🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.49 AU - 0.57 AU

Year: 138 Days

Day: 42.8 Hours

Environment

Temp: 216 °C

Axial Tilt: 44.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.06 AU - 1.14 AU

Year: 413 Days

Day: 35.3 Hours

Environment

Temp: 36 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.13 AU - 1.71 AU

Year: 606 Days

Day: 35.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.59 AU - 1.79 AU

Year: 787 Days

Day: 13.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.84 AU - 2 AU

Year: 953 Days

Day: 37.6 Hours

Environment

Temp: -55 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,428,461 km

• M1: 25,731 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.38 AU - 2.44 AU

Year: 1340 Days

Day: 42.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.4 AU - 5.2 AU

Year: 3766 Days

Day: 34.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,428,461 km

• M1: 2,169,020 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 11.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.23 AU - 6.39 AU

Year: 4382 Days

Day: 6.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 83,428,461 km

• M1: 161,117 km (0.084 R)
• M2: 274,063 km (0.065 R)
• M3: 359,932 km (0.043 R)
• M4: 501,153 km (0.042 R)
• M5: 609,911 km (0.08 R)
• M6: 823,536 km (0.068 R)
• M7: 916,287 km (0.102 R)
• M8: 1,147,416 km (0.053 R)
• M9: 1,234,781 km (0.094 R)
• M10: 1,539,661 km (0.066 R)
• M11: 1,920,238 km (0.064 R)
• M12: 1,993,691 km (0.048 R)
• M13: 2,208,663 km (0.118 R)
• M14: 2,420,194 km (0.045 R)
• M15: 2,522,669 km (0.111 R)
• M16: 2,615,120 km (0.116 R)
• M17: 2,827,250 km (0.113 R)
• M18: 3,045,214 km (0.116 R)
• M19: 3,344,410 km (0.108 R)
• M20: 3,420,705 km (0.071 R)
• M21: 3,523,479 km (0.07 R)
• M22: 3,614,135 km (0.107 R)
• M23: 3,797,991 km (0.099 R)
• M24: 4,409,846 km (0.056 R)
• M25: 4,620,629 km (0.111 R)
• M26: 4,734,473 km (0.104 R)
• M27: 5,169,803 km (0.068 R)
• M28: 5,273,175 km (0.084 R)
• M29: 5,542,302 km (0.105 R)
• M30: 6,001,119 km (0.083 R)
• M31: 6,392,766 km (0.098 R)
• M32: 6,551,788 km (0.108 R)
• M33: 6,663,837 km (0.071 R)
• M34: 6,825,104 km (0.029 R)
• M35: 6,922,492 km (0.066 R)
• M36: 7,184,587 km (0.053 R)
• M37: 7,283,621 km (0.091 R)
• M38: 7,583,714 km (0.115 R)
• M39: 8,213,222 km (0.107 R)
• M40: 8,438,517 km (0.113 R)
• M41: 8,595,594 km (0.027 R)
• M42: 8,683,259 km (0.101 R)
• M43: 9,144,170 km (0.096 R)
• M44: 9,305,586 km (0.111 R)
• M45: 9,722,515 km (0.077 R)
• M46: 9,850,571 km (0.081 R)
• M47: 9,979,225 km (0.099 R)
• M48: 10,201,079 km (0.055 R)
• M49: 10,312,679 km (0.069 R)
• M50: 10,480,827 km (0.044 R)
• M51: 10,895,512 km (0.108 R)
• M52: 10,990,507 km (0.103 R)
• M53: 11,104,949 km (0.053 R)
• M54: 11,450,371 km (0.038 R)
• M55: 11,527,713 km (0.091 R)
• M56: 11,702,144 km (0.037 R)
• M57: 11,780,084 km (0.084 R)
• M58: 11,975,459 km (0.099 R)
• M59: 13,109,411 km (0.11 R)
• M60: 13,474,729 km (0.072 R)
• M61: 13,597,100 km (0.084 R)
• M62: 13,740,564 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.8

Radius: 6.3

Gravity: 22.24 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 12.7 AU - 16.74 AU

Year: 20227 Days

Day: 24.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 83,428,461 km

• M1: 263,143 km (0.064 R)
• M2: 350,358 km (0.116 R)
• M3: 578,046 km (0.079 R)
• M4: 647,609 km (0.051 R)
• M5: 795,711 km (0.074 R)
• M6: 1,153,400 km (0.095 R)
• M7: 1,688,661 km (0.118 R)
• M8: 1,790,387 km (0.074 R)
• M9: 2,035,578 km (0.114 R)
• M10: 2,404,187 km (0.094 R)
• M11: 2,873,775 km (0.06 R)
• M12: 3,244,479 km (0.107 R)
• M13: 3,806,219 km (0.084 R)
• M14: 3,895,379 km (0.065 R)
• M15: 4,030,316 km (0.091 R)
• M16: 4,920,573 km (0.077 R)
• M17: 5,115,499 km (0.113 R)
• M18: 5,462,865 km (0.082 R)
• M19: 6,390,671 km (0.075 R)
• M20: 6,549,993 km (0.08 R)
• M21: 7,758,146 km (0.094 R)
• M22: 8,974,077 km (0.065 R)
• M23: 9,033,467 km (0.082 R)
• M24: 9,939,582 km (0.104 R)
• M25: 10,497,133 km (0.111 R)
• M26: 10,559,665 km (0.07 R)
• M27: 10,622,346 km (0.1 R)
• M28: 11,513,202 km (0.113 R)
• M29: 11,642,305 km (0.116 R)
• M30: 12,032,905 km (0.098 R)
• M31: 14,049,035 km (0.066 R)
• M32: 14,395,055 km (0.088 R)
• M33: 15,025,161 km (0.059 R)
• M34: 16,457,112 km (0.064 R)
• M35: 18,989,655 km (0.082 R)
• M36: 21,006,533 km (0.071 R)
• M37: 21,800,150 km (0.096 R)
• M38: 22,603,640 km (0.107 R)
• M39: 24,820,980 km (0.066 R)
• M40: 25,323,030 km (0.119 R)
• M41: 25,575,402 km (0.064 R)
• M42: 26,337,304 km (0.12 R)
• M43: 26,849,377 km (0.065 R)
• M44: 30,257,067 km (0.114 R)
• M45: 31,242,618 km (0.088 R)
• M46: 31,875,267 km (0.072 R)
• M47: 32,056,729 km (0.087 R)
• M48: 33,798,348 km (0.119 R)
• M49: 35,476,387 km (0.113 R)
• M50: 36,041,717 km (0.066 R)
• M51: 39,788,396 km (0.093 R)
• M52: 40,179,744 km (0.084 R)
• M53: 41,360,969 km (0.067 R)
• M54: 41,658,070 km (0.077 R)
• M55: 43,053,968 km (0.067 R)
• M56: 43,858,505 km (0.054 R)
• M57: 47,229,245 km (0.109 R)
• M58: 47,332,766 km (0.117 R)
• M59: 47,539,810 km (0.08 R)
• M60: 48,058,914 km (0.116 R)
• M61: 49,732,615 km (0.032 R)
• M62: 50,470,731 km (0.099 R)
• M63: 50,788,328 km (0.079 R)
• M64: 51,531,679 km (0.099 R)
• M65: 53,029,154 km (0.105 R)
• M66: 53,244,276 km (0.103 R)
• M67: 53,891,287 km (0.093 R)
• M68: 54,649,449 km (0.109 R)
• M69: 55,084,330 km (0.087 R)
• M70: 60,166,768 km (0.078 R)
• M71: 61,517,038 km (0.079 R)
• M72: 62,309,159 km (0.1 R)
• M73: 63,104,870 km (0.039 R)
• M74: 63,675,286 km (0.084 R)
• M75: 65,281,369 km (0.113 R)
• M76: 65,511,900 km (0.104 R)
• M77: 66,668,590 km (0.106 R)
• M78: 67,715,476 km (0.112 R)
• M79: 69,472,204 km (0.076 R)
• M80: 70,533,451 km (0.077 R)
• M81: 71,600,084 km (0.064 R)
• M82: 71,718,865 km (0.03 R)
• M83: 74,109,439 km (0.119 R)
• M84: 74,952,273 km (0.061 R)
• M85: 75,314,450 km (0.117 R)
• M86: 75,798,249 km (0.043 R)
• M87: 77,256,080 km (0.115 R)
• M88: 77,377,853 km (0.104 R)
• M89: 78,232,954 km (0.027 R)
• M90: 80,816,809 km (0.087 R)
• M91: 82,804,067 km (0.064 R)
• M92: 83,303,425 km (0.081 R)

Kuiper Belt

Range: 30.6 - 50.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 14,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit