🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.52 AU - 0.68 AU

Year: 167 Days

Day: 45.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.68 AU - 1.12 AU

Year: 307 Days

Day: 25.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.86 AU - 2.62 AU

Year: 1207 Days

Day: 47.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.74 AU - 4 AU

Year: 2226 Days

Day: 38.2 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.92 AU - 6.02 AU

Year: 3988 Days

Day: 47.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,080,930 km

• M1: 1,877,004 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 10.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.35 AU - 6.87 AU

Year: 6116 Days

Day: 6.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 122.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 30,080,930 km

• M1: 182,360 km (0.061 R)
• M2: 257,308 km (0.055 R)
• M3: 328,367 km (0.037 R)
• M4: 413,937 km (0.085 R)
• M5: 540,048 km (0.111 R)
• M6: 614,099 km (0.095 R)
• M7: 703,708 km (0.077 R)
• M8: 816,505 km (0.098 R)
• M9: 897,587 km (0.063 R)
• M10: 994,676 km (0.098 R)
• M11: 1,179,280 km (0.114 R)
• M12: 1,250,489 km (0.072 R)
• M13: 1,481,318 km (0.102 R)
• M14: 1,621,791 km (0.116 R)
• M15: 1,783,207 km (0.095 R)
• M16: 1,874,461 km (0.059 R)
• M17: 2,044,255 km (0.118 R)
• M18: 2,228,260 km (0.062 R)
• M19: 2,363,048 km (0.039 R)
• M20: 2,812,739 km (0.104 R)
• M21: 3,017,987 km (0.053 R)
• M22: 3,360,866 km (0.086 R)
• M23: 4,588,615 km (0.108 R)
• M24: 4,947,800 km (0.063 R)
• M25: 5,136,742 km (0.106 R)
• M26: 5,854,363 km (0.089 R)
• M27: 6,397,254 km (0.047 R)
• M28: 6,551,639 km (0.108 R)
• M29: 6,864,149 km (0.068 R)
• M30: 7,048,752 km (0.075 R)
• M31: 7,707,731 km (0.053 R)
• M32: 8,583,926 km (0.038 R)
• M33: 8,754,318 km (0.109 R)
• M34: 9,712,043 km (0.115 R)
• M35: 9,919,386 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 13.4

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.44 AU - 13.28 AU

Year: 12880 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 30,080,930 km

• M1: 212,130 km (0.075 R)
• M2: 335,548 km (0.107 R)
• M3: 451,486 km (0.116 R)
• M4: 548,575 km (0.026 R)
• M5: 736,919 km (0.08 R)
• M6: 902,374 km (0.048 R)
• M7: 996,322 km (0.087 R)
• M8: 1,106,276 km (0.074 R)
• M9: 1,207,704 km (0.033 R)
• M10: 1,476,232 km (0.094 R)
• M11: 1,705,416 km (0.047 R)
• M12: 2,247,708 km (0.106 R)
• M13: 2,345,994 km (0.064 R)
• M14: 2,462,531 km (0.063 R)
• M15: 2,948,724 km (0.049 R)
• M16: 3,074,984 km (0.116 R)
• M17: 3,408,139 km (0.07 R)
• M18: 3,560,130 km (0.087 R)
• M19: 3,675,620 km (0.106 R)
• M20: 3,811,903 km (0.09 R)
• M21: 4,292,262 km (0.102 R)
• M22: 4,394,737 km (0.105 R)
• M23: 4,498,109 km (0.049 R)
• M24: 4,834,554 km (0.119 R)
• M25: 5,465,109 km (0.029 R)
• M26: 5,621,290 km (0.114 R)
• M27: 5,960,877 km (0.094 R)
• M28: 6,075,618 km (0.081 R)
• M29: 6,447,818 km (0.095 R)
• M30: 6,636,760 km (0.099 R)
• M31: 7,783,428 km (0.031 R)
• M32: 8,111,496 km (0.109 R)
• M33: 8,964,503 km (0.077 R)
• M34: 9,308,578 km (0.113 R)
• M35: 9,415,241 km (0.114 R)
• M36: 9,522,353 km (0.098 R)
• M37: 9,791,929 km (0.048 R)
• M38: 10,064,047 km (0.116 R)
• M39: 10,283,657 km (0.081 R)
• M40: 10,449,411 km (0.111 R)
• M41: 10,811,438 km (0.038 R)
• M42: 10,895,512 km (0.09 R)
• M43: 11,262,775 km (0.067 R)
• M44: 11,519,335 km (0.039 R)
• M45: 11,777,990 km (0.111 R)
• M46: 12,742,447 km (0.119 R)
• M47: 12,950,239 km (0.094 R)
• M48: 13,520,057 km (0.099 R)
• M49: 14,467,610 km (0.04 R)
• M50: 14,840,109 km (0.06 R)
• M51: 16,426,145 km (0.088 R)
• M52: 17,469,291 km (0.1 R)
• M53: 17,568,176 km (0.105 R)
• M54: 18,433,300 km (0.056 R)
• M55: 18,702,127 km (0.099 R)
• M56: 19,278,079 km (0.078 R)
• M57: 19,448,471 km (0.12 R)
• M58: 19,551,095 km (0.113 R)
• M59: 20,031,903 km (0.053 R)
• M60: 20,135,425 km (0.082 R)
• M61: 20,621,169 km (0.102 R)
• M62: 22,172,499 km (0.077 R)
• M63: 22,530,187 km (0.107 R)
• M64: 23,106,738 km (0.061 R)
• M65: 24,127,294 km (0.063 R)
• M66: 24,643,108 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 8.5

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 11.61 AU - 12.65 AU

Year: 15204 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 30,080,930 km

• M1: 161,865 km (0.109 R)
• M2: 447,447 km (0.119 R)
• M3: 651,798 km (0.103 R)
• M4: 712,684 km (0.117 R)
• M5: 797,357 km (0.083 R)
• M6: 1,096,702 km (0.086 R)
• M7: 1,170,603 km (0.119 R)
• M8: 1,349,971 km (0.048 R)
• M9: 1,764,507 km (0.067 R)
• M10: 1,822,700 km (0.082 R)
• M11: 1,911,262 km (0.108 R)
• M12: 2,343,600 km (0.112 R)
• M13: 2,908,482 km (0.116 R)
• M14: 4,003,389 km (0.087 R)
• M15: 4,756,614 km (0.062 R)
• M16: 5,128,664 km (0.073 R)
• M17: 6,985,473 km (0.073 R)
• M18: 7,887,398 km (0.09 R)
• M19: 8,376,733 km (0.07 R)
• M20: 9,850,721 km (0.103 R)
• M21: 10,751,599 km (0.101 R)
• M22: 13,030,423 km (0.093 R)
• M23: 13,434,038 km (0.115 R)
• M24: 13,550,126 km (0.083 R)
• M25: 13,900,335 km (0.108 R)
• M26: 14,253,536 km (0.118 R)
• M27: 14,609,578 km (0.085 R)
• M28: 14,788,797 km (0.056 R)
• M29: 15,817,880 km (0.097 R)
• M30: 16,310,207 km (0.107 R)
• M31: 17,058,047 km (0.113 R)
• M32: 17,816,957 km (0.093 R)
• M33: 18,651,713 km (0.116 R)
• M34: 18,716,339 km (0.116 R)
• M35: 18,781,265 km (0.115 R)
• M36: 19,171,566 km (0.061 R)
• M37: 20,292,353 km (0.064 R)
• M38: 20,692,976 km (0.088 R)
• M39: 21,231,079 km (0.059 R)
• M40: 23,220,581 km (0.09 R)
• M41: 23,849,940 km (0.096 R)
• M42: 24,982,695 km (0.08 R)
• M43: 25,555,655 km (0.102 R)
• M44: 25,988,292 km (0.108 R)
• M45: 26,205,508 km (0.074 R)
• M46: 27,742,626 km (0.07 R)
• M47: 28,113,030 km (0.099 R)
• M48: 29,233,668 km (0.12 R)
• M49: 29,384,163 km (0.068 R)
• M50: 29,610,505 km (0.093 R)
• M51: 30,368,966 km (0.103 R)
• M52: 30,750,590 km (0.072 R)
• M53: 31,364,540 km (0.113 R)
• M54: 31,673,011 km (0.119 R)
• M55: 32,370,735 km (0.094 R)
• M56: 33,939,419 km (0.1 R)
• M57: 34,018,406 km (0.071 R)
• M58: 35,693,304 km (0.12 R)
• M59: 36,176,804 km (0.098 R)
• M60: 36,257,587 km (0.103 R)
• M61: 38,379,035 km (0.101 R)
• M62: 39,122,686 km (0.119 R)
• M63: 40,456,500 km (0.115 R)
• M64: 42,059,741 km (0.088 R)
• M65: 42,144,712 km (0.087 R)
• M66: 43,683,625 km (0.101 R)
• M67: 43,855,813 km (0.109 R)
• M68: 44,980,190 km (0.065 R)
• M69: 45,415,071 km (0.069 R)
• M70: 45,502,287 km (0.089 R)
• M71: 47,610,869 km (0.063 R)
• M72: 48,498,732 km (0.095 R)
• M73: 48,766,213 km (0.082 R)
• M74: 49,123,602 km (0.107 R)
• M75: 49,213,062 km (0.119 R)
• M76: 50,110,799 km (0.113 R)
• M77: 50,652,044 km (0.101 R)
• M78: 50,742,401 km (0.076 R)
• M79: 51,195,234 km (0.087 R)
• M80: 51,831,324 km (0.06 R)
• M81: 52,928,026 km (0.104 R)
• M82: 54,772,568 km (0.099 R)
• M83: 55,796,116 km (0.117 R)
• M84: 57,673,270 km (0.049 R)
• M85: 58,335,091 km (0.084 R)
• M86: 58,714,471 km (0.084 R)
• M87: 60,335,813 km (0.088 R)
• M88: 62,941,060 km (0.114 R)
• M89: 63,135,537 km (0.028 R)
• M90: 63,427,552 km (0.094 R)
• M91: 63,622,478 km (0.093 R)
• M92: 64,208,453 km (0.113 R)
• M93: 64,796,223 km (0.098 R)
• M94: 65,287,503 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.3

Radius: 4.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 17.61 AU - 20.23 AU

Year: 29618 Days

Day: 15.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 106.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 30,080,930 km

• M1: 155,133 km (0.07 R)
• M2: 253,868 km (0.081 R)
• M3: 841,039 km (0.096 R)
• M4: 950,246 km (0.082 R)
• M5: 1,432,100 km (0.12 R)
• M6: 1,697,786 km (0.09 R)
• M7: 1,924,876 km (0.118 R)
• M8: 2,033,035 km (0.075 R)
• M9: 2,161,689 km (0.113 R)
• M10: 2,217,639 km (0.087 R)
• M11: 2,563,360 km (0.064 R)
• M12: 3,176,412 km (0.064 R)
• M13: 3,720,499 km (0.118 R)
• M14: 4,246,036 km (0.038 R)
• M15: 4,292,860 km (0.094 R)
• M16: 4,721,758 km (0.097 R)
• M17: 5,466,605 km (0.093 R)
• M18: 5,517,618 km (0.04 R)
• M19: 6,896,761 km (0.104 R)
• M20: 7,624,255 km (0.054 R)
• M21: 8,258,550 km (0.101 R)
• M22: 8,641,371 km (0.074 R)
• M23: 8,849,911 km (0.076 R)
• M24: 9,120,384 km (0.115 R)
• M25: 10,960,138 km (0.116 R)
• M26: 11,773,053 km (0.09 R)
• M27: 13,284,889 km (0.036 R)
• M28: 14,045,894 km (0.054 R)
• M29: 14,220,774 km (0.075 R)
• M30: 15,900,159 km (0.071 R)
• M31: 19,519,231 km (0.068 R)
• M32: 21,339,388 km (0.111 R)
• M33: 21,742,106 km (0.096 R)
• M34: 24,757,700 km (0.098 R)
• M35: 25,478,612 km (0.081 R)
• M36: 26,551,079 km (0.063 R)
• M37: 28,033,295 km (0.119 R)
• M38: 29,051,159 km (0.093 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 18,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit