🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.57 AU - 0.71 AU

Year: 194 Days

Day: 39.5 Hours

Environment

Temp: 130 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.67 AU - 0.89 AU

Year: 261 Days

Day: 13.7 Hours

Environment

Temp: 114 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,120,651 km

• M1: 188,344 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.89 AU - 1.31 AU

Year: 437 Days

Day: 12.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.3 AU - 1.34 AU

Year: 574 Days

Day: 21.2 Hours

Environment

Temp: -45 °C

Axial Tilt: 158.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 14

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.51 AU - 7.11 AU

Year: 6003 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 40,120,651 km

• M1: 176,077 km (0.032 R)
• M2: 292,015 km (0.066 R)
• M3: 482,752 km (0.096 R)
• M4: 859,290 km (0.072 R)
• M5: 979,118 km (0.078 R)
• M6: 1,237,174 km (0.058 R)
• M7: 1,598,453 km (0.104 R)
• M8: 1,694,196 km (0.116 R)
• M9: 1,806,095 km (0.103 R)
• M10: 1,978,731 km (0.105 R)
• M11: 2,157,201 km (0.034 R)
• M12: 2,248,456 km (0.095 R)
• M13: 2,514,441 km (0.099 R)
• M14: 2,724,776 km (0.1 R)
• M15: 2,874,074 km (0.106 R)
• M16: 3,026,066 km (0.09 R)
• M17: 3,232,960 km (0.098 R)
• M18: 3,338,276 km (0.109 R)
• M19: 3,498,346 km (0.079 R)
• M20: 3,752,663 km (0.094 R)
• M21: 4,031,962 km (0.114 R)
• M22: 4,356,739 km (0.112 R)
• M23: 4,850,113 km (0.089 R)
• M24: 5,299,056 km (0.091 R)
• M25: 5,570,875 km (0.115 R)
• M26: 6,041,211 km (0.094 R)
• M27: 6,259,325 km (0.106 R)
• M28: 6,369,279 km (0.039 R)
• M29: 6,568,992 km (0.086 R)
• M30: 6,748,360 km (0.118 R)
• M31: 7,203,736 km (0.087 R)
• M32: 7,435,164 km (0.091 R)
• M33: 7,551,850 km (0.062 R)
• M34: 8,000,793 km (0.099 R)
• M35: 8,629,404 km (0.1 R)
• M36: 8,825,975 km (0.063 R)
• M37: 9,024,192 km (0.099 R)
• M38: 9,173,641 km (0.1 R)
• M39: 9,754,828 km (0.057 R)
• M40: 9,857,004 km (0.096 R)
• M41: 10,088,581 km (0.115 R)
• M42: 10,399,894 km (0.113 R)
• M43: 10,504,463 km (0.109 R)
• M44: 10,635,661 km (0.096 R)
• M45: 11,112,279 km (0.108 R)
• M46: 11,272,798 km (0.079 R)
• M47: 11,487,920 km (0.088 R)
• M48: 12,417,521 km (0.085 R)
• M49: 12,667,648 km (0.109 R)
• M50: 12,835,348 km (0.112 R)
• M51: 13,060,193 km (0.088 R)
• M52: 13,627,768 km (0.105 R)
• M53: 13,857,101 km (0.107 R)
• M54: 14,029,887 km (0.1 R)
• M55: 14,232,442 km (0.11 R)
• M56: 14,348,680 km (0.12 R)
• M57: 14,993,297 km (0.113 R)
• M58: 15,498,040 km (0.073 R)
• M59: 15,647,488 km (0.053 R)
• M60: 15,947,881 km (0.087 R)
• M61: 16,341,473 km (0.106 R)
• M62: 16,953,029 km (0.109 R)
• M63: 17,790,478 km (0.094 R)
• M64: 18,736,984 km (0.079 R)
• M65: 19,796,885 km (0.041 R)
• M66: 19,991,811 km (0.075 R)
• M67: 20,219,798 km (0.117 R)
• M68: 20,547,268 km (0.109 R)
• M69: 20,744,438 km (0.103 R)
• M70: 21,773,671 km (0.05 R)
• M71: 22,244,007 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 5.2

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 11.88 AU - 12.84 AU

Year: 16458 Days

Day: 22.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 40,120,651 km

• M1: 98,884 km (0.115 R)
• M2: 153,487 km (0.1 R)
• M3: 262,544 km (0.113 R)
• M4: 304,731 km (0.104 R)
• M5: 668,104 km (0.081 R)
• M6: 838,496 km (0.096 R)
• M7: 1,039,855 km (0.114 R)
• M8: 1,237,474 km (0.114 R)
• M9: 1,293,573 km (0.077 R)
• M10: 1,647,222 km (0.105 R)
• M11: 1,792,631 km (0.061 R)
• M12: 1,856,210 km (0.1 R)
• M13: 1,920,537 km (0.111 R)
• M14: 2,208,065 km (0.103 R)
• M15: 2,368,433 km (0.111 R)
• M16: 2,532,692 km (0.087 R)
• M17: 2,676,456 km (0.109 R)
• M18: 3,434,618 km (0.113 R)
• M19: 3,946,990 km (0.066 R)
• M20: 4,141,767 km (0.104 R)
• M21: 4,627,810 km (0.096 R)
• M22: 4,922,219 km (0.105 R)
• M23: 5,222,611 km (0.116 R)
• M24: 5,436,536 km (0.087 R)
• M25: 5,936,044 km (0.093 R)
• M26: 6,223,421 km (0.081 R)
• M27: 6,320,211 km (0.066 R)
• M28: 7,589,250 km (0.064 R)
• M29: 7,658,065 km (0.06 R)
• M30: 7,692,622 km (0.111 R)
• M31: 7,761,886 km (0.113 R)
• M32: 7,970,874 km (0.115 R)
• M33: 8,323,177 km (0.057 R)
• M34: 9,116,345 km (0.085 R)
• M35: 9,820,502 km (0.074 R)
• M36: 9,970,997 km (0.086 R)
• M37: 10,046,544 km (0.112 R)
• M38: 10,503,566 km (0.101 R)
• M39: 10,657,502 km (0.057 R)
• M40: 10,696,098 km (0.041 R)
• M41: 11,319,921 km (0.037 R)
• M42: 11,675,964 km (0.114 R)
• M43: 12,317,889 km (0.089 R)
• M44: 14,269,094 km (0.068 R)
• M45: 14,311,579 km (0.109 R)
• M46: 14,439,486 km (0.069 R)
• M47: 14,653,560 km (0.091 R)
• M48: 14,955,000 km (0.091 R)
• M49: 15,041,468 km (0.104 R)
• M50: 15,128,085 km (0.11 R)
• M51: 15,739,342 km (0.079 R)
• M52: 16,225,235 km (0.092 R)
• M53: 17,302,340 km (0.102 R)
• M54: 17,529,729 km (0.034 R)
• M55: 17,803,792 km (0.1 R)
• M56: 17,987,349 km (0.066 R)
• M57: 18,125,278 km (0.115 R)
• M58: 19,195,352 km (0.076 R)
• M59: 20,142,306 km (0.093 R)
• M60: 21,639,781 km (0.102 R)
• M61: 22,624,883 km (0.111 R)
• M62: 22,724,216 km (0.114 R)
• M63: 23,574,231 km (0.101 R)
• M64: 23,674,910 km (0.048 R)
• M65: 26,029,730 km (0.105 R)
• M66: 27,129,424 km (0.115 R)
• M67: 28,887,798 km (0.088 R)
• M68: 29,157,373 km (0.058 R)
• M69: 29,319,537 km (0.101 R)
• M70: 29,482,000 km (0.114 R)
• M71: 29,916,732 km (0.118 R)
• M72: 30,244,202 km (0.111 R)
• M73: 30,682,673 km (0.091 R)
• M74: 30,792,627 km (0.027 R)
• M75: 31,843,552 km (0.089 R)
• M76: 32,177,904 km (0.085 R)
• M77: 33,018,793 km (0.117 R)
• M78: 33,300,636 km (0.101 R)
• M79: 33,470,130 km (0.116 R)
• M80: 33,583,376 km (0.083 R)
• M81: 33,980,408 km (0.096 R)
• M82: 34,894,003 km (0.1 R)
• M83: 35,238,676 km (0.058 R)
• M84: 36,221,235 km (0.066 R)
• M85: 37,800,390 km (0.076 R)
• M86: 38,095,247 km (0.093 R)
• M87: 38,746,746 km (0.029 R)
• M88: 38,806,136 km (0.06 R)
• M89: 39,282,456 km (0.101 R)
• M90: 39,700,732 km (0.051 R)
• M91: 40,000,526 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 11,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit