)
• M25: 7,057,280 km (0.099 R)
• M26: 7,123,551 km (0.111 R)
• M27: 8,142,463 km (0.072 R)
• M28: 8,456,917 km (0.069 R)
• M29: 8,704,352 km (0.116 R)
• M30: 9,828,879 km (0.12 R)
• M31: 10,426,972 km (0.098 R)
• M32: 11,191,267 km (0.034 R)
• M33: 11,658,611 km (0.077 R)
• M34: 11,855,182 km (0.099 R)
• M35: 12,411,537 km (0.062 R)
• M36: 12,491,721 km (0.094 R)
• M37: 13,057,650 km (0.118 R)
• M38: 13,673,545 km (0.036 R)
• M39: 13,880,887 km (0.105 R)
• M40: 14,214,790 km (0.104 R)
• M41: 14,340,751 km (0.115 R)
• M42: 14,636,057 km (0.084 R)
• M43: 15,189,719 km (0.036 R)
• M44: 15,318,523 km (0.057 R)
• M45: 15,404,542 km (0.049 R)
• M46: 15,663,645 km (0.067 R)
• M47: 16,142,508 km (0.098 R)
• M48: 17,969,098 km (0.047 R)
• M49: 18,150,710 km (0.089 R)
• M50: 18,333,069 km (0.059 R)
• M51: 18,470,251 km (0.115 R)
• M52: 18,561,805 km (0.066 R)
• M53: 19,907,288 km (0.087 R)
• M54: 20,567,912 km (0.095 R)
• M55: 21,379,929 km (0.047 R)
• M56: 22,593,018 km (0.098 R)
• M57: 23,381,100 km (0.109 R)
• M58: 23,579,467 km (0.032 R)
• M59: 24,228,273 km (0.098 R)
• M60: 25,390,349 km (0.112 R)
• M61: 29,251,021 km (0.086 R)
• M62: 29,625,614 km (0.034 R)
• M63: 30,163,568 km (0.067 R)
• M64: 30,379,588 km (0.104 R)
• M65: 30,650,360 km (0.065 R)
• M66: 31,030,787 km (0.069 R)
• M67: 31,194,298 km (0.083 R)
• M68: 32,126,442 km (0.106 R)
• M69: 32,512,853 km (0.055 R)
• M70: 32,845,409 km (0.071 R)
• M71: 33,179,013 km (0.118 R)
• M72: 34,242,953 km (0.059 R)
• M73: 34,863,933 km (0.028 R)
• M74: 35,716,791 km (0.049 R)
• M75: 36,289,302 km (0.085 R)
• M76: 36,519,084 km (0.057 R)
• M77: 36,807,060 km (0.117 R)
• M78: 37,385,106 km (0.054 R)
• M79: 37,559,238 km (0.082 R)
• M80: 37,733,520 km (0.105 R)
• M81: 38,024,637 km (0.081 R)
• M82: 38,374,995 km (0.117 R)
• M83: 39,019,912 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.1

Radius: 3.3

Gravity: 45.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 12.88 AU - 14.16 AU

Year: 17805 Days

Day: 21.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 63,063,799 km

• M1: 43,084 km (0.088 R)
• M2: 134,488 km (0.119 R)
• M3: 352,303 km (0.105 R)
• M4: 662,868 km (0.034 R)
• M5: 944,262 km (0.066 R)
• M6: 1,037,611 km (0.061 R)
• M7: 1,233,285 km (0.119 R)
• M8: 1,387,670 km (0.047 R)
• M9: 1,440,478 km (0.086 R)
• M10: 1,658,292 km (0.118 R)
• M11: 2,033,933 km (0.063 R)
• M12: 2,726,571 km (0.105 R)
• M13: 2,893,372 km (0.096 R)
• M14: 3,449,129 km (0.089 R)
• M15: 3,886,852 km (0.111 R)
• M16: 3,999,050 km (0.057 R)
• M17: 4,074,448 km (0.093 R)
• M18: 4,150,294 km (0.096 R)
• M19: 4,226,738 km (0.113 R)
• M20: 4,536,705 km (0.059 R)
• M21: 4,974,728 km (0.109 R)
• M22: 5,055,810 km (0.045 R)
• M23: 6,062,753 km (0.079 R)
• M24: 6,323,801 km (0.113 R)
• M25: 6,767,209 km (0.118 R)
• M26: 6,857,118 km (0.071 R)
• M27: 7,174,863 km (0.07 R)
• M28: 8,013,659 km (0.088 R)
• M29: 8,299,989 km (0.048 R)
• M30: 8,444,501 km (0.096 R)
• M31: 9,529,085 km (0.074 R)
• M32: 9,629,914 km (0.085 R)
• M33: 9,832,470 km (0.09 R)
• M34: 10,500,424 km (0.03 R)
• M35: 10,866,191 km (0.088 R)
• M36: 13,427,755 km (0.115 R)
• M37: 14,340,302 km (0.09 R)
• M38: 14,455,642 km (0.09 R)
• M39: 14,513,537 km (0.087 R)
• M40: 15,805,613 km (0.034 R)
• M41: 16,646,802 km (0.101 R)
• M42: 16,889,899 km (0.101 R)
• M43: 17,379,383 km (0.117 R)
• M44: 17,873,654 km (0.108 R)
• M45: 17,935,738 km (0.101 R)
• M46: 19,511,302 km (0.067 R)
• M47: 20,218,451 km (0.027 R)
• M48: 20,672,930 km (0.109 R)
• M49: 20,868,604 km (0.054 R)
• M50: 21,923,119 km (0.112 R)
• M51: 22,657,944 km (0.048 R)
• M52: 23,265,311 km (0.109 R)
• M53: 23,605,048 km (0.065 R)
• M54: 26,028,384 km (0.074 R)
• M55: 26,239,766 km (0.088 R)
• M56: 26,806,143 km (0.115 R)
• M57: 27,090,978 km (0.115 R)
• M58: 27,663,489 km (0.08 R)
• M59: 28,023,272 km (0.084 R)
• M60: 28,820,329 km (0.033 R)
• M61: 29,331,355 km (0.109 R)
• M62: 29,551,264 km (0.055 R)
• M63: 30,066,629 km (0.029 R)
• M64: 30,140,530 km (0.068 R)
• M65: 30,882,536 km (0.097 R)
• M66: 31,705,623 km (0.106 R)
• M67: 31,855,969 km (0.073 R)
• M68: 32,233,105 km (0.112 R)
• M69: 34,449,248 km (0.108 R)
• M70: 35,536,525 km (0.085 R)
• M71: 36,006,113 km (0.103 R)
• M72: 38,383,822 km (0.074 R)
• M73: 39,026,494 km (0.074 R)
• M74: 40,648,434 km (0.086 R)
• M75: 40,975,455 km (0.086 R)
• M76: 42,955,981 km (0.092 R)
• M77: 43,122,484 km (0.107 R)
• M78: 44,883,101 km (0.047 R)
• M79: 45,729,676 km (0.094 R)
• M80: 45,899,619 km (0.083 R)
• M81: 47,610,570 km (0.087 R)
• M82: 48,214,347 km (0.109 R)
• M83: 49,516,746 km (0.064 R)
• M84: 50,742,700 km (0.11 R)
• M85: 51,978,528 km (0.116 R)
• M86: 55,745,103 km (0.094 R)
• M87: 57,202,935 km (0.083 R)
• M88: 59,227,891 km (0.097 R)
• M89: 60,808,692 km (0.082 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 17,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit