🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.41 AU - 2.25 AU

Year: 874 Days

Day: 16.9 Hours

Environment

Temp: -45 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,738,344 km

• M1: 1,129,015 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.75 AU - 4.87 AU

Year: 3725 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 13.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.3 AU - 11.2 AU

Year: 12445 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 33,738,344 km

• M1: 179,966 km (0.111 R)
• M2: 290,070 km (0.082 R)
• M3: 440,117 km (0.112 R)
• M4: 718,818 km (0.118 R)
• M5: 988,543 km (0.041 R)
• M6: 1,291,628 km (0.063 R)
• M7: 1,391,111 km (0.106 R)
• M8: 1,571,825 km (0.119 R)
• M9: 1,843,794 km (0.076 R)
• M10: 2,043,507 km (0.117 R)
• M11: 2,250,550 km (0.116 R)
• M12: 2,621,852 km (0.108 R)
• M13: 2,750,058 km (0.046 R)
• M14: 3,318,679 km (0.093 R)
• M15: 4,409,547 km (0.033 R)
• M16: 4,679,272 km (0.076 R)
• M17: 4,994,175 km (0.092 R)
• M18: 5,316,110 km (0.064 R)
• M19: 5,438,631 km (0.099 R)
• M20: 5,853,914 km (0.103 R)
• M21: 6,539,671 km (0.09 R)
• M22: 7,205,681 km (0.119 R)
• M23: 7,386,993 km (0.119 R)
• M24: 7,661,954 km (0.09 R)
• M25: 7,754,256 km (0.086 R)
• M26: 7,847,007 km (0.08 R)
• M27: 8,269,022 km (0.111 R)
• M28: 8,746,688 km (0.094 R)
• M29: 8,940,268 km (0.109 R)
• M30: 9,037,507 km (0.108 R)
• M31: 9,184,262 km (0.045 R)
• M32: 9,331,616 km (0.088 R)
• M33: 9,629,017 km (0.115 R)
• M34: 9,929,409 km (0.11 R)
• M35: 10,745,765 km (0.103 R)
• M36: 11,319,622 km (0.116 R)
• M37: 11,743,134 km (0.076 R)
• M38: 12,606,014 km (0.097 R)
• M39: 13,769,437 km (0.07 R)
• M40: 13,938,333 km (0.12 R)
• M41: 15,373,425 km (0.086 R)
• M42: 15,783,772 km (0.106 R)
• M43: 16,257,100 km (0.079 R)
• M44: 17,521,651 km (0.072 R)
• M45: 17,704,908 km (0.059 R)
• M46: 19,005,362 km (0.09 R)
• M47: 19,445,778 km (0.086 R)
• M48: 20,144,550 km (0.087 R)
• M49: 20,657,970 km (0.08 R)
• M50: 21,436,178 km (0.098 R)
• M51: 22,290,083 km (0.096 R)
• M52: 22,555,021 km (0.074 R)
• M53: 25,815,506 km (0.075 R)
• M54: 26,303,195 km (0.093 R)
• M55: 26,723,715 km (0.04 R)
• M56: 27,642,246 km (0.117 R)
• M57: 28,859,224 km (0.034 R)
• M58: 30,680,429 km (0.098 R)
• M59: 30,827,633 km (0.059 R)
• M60: 31,419,293 km (0.06 R)
• M61: 35,123,635 km (0.086 R)
• M62: 35,277,871 km (0.112 R)
• M63: 35,896,607 km (0.114 R)
• M64: 36,362,904 km (0.11 R)
• M65: 36,518,935 km (0.097 R)
• M66: 36,674,965 km (0.032 R)
• M67: 40,974,109 km (0.066 R)
• M68: 41,380,117 km (0.064 R)
• M69: 41,624,411 km (0.09 R)
• M70: 43,265,200 km (0.067 R)
• M71: 43,927,470 km (0.052 R)
• M72: 44,010,497 km (0.036 R)
• M73: 45,681,804 km (0.092 R)
• M74: 46,609,760 km (0.03 R)
• M75: 47,373,756 km (0.097 R)
• M76: 47,543,998 km (0.112 R)
• M77: 48,227,362 km (0.098 R)
• M78: 48,656,109 km (0.083 R)
• M79: 48,914,016 km (0.09 R)
• M80: 49,776,896 km (0.086 R)
• M81: 50,470,731 km (0.054 R)
• M82: 50,906,061 km (0.091 R)
• M83: 53,721,343 km (0.101 R)
• M84: 54,790,071 km (0.119 R)
• M85: 55,686,162 km (0.077 R)
• M86: 56,948,618 km (0.066 R)
• M87: 57,039,125 km (0.097 R)
• M88: 57,856,229 km (0.096 R)
• M89: 61,812,943 km (0.062 R)

Planet 4 - Ice Giant

Semi-Major Axis: 20.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.6

Radius: 4.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 17.86 AU - 23.54 AU

Year: 33255 Days

Day: 21.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 33,738,344 km

• M1: 293,212 km (0.066 R)
• M2: 1,134,700 km (0.073 R)
• M3: 2,414,510 km (0.081 R)
• M4: 2,954,109 km (0.107 R)
• M5: 3,043,718 km (0.083 R)
• M6: 3,248,967 km (0.088 R)
• M7: 4,163,458 km (0.07 R)
• M8: 5,232,634 km (0.114 R)
• M9: 5,259,712 km (0.101 R)
• M10: 5,533,176 km (0.114 R)
• M11: 6,584,849 km (0.035 R)
• M12: 8,069,010 km (0.049 R)
• M13: 8,415,927 km (0.038 R)
• M14: 9,058,899 km (0.068 R)
• M15: 9,222,260 km (0.052 R)
• M16: 10,154,255 km (0.052 R)
• M17: 11,080,864 km (0.111 R)
• M18: 11,501,383 km (0.065 R)
• M19: 16,180,805 km (0.094 R)
• M20: 16,777,252 km (0.086 R)
• M21: 18,444,221 km (0.112 R)
• M22: 18,526,948 km (0.115 R)
• M23: 20,847,660 km (0.112 R)
• M24: 21,539,849 km (0.063 R)
• M25: 22,195,537 km (0.07 R)
• M26: 22,327,482 km (0.068 R)
• M27: 23,885,694 km (0.115 R)
• M28: 24,292,151 km (0.066 R)
• M29: 24,974,467 km (0.059 R)
• M30: 29,246,533 km (0.038 R)
• M31: 29,487,835 km (0.115 R)
• M32: 31,589,236 km (0.111 R)
• M33: 33,435,573 km (0.096 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 11,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit