🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.08 AU - 1.72 AU

Year: 624 Days

Day: 26.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.68 AU - 1.96 AU

Year: 925 Days

Day: 47.6 Hours

Environment

Temp: -63 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,977,709 km

• M1: 730,486 km (0.064 R)

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 9.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.15 AU - 9.39 AU

Year: 9784 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 92,977,709 km

• M1: 177,273 km (0.118 R)
• M2: 697,575 km (0.111 R)
• M3: 918,082 km (0.116 R)
• M4: 1,036,863 km (0.105 R)
• M5: 1,339,948 km (0.065 R)
• M6: 1,580,950 km (0.033 R)
• M7: 1,836,015 km (0.053 R)
• M8: 2,488,710 km (0.095 R)
• M9: 3,094,731 km (0.077 R)
• M10: 3,391,384 km (0.069 R)
• M11: 3,769,118 km (0.118 R)
• M12: 3,889,993 km (0.099 R)
• M13: 3,963,147 km (0.062 R)
• M14: 4,260,248 km (0.105 R)
• M15: 4,693,633 km (0.111 R)
• M16: 4,771,574 km (0.083 R)
• M17: 5,008,088 km (0.114 R)
• M18: 5,167,858 km (0.097 R)
• M19: 5,768,344 km (0.093 R)
• M20: 5,992,143 km (0.066 R)
• M21: 6,593,377 km (0.078 R)
• M22: 7,213,759 km (0.085 R)
• M23: 7,334,036 km (0.06 R)
• M24: 7,485,429 km (0.09 R)
• M25: 7,576,683 km (0.069 R)
• M26: 7,637,869 km (0.117 R)
• M27: 7,914,625 km (0.072 R)
• M28: 8,007,675 km (0.108 R)
• M29: 9,022,547 km (0.1 R)
• M30: 9,184,860 km (0.119 R)
• M31: 9,843,390 km (0.088 R)
• M32: 9,976,981 km (0.089 R)
• M33: 10,077,511 km (0.104 R)
• M34: 10,279,767 km (0.119 R)
• M35: 10,619,654 km (0.093 R)
• M36: 10,688,020 km (0.112 R)
• M37: 11,485,526 km (0.088 R)
• M38: 11,802,823 km (0.103 R)
• M39: 13,358,342 km (0.062 R)
• M40: 13,803,844 km (0.094 R)
• M41: 14,329,830 km (0.085 R)
• M42: 14,785,805 km (0.087 R)
• M43: 14,862,249 km (0.05 R)
• M44: 15,246,716 km (0.083 R)
• M45: 16,064,418 km (0.051 R)
• M46: 16,261,289 km (0.078 R)
• M47: 16,498,551 km (0.113 R)
• M48: 16,896,481 km (0.087 R)
• M49: 16,976,366 km (0.076 R)
• M50: 17,136,735 km (0.054 R)
• M51: 17,499,361 km (0.098 R)
• M52: 17,742,457 km (0.101 R)
• M53: 17,823,689 km (0.076 R)
• M54: 18,150,111 km (0.061 R)
• M55: 18,808,940 km (0.06 R)
• M56: 19,266,411 km (0.109 R)
• M57: 19,433,661 km (0.087 R)
• M58: 19,896,068 km (0.095 R)
• M59: 20,362,065 km (0.054 R)
• M60: 21,089,560 km (0.104 R)
• M61: 22,043,396 km (0.058 R)
• M62: 22,393,754 km (0.093 R)
• M63: 22,657,794 km (0.041 R)
• M64: 22,834,320 km (0.055 R)
• M65: 22,922,882 km (0.04 R)
• M66: 23,100,006 km (0.115 R)
• M67: 23,277,728 km (0.05 R)
• M68: 23,455,899 km (0.095 R)
• M69: 24,128,192 km (0.114 R)
• M70: 24,308,457 km (0.091 R)
• M71: 24,443,993 km (0.115 R)
• M72: 24,943,051 km (0.049 R)
• M73: 27,160,092 km (0.117 R)
• M74: 27,300,863 km (0.078 R)
• M75: 27,582,855 km (0.111 R)
• M76: 28,529,960 km (0.071 R)
• M77: 29,007,476 km (0.09 R)
• M78: 29,103,219 km (0.112 R)
• M79: 30,212,936 km (0.037 R)
• M80: 30,602,040 km (0.062 R)
• M81: 31,139,844 km (0.096 R)
• M82: 31,434,552 km (0.088 R)
• M83: 32,324,210 km (0.108 R)
• M84: 33,121,866 km (0.118 R)
• M85: 33,372,592 km (0.101 R)
• M86: 33,573,502 km (0.067 R)
• M87: 33,674,032 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.5

Radius: 7.6

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 15.8 AU - 18.58 AU

Year: 26850 Days

Day: 21.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 92,977,709 km

• M1: 118,033 km (0.031 R)
• M2: 265,087 km (0.104 R)
• M3: 461,659 km (0.079 R)
• M4: 1,071,270 km (0.097 R)
• M5: 1,459,626 km (0.078 R)
• M6: 2,235,740 km (0.046 R)
• M7: 2,315,476 km (0.11 R)
• M8: 2,900,553 km (0.062 R)
• M9: 3,437,011 km (0.03 R)
• M10: 4,199,362 km (0.09 R)
• M11: 5,762,510 km (0.049 R)
• M12: 7,787,018 km (0.11 R)
• M13: 8,031,162 km (0.107 R)
• M14: 8,527,228 km (0.094 R)
• M15: 8,778,852 km (0.111 R)
• M16: 10,140,043 km (0.079 R)
• M17: 10,273,185 km (0.113 R)
• M18: 11,844,561 km (0.051 R)
• M19: 12,408,395 km (0.094 R)
• M20: 14,300,958 km (0.085 R)
• M21: 14,976,841 km (0.074 R)
• M22: 15,204,380 km (0.094 R)
• M23: 17,065,975 km (0.087 R)
• M24: 17,702,365 km (0.089 R)
• M25: 18,916,501 km (0.055 R)
• M26: 19,409,725 km (0.094 R)
• M27: 20,240,891 km (0.108 R)
• M28: 20,999,053 km (0.093 R)
• M29: 21,938,079 km (0.093 R)
• M30: 22,283,052 km (0.112 R)
• M31: 23,153,113 km (0.097 R)
• M32: 23,592,332 km (0.104 R)
• M33: 25,647,807 km (0.069 R)
• M34: 26,467,753 km (0.073 R)
• M35: 28,226,575 km (0.065 R)
• M36: 28,320,223 km (0.074 R)
• M37: 28,601,766 km (0.079 R)
• M38: 29,736,915 km (0.08 R)
• M39: 30,022,946 km (0.096 R)
• M40: 33,625,712 km (0.072 R)
• M41: 35,225,511 km (0.089 R)
• M42: 36,034,537 km (0.09 R)
• M43: 36,543,469 km (0.114 R)
• M44: 38,498,563 km (0.073 R)
• M45: 39,227,404 km (0.025 R)
• M46: 40,065,900 km (0.118 R)
• M47: 42,509,432 km (0.056 R)
• M48: 44,128,978 km (0.113 R)
• M49: 45,000,984 km (0.044 R)
• M50: 46,319,540 km (0.065 R)
• M51: 46,540,496 km (0.115 R)
• M52: 46,761,751 km (0.05 R)
• M53: 47,205,608 km (0.111 R)
• M54: 47,873,862 km (0.079 R)
• M55: 47,985,462 km (0.116 R)
• M56: 48,209,111 km (0.089 R)
• M57: 48,657,306 km (0.045 R)
• M58: 49,106,997 km (0.099 R)
• M59: 50,464,299 km (0.093 R)
• M60: 50,577,843 km (0.058 R)
• M61: 51,261,655 km (0.03 R)
• M62: 52,292,983 km (0.074 R)
• M63: 55,193,536 km (0.107 R)
• M64: 56,958,791 km (0.052 R)
• M65: 57,432,717 km (0.096 R)
• M66: 58,742,596 km (0.111 R)
• M67: 60,544,652 km (0.086 R)
• M68: 62,975,468 km (0.062 R)
• M69: 63,588,071 km (0.088 R)
• M70: 63,833,711 km (0.104 R)
• M71: 64,449,156 km (0.109 R)
• M72: 65,437,998 km (0.036 R)
• M73: 67,806,432 km (0.116 R)
• M74: 68,560,106 km (0.114 R)
• M75: 69,190,362 km (0.081 R)
• M76: 69,316,622 km (0.089 R)
• M77: 69,569,443 km (0.027 R)
• M78: 69,696,002 km (0.101 R)
• M79: 70,202,690 km (0.096 R)
• M80: 76,509,587 km (0.089 R)
• M81: 76,901,533 km (0.104 R)
• M82: 77,687,521 km (0.067 R)
• M83: 77,818,718 km (0.076 R)
• M84: 80,724,956 km (0.108 R)
• M85: 82,057,723 km (0.118 R)
• M86: 83,263,332 km (0.102 R)
• M87: 83,532,160 km (0.101 R)
• M88: 84,339,988 km (0.082 R)
• M89: 86,099,259 km (0.105 R)
• M90: 86,779,182 km (0.086 R)
• M91: 87,870,648 km (0.081 R)
• M92: 88,418,176 km (0.047 R)
• M93: 92,977,769 km (0.028 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit