🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.99 AU - 1.57 AU

Year: 432 Days

Day: 19.3 Hours

Environment

Temp: 226 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.61 AU - 1.97 AU

Year: 714 Days

Day: 28 Hours

Environment

Temp: 159 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.77 AU - 2.89 AU

Year: 1061 Days

Day: 29.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 63,818,839 km

• M1: 148,551 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.83 AU - 3.83 AU

Year: 1812 Days

Day: 47 Hours

Environment

Temp: -49 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.14 AU - 4.4 AU

Year: 2183 Days

Day: 15.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 116.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.79 AU - 8.25 AU

Year: 6773 Days

Day: 39.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,818,839 km

• M1: 683,812 km (0.119 R)

Asteroid Belt

Center: 9.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 12.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.65 AU - 11.01 AU

Year: 9901 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 68.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 63,818,839 km

• M1: 181,013 km (0.083 R)
• M2: 276,457 km (0.035 R)
• M3: 543,040 km (0.048 R)
• M4: 695,032 km (0.082 R)
• M5: 1,096,852 km (0.1 R)
• M6: 1,185,713 km (0.053 R)
• M7: 1,709,006 km (0.068 R)
• M8: 1,898,846 km (0.034 R)
• M9: 2,162,736 km (0.101 R)
• M10: 2,345,545 km (0.104 R)
• M11: 2,509,803 km (0.081 R)
• M12: 2,629,482 km (0.03 R)
• M13: 3,282,626 km (0.09 R)
• M14: 3,846,311 km (0.052 R)
• M15: 4,153,734 km (0.104 R)
• M16: 4,324,725 km (0.077 R)
• M17: 4,644,565 km (0.063 R)
• M18: 4,882,127 km (0.03 R)
• M19: 5,524,500 km (0.072 R)
• M20: 5,999,772 km (0.094 R)
• M21: 6,096,412 km (0.034 R)
• M22: 6,620,753 km (0.1 R)
• M23: 7,023,620 km (0.039 R)
• M24: 7,262,378 km (0.089 R)
• M25: 7,469,122 km (0.06 R)
• M26: 7,573,243 km (0.118 R)
• M27: 8,823,582 km (0.108 R)
• M28: 10,329,733 km (0.084 R)
• M29: 10,523,612 km (0.091 R)
• M30: 10,836,421 km (0.115 R)
• M31: 11,033,292 km (0.035 R)
• M32: 12,901,021 km (0.114 R)
• M33: 14,171,257 km (0.108 R)
• M34: 15,040,121 km (0.096 R)
• M35: 15,926,189 km (0.098 R)
• M36: 16,330,403 km (0.041 R)
• M37: 17,194,929 km (0.087 R)
• M38: 18,167,764 km (0.115 R)
• M39: 18,543,105 km (0.12 R)
• M40: 19,015,984 km (0.088 R)
• M41: 19,206,123 km (0.101 R)
• M42: 19,684,537 km (0.088 R)
• M43: 20,070,050 km (0.095 R)
• M44: 20,506,727 km (0.104 R)
• M45: 23,344,598 km (0.062 R)
• M46: 23,446,325 km (0.099 R)
• M47: 23,752,552 km (0.115 R)
• M48: 23,957,501 km (0.054 R)
• M49: 25,933,539 km (0.045 R)
• M50: 26,409,111 km (0.086 R)
• M51: 27,530,197 km (0.038 R)
• M52: 27,637,758 km (0.077 R)
• M53: 28,231,961 km (0.111 R)
• M54: 30,539,209 km (0.109 R)
• M55: 30,706,309 km (0.052 R)
• M56: 30,817,909 km (0.115 R)
• M57: 31,490,202 km (0.111 R)
• M58: 31,659,098 km (0.118 R)
• M59: 32,621,611 km (0.057 R)
• M60: 33,478,807 km (0.116 R)
• M61: 34,691,297 km (0.072 R)
• M62: 35,273,682 km (0.087 R)
• M63: 35,683,281 km (0.117 R)
• M64: 36,094,525 km (0.102 R)
• M65: 36,566,507 km (0.114 R)
• M66: 37,159,213 km (0.118 R)
• M67: 39,258,820 km (0.093 R)
• M68: 39,926,625 km (0.073 R)
• M69: 40,414,613 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 21.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.8

Radius: 5.2

Gravity: 15.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 18.59 AU - 24.85 AU

Year: 30188 Days

Day: 24.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 63,818,839 km

• M1: 125,812 km (0.118 R)
• M2: 221,704 km (0.109 R)
• M3: 800,797 km (0.047 R)
• M4: 1,020,706 km (0.107 R)
• M5: 1,108,071 km (0.117 R)
• M6: 1,352,963 km (0.078 R)
• M7: 2,221,379 km (0.103 R)
• M8: 3,443,294 km (0.057 R)
• M9: 3,575,090 km (0.117 R)
• M10: 3,843,917 km (0.066 R)
• M11: 3,935,022 km (0.097 R)
• M12: 4,212,526 km (0.073 R)
• M13: 4,884,370 km (0.111 R)
• M14: 4,933,588 km (0.072 R)
• M15: 6,486,713 km (0.114 R)
• M16: 6,704,378 km (0.048 R)
• M17: 7,035,438 km (0.042 R)
• M18: 7,770,861 km (0.11 R)
• M19: 9,009,532 km (0.1 R)
• M20: 10,562,208 km (0.05 R)
• M21: 10,754,142 km (0.118 R)
• M22: 11,271,302 km (0.073 R)
• M23: 12,464,345 km (0.069 R)
• M24: 12,802,735 km (0.077 R)
• M25: 13,976,031 km (0.117 R)
• M26: 14,753,342 km (0.07 R)
• M27: 15,544,565 km (0.045 R)
• M28: 16,128,745 km (0.075 R)
• M29: 16,423,453 km (0.117 R)
• M30: 16,868,955 km (0.09 R)
• M31: 17,168,151 km (0.092 R)
• M32: 17,847,624 km (0.12 R)
• M33: 18,228,949 km (0.057 R)
• M34: 18,844,694 km (0.095 R)
• M35: 18,922,186 km (0.062 R)
• M36: 20,254,804 km (0.081 R)
• M37: 20,652,584 km (0.117 R)
• M38: 20,732,320 km (0.078 R)
• M39: 21,294,210 km (0.063 R)
• M40: 22,105,479 km (0.11 R)
• M41: 23,925,487 km (0.109 R)
• M42: 28,325,609 km (0.04 R)
• M43: 29,127,453 km (0.103 R)
• M44: 29,396,430 km (0.05 R)
• M45: 29,936,927 km (0.057 R)
• M46: 30,571,522 km (0.115 R)
• M47: 31,577,717 km (0.069 R)
• M48: 31,669,720 km (0.118 R)
• M49: 32,408,883 km (0.117 R)
• M50: 32,780,633 km (0.117 R)
• M51: 33,998,659 km (0.1 R)
• M52: 34,281,848 km (0.077 R)
• M53: 36,093,478 km (0.083 R)
• M54: 36,285,861 km (0.088 R)
• M55: 36,575,333 km (0.092 R)
• M56: 36,671,973 km (0.103 R)
• M57: 37,740,551 km (0.077 R)
• M58: 38,917,736 km (0.078 R)
• M59: 40,107,189 km (0.094 R)
• M60: 40,506,167 km (0.095 R)
• M61: 41,913,434 km (0.117 R)
• M62: 42,826,430 km (0.114 R)
• M63: 43,030,182 km (0.076 R)
• M64: 43,541,059 km (0.049 R)
• M65: 44,775,391 km (0.104 R)
• M66: 45,500,791 km (0.112 R)
• M67: 46,125,511 km (0.089 R)
• M68: 46,962,960 km (0.115 R)
• M69: 47,911,112 km (0.101 R)
• M70: 49,719,152 km (0.076 R)
• M71: 50,685,404 km (0.097 R)
• M72: 51,983,315 km (0.114 R)
• M73: 53,182,641 km (0.059 R)
• M74: 54,170,735 km (0.1 R)
• M75: 55,719,672 km (0.084 R)
• M76: 56,611,425 km (0.11 R)
• M77: 57,171,070 km (0.034 R)
• M78: 57,395,467 km (0.033 R)
• M79: 57,620,163 km (0.116 R)
• M80: 62,405,500 km (0.054 R)
• M81: 63,447,299 km (0.111 R)
• M82: 63,912,250 km (0.057 R)
• M83: 64,845,441 km (0.105 R)
• M84: 65,665,686 km (0.115 R)
• M85: 67,672,093 km (0.094 R)
• M86: 70,058,029 km (0.116 R)
• M87: 72,228,844 km (0.075 R)
• M88: 73,079,009 km (0.107 R)
• M89: 73,322,554 km (0.108 R)
• M90: 73,810,393 km (0.118 R)
• M91: 74,054,686 km (0.062 R)
• M92: 75,280,491 km (0.118 R)
• M93: 77,751,848 km (0.111 R)
• M94: 83,154,575 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 22.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 6.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 20.3 AU - 23.98 AU

Year: 31068 Days

Day: 23.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 63,818,839 km

• M1: 234,719 km (0.106 R)
• M2: 1,830,480 km (0.112 R)
• M3: 2,218,536 km (0.083 R)
• M4: 2,598,964 km (0.108 R)
• M5: 2,730,311 km (0.117 R)
• M6: 2,897,711 km (0.045 R)
• M7: 3,102,959 km (0.086 R)
• M8: 3,312,845 km (0.061 R)
• M9: 3,563,720 km (0.08 R)
• M10: 4,121,870 km (0.064 R)
• M11: 4,548,374 km (0.091 R)
• M12: 4,988,939 km (0.093 R)
• M13: 6,434,952 km (0.102 R)
• M14: 9,423,319 km (0.03 R)
• M15: 9,676,589 km (0.033 R)
• M16: 10,137,949 km (0.076 R)
• M17: 11,999,245 km (0.119 R)
• M18: 13,733,683 km (0.104 R)
• M19: 14,251,740 km (0.032 R)
• M20: 14,425,872 km (0.093 R)
• M21: 14,484,066 km (0.076 R)
• M22: 14,893,665 km (0.073 R)
• M23: 17,491,731 km (0.116 R)
• M24: 17,990,341 km (0.092 R)
• M25: 19,193,257 km (0.12 R)
• M26: 20,552,653 km (0.109 R)
• M27: 21,675,834 km (0.063 R)
• M28: 22,278,414 km (0.06 R)
• M29: 23,363,298 km (0.044 R)
• M30: 23,705,877 km (0.048 R)
• M31: 26,791,183 km (0.071 R)
• M32: 29,851,806 km (0.047 R)
• M33: 33,097,931 km (0.066 R)
• M34: 33,328,461 km (0.108 R)
• M35: 34,101,134 km (0.047 R)
• M36: 34,256,267 km (0.107 R)
• M37: 35,035,971 km (0.077 R)
• M38: 36,216,298 km (0.082 R)
• M39: 36,295,585 km (0.066 R)
• M40: 37,409,790 km (0.068 R)
• M41: 38,051,565 km (0.11 R)
• M42: 38,293,165 km (0.116 R)
• M43: 42,143,964 km (0.12 R)
• M44: 43,146,868 km (0.094 R)
• M45: 46,718,069 km (0.106 R)
• M46: 49,150,979 km (0.039 R)
• M47: 49,501,935 km (0.078 R)
• M48: 49,853,640 km (0.1 R)
• M49: 51,535,718 km (0.083 R)
• M50: 51,713,890 km (0.112 R)
• M51: 53,506,670 km (0.092 R)
• M52: 54,773,615 km (0.093 R)
• M53: 56,876,512 km (0.107 R)
• M54: 57,706,481 km (0.063 R)
• M55: 59,191,988 km (0.076 R)
• M56: 59,378,536 km (0.119 R)
• M57: 59,658,733 km (0.076 R)
• M58: 61,916,315 km (0.104 R)
• M59: 63,246,090 km (0.096 R)

Kuiper Belt

Range: 36.8 - 61.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit