🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.91 AU

Year: 242 Days

Day: 41.4 Hours

Environment

Temp: 132 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,955,466 km

• M1: 460,761 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.79 AU - 0.79 AU

Year: 267 Days

Day: 16.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,955,466 km

• M1: 97,388 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.89 AU - 1.29 AU

Year: 433 Days

Day: 37.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 62,955,466 km

• M1: 125,513 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.5 AU - 1.62 AU

Year: 742 Days

Day: 34.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.88 AU - 2.2 AU

Year: 1110 Days

Day: 18.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.67 AU - 3.61 AU

Year: 2119 Days

Day: 46 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,955,466 km

• M1: 2,664,188 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882

Radius: 6.8

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.79 AU - 14.91 AU

Year: 17541 Days

Day: 18.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 62,955,466 km

• M1: 103,671 km (0.086 R)
• M2: 149,299 km (0.1 R)
• M3: 210,035 km (0.119 R)
• M4: 420,669 km (0.115 R)
• M5: 623,823 km (0.119 R)
• M6: 856,448 km (0.085 R)
• M7: 1,254,079 km (0.107 R)
• M8: 1,609,673 km (0.098 R)
• M9: 1,766,751 km (0.064 R)
• M10: 2,028,697 km (0.106 R)
• M11: 2,588,941 km (0.119 R)
• M12: 3,000,634 km (0.028 R)
• M13: 3,759,245 km (0.084 R)
• M14: 4,618,535 km (0.11 R)
• M15: 6,211,004 km (0.103 R)
• M16: 6,608,336 km (0.076 R)
• M17: 7,584,612 km (0.084 R)
• M18: 7,902,208 km (0.102 R)
• M19: 8,009,021 km (0.111 R)
• M20: 8,660,221 km (0.028 R)
• M21: 9,271,926 km (0.068 R)
• M22: 9,554,666 km (0.067 R)
• M23: 9,840,099 km (0.107 R)
• M24: 10,419,641 km (0.101 R)
• M25: 11,793,847 km (0.055 R)
• M26: 12,100,074 km (0.075 R)
• M27: 12,347,060 km (0.119 R)
• M28: 14,186,216 km (0.067 R)
• M29: 14,577,265 km (0.096 R)
• M30: 15,771,655 km (0.095 R)
• M31: 15,973,911 km (0.056 R)
• M32: 16,997,310 km (0.056 R)
• M33: 19,035,431 km (0.114 R)
• M34: 19,178,746 km (0.085 R)
• M35: 19,322,510 km (0.115 R)
• M36: 20,485,334 km (0.049 R)
• M37: 22,271,682 km (0.115 R)
• M38: 22,574,169 km (0.109 R)
• M39: 22,878,152 km (0.056 R)
• M40: 23,183,332 km (0.095 R)
• M41: 23,336,520 km (0.064 R)
• M42: 26,309,329 km (0.096 R)
• M43: 26,869,872 km (0.118 R)
• M44: 27,515,387 km (0.074 R)
• M45: 27,677,551 km (0.089 R)
• M46: 27,840,014 km (0.06 R)
• M47: 29,482,000 km (0.115 R)
• M48: 29,731,081 km (0.103 R)
• M49: 29,897,434 km (0.083 R)
• M50: 30,482,212 km (0.067 R)
• M51: 32,344,705 km (0.075 R)
• M52: 32,773,154 km (0.119 R)
• M53: 33,376,183 km (0.086 R)
• M54: 34,069,718 km (0.064 R)
• M55: 34,331,066 km (0.114 R)
• M56: 34,418,281 km (0.105 R)
• M57: 34,505,497 km (0.077 R)
• M58: 35,118,848 km (0.074 R)
• M59: 35,471,002 km (0.094 R)
• M60: 35,824,352 km (0.105 R)
• M61: 37,698,065 km (0.099 R)
• M62: 39,238,175 km (0.035 R)
• M63: 39,786,601 km (0.075 R)
• M64: 41,168,736 km (0.094 R)
• M65: 41,354,237 km (0.098 R)
• M66: 41,819,187 km (0.117 R)
• M67: 42,098,935 km (0.114 R)
• M68: 45,600,423 km (0.09 R)
• M69: 45,792,357 km (0.114 R)
• M70: 46,080,632 km (0.087 R)
• M71: 46,659,277 km (0.094 R)
• M72: 48,018,523 km (0.11 R)
• M73: 48,311,585 km (0.096 R)
• M74: 48,605,096 km (0.068 R)
• M75: 48,899,206 km (0.108 R)
• M76: 49,194,063 km (0.106 R)
• M77: 52,776,782 km (0.101 R)
• M78: 53,685,589 km (0.06 R)
• M79: 53,786,867 km (0.085 R)
• M80: 55,313,962 km (0.097 R)
• M81: 57,682,845 km (0.118 R)
• M82: 61,245,069 km (0.094 R)
• M83: 61,562,815 km (0.101 R)
• M84: 62,519,194 km (0.087 R)
• M85: 63,052,660 km (0.109 R)
• M86: 63,266,435 km (0.063 R)
• M87: 63,694,884 km (0.113 R)
• M88: 64,877,754 km (0.102 R)
• M89: 66,829,109 km (0.109 R)
• M90: 67,811,967 km (0.078 R)
• M91: 68,909,566 km (0.116 R)
• M92: 69,902,597 km (0.053 R)
• M93: 71,679,371 km (0.068 R)
• M94: 71,790,971 km (0.078 R)
• M95: 72,797,465 km (0.045 R)
• M96: 75,617,834 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.8

Radius: 7.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 14.06 AU - 20.1 AU

Year: 26880 Days

Day: 18.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 62,955,466 km

• M1: 164,558 km (0.091 R)
• M2: 386,561 km (0.061 R)
• M3: 753,076 km (0.087 R)
• M4: 902,823 km (0.102 R)
• M5: 1,182,272 km (0.111 R)
• M6: 1,256,323 km (0.118 R)
• M7: 1,817,764 km (0.078 R)
• M8: 2,080,009 km (0.059 R)
• M9: 2,139,848 km (0.077 R)
• M10: 2,511,748 km (0.062 R)
• M11: 2,607,790 km (0.058 R)
• M12: 2,970,864 km (0.094 R)
• M13: 3,038,632 km (0.068 R)
• M14: 3,314,640 km (0.112 R)
• M15: 3,491,465 km (0.097 R)
• M16: 3,562,972 km (0.12 R)
• M17: 3,744,136 km (0.053 R)
• M18: 3,854,240 km (0.041 R)
• M19: 4,576,348 km (0.032 R)
• M20: 5,380,736 km (0.104 R)
• M21: 6,756,588 km (0.106 R)
• M22: 7,026,163 km (0.117 R)
• M23: 7,299,179 km (0.107 R)
• M24: 7,437,109 km (0.086 R)
• M25: 7,855,833 km (0.118 R)
• M26: 8,619,231 km (0.119 R)
• M27: 9,757,521 km (0.093 R)
• M28: 10,215,590 km (0.069 R)
• M29: 10,942,336 km (0.088 R)
• M30: 11,364,950 km (0.089 R)
• M31: 11,739,244 km (0.043 R)
• M32: 11,793,099 km (0.069 R)
• M33: 12,280,938 km (0.091 R)
• M34: 14,412,708 km (0.101 R)
• M35: 14,875,863 km (0.106 R)
• M36: 17,447,899 km (0.107 R)
• M37: 17,509,384 km (0.059 R)
• M38: 17,879,489 km (0.109 R)
• M39: 18,314,519 km (0.076 R)
• M40: 18,502,115 km (0.032 R)
• M41: 18,879,102 km (0.105 R)
• M42: 19,768,611 km (0.093 R)
• M43: 20,025,321 km (0.096 R)
• M44: 21,193,830 km (0.117 R)
• M45: 21,588,170 km (0.079 R)
• M46: 22,584,791 km (0.076 R)
• M47: 23,122,445 km (0.115 R)
• M48: 23,664,438 km (0.084 R)
• M49: 24,691,727 km (0.118 R)
• M50: 24,968,034 km (0.095 R)
• M51: 25,454,227 km (0.084 R)
• M52: 26,577,259 km (0.093 R)
• M53: 26,647,869 km (0.094 R)
• M54: 27,144,683 km (0.071 R)
• M55: 28,003,525 km (0.092 R)
• M56: 28,508,567 km (0.114 R)
• M57: 30,336,803 km (0.108 R)
• M58: 35,575,720 km (0.118 R)
• M59: 35,653,661 km (0.106 R)
• M60: 35,966,170 km (0.116 R)
• M61: 36,515,045 km (0.086 R)
• M62: 36,672,272 km (0.112 R)
• M63: 37,303,875 km (0.095 R)
• M64: 37,621,022 km (0.119 R)
• M65: 38,577,850 km (0.114 R)
• M66: 40,759,885 km (0.107 R)
• M67: 41,578,035 km (0.096 R)
• M68: 44,484,423 km (0.115 R)
• M69: 45,242,286 km (0.106 R)
• M70: 47,283,997 km (0.064 R)
• M71: 47,455,586 km (0.095 R)
• M72: 48,229,905 km (0.108 R)
• M73: 49,008,262 km (0.1 R)
• M74: 54,393,187 km (0.093 R)
• M75: 55,655,195 km (0.112 R)
• M76: 56,199,133 km (0.098 R)
• M77: 56,380,745 km (0.099 R)
• M78: 58,300,085 km (0.088 R)
• M79: 59,221,608 km (0.05 R)
• M80: 61,265,863 km (0.101 R)
• M81: 62,861,175 km (0.059 R)
• M82: 62,955,422 km (0.044 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 11,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit