🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 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

Orbit Range: 0.7 AU - 0.7 AU

Year: 221 Days

Day: 39.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.25 AU - 1.85 AU

Year: 727 Days

Day: 31.7 Hours

Environment

Temp: -47 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,766,604 km

• M1: 720,912 km (0.085 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 9.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.51 AU - 5.71 AU

Year: 5006 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 78,766,604 km

• M1: 295,157 km (0.073 R)
• M2: 552,016 km (0.099 R)
• M3: 694,284 km (0.118 R)
• M4: 757,564 km (0.094 R)
• M5: 945,758 km (0.102 R)
• M6: 1,134,700 km (0.115 R)
• M7: 1,226,104 km (0.097 R)
• M8: 1,352,066 km (0.117 R)
• M9: 1,634,506 km (0.069 R)
• M10: 1,899,295 km (0.054 R)
• M11: 2,312,484 km (0.093 R)
• M12: 2,509,654 km (0.058 R)
• M13: 2,920,599 km (0.106 R)
• M14: 3,048,206 km (0.102 R)
• M15: 3,155,767 km (0.09 R)
• M16: 3,352,787 km (0.072 R)
• M17: 3,667,392 km (0.092 R)
• M18: 3,759,095 km (0.106 R)
• M19: 3,898,072 km (0.108 R)
• M20: 4,568,869 km (0.087 R)
• M21: 4,642,920 km (0.102 R)
• M22: 5,044,590 km (0.077 R)
• M23: 5,881,291 km (0.096 R)
• M24: 5,961,924 km (0.112 R)
• M25: 6,043,006 km (0.102 R)
• M26: 6,453,652 km (0.102 R)
• M27: 7,244,426 km (0.091 R)
• M28: 8,155,328 km (0.057 R)
• M29: 8,456,917 km (0.117 R)
• M30: 8,854,399 km (0.115 R)
• M31: 9,071,016 km (0.104 R)
• M32: 9,352,111 km (0.087 R)
• M33: 9,795,070 km (0.118 R)
• M34: 10,180,285 km (0.041 R)
• M35: 11,197,999 km (0.096 R)
• M36: 11,567,057 km (0.114 R)
• M37: 11,905,896 km (0.069 R)
• M38: 12,282,434 km (0.076 R)
• M39: 13,082,483 km (0.118 R)
• M40: 14,043,201 km (0.117 R)
• M41: 14,513,686 km (0.097 R)
• M42: 14,769,349 km (0.079 R)
• M43: 15,100,110 km (0.109 R)
• M44: 15,507,614 km (0.109 R)
• M45: 15,994,107 km (0.097 R)
• M46: 16,220,299 km (0.107 R)
• M47: 16,409,540 km (0.101 R)
• M48: 16,752,119 km (0.079 R)
• M49: 17,135,688 km (0.11 R)
• M50: 17,405,712 km (0.075 R)
• M51: 18,500,320 km (0.091 R)
• M52: 18,579,457 km (0.08 R)
• M53: 18,856,961 km (0.115 R)
• M54: 19,056,076 km (0.088 R)
• M55: 19,295,881 km (0.081 R)
• M56: 19,376,066 km (0.107 R)
• M57: 19,496,492 km (0.101 R)
• M58: 19,778,484 km (0.119 R)
• M59: 19,940,349 km (0.107 R)
• M60: 20,714,668 km (0.095 R)
• M61: 20,879,076 km (0.091 R)
• M62: 21,002,494 km (0.105 R)
• M63: 21,665,362 km (0.113 R)
• M64: 22,630,119 km (0.093 R)
• M65: 23,780,526 km (0.105 R)
• M66: 24,514,603 km (0.073 R)
• M67: 24,644,903 km (0.047 R)
• M68: 24,819,035 km (0.109 R)
• M69: 24,949,933 km (0.111 R)
• M70: 25,695,828 km (0.039 R)
• M71: 26,049,328 km (0.056 R)
• M72: 26,805,994 km (0.039 R)
• M73: 26,985,062 km (0.114 R)
• M74: 27,074,671 km (0.025 R)
• M75: 27,164,580 km (0.1 R)
• M76: 27,389,425 km (0.11 R)
• M77: 28,067,852 km (0.07 R)
• M78: 28,706,036 km (0.074 R)
• M79: 29,857,641 km (0.05 R)
• M80: 30,043,292 km (0.106 R)
• M81: 30,462,315 km (0.083 R)
• M82: 30,977,231 km (0.11 R)
• M83: 31,494,989 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.4

Radius: 6.9

Gravity: 16.01 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.88 AU - 15.34 AU

Year: 19967 Days

Day: 18 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 78,766,604 km

• M1: 98,735 km (0.07 R)
• M2: 202,406 km (0.095 R)
• M3: 360,232 km (0.09 R)
• M4: 515,215 km (0.069 R)
• M5: 645,814 km (0.053 R)
• M6: 836,850 km (0.085 R)
• M7: 1,242,111 km (0.113 R)
• M8: 1,542,952 km (0.046 R)
• M9: 2,389,676 km (0.113 R)
• M10: 2,573,981 km (0.065 R)
• M11: 3,275,146 km (0.119 R)
• M12: 4,340,582 km (0.109 R)
• M13: 5,168,606 km (0.088 R)
• M14: 6,044,502 km (0.101 R)
• M15: 6,194,848 km (0.049 R)
• M16: 6,705,276 km (0.086 R)
• M17: 6,913,217 km (0.109 R)
• M18: 7,711,770 km (0.107 R)
• M19: 7,820,378 km (0.098 R)
• M20: 7,929,585 km (0.077 R)
• M21: 8,992,029 km (0.068 R)
• M22: 9,163,767 km (0.116 R)
• M23: 9,685,864 km (0.059 R)
• M24: 10,819,217 km (0.104 R)
• M25: 10,879,954 km (0.11 R)
• M26: 11,002,026 km (0.112 R)
• M27: 12,056,990 km (0.078 R)
• M28: 12,756,659 km (0.086 R)
• M29: 12,949,790 km (0.091 R)
• M30: 13,208,744 km (0.102 R)
• M31: 13,535,017 km (0.067 R)
• M32: 14,328,484 km (0.103 R)
• M33: 15,753,404 km (0.074 R)
• M34: 16,168,687 km (0.083 R)
• M35: 16,307,963 km (0.105 R)
• M36: 16,657,723 km (0.084 R)
• M37: 17,010,026 km (0.106 R)
• M38: 17,222,754 km (0.105 R)
• M39: 18,154,001 km (0.104 R)
• M40: 18,881,495 km (0.043 R)
• M41: 21,425,557 km (0.118 R)
• M42: 22,659,440 km (0.105 R)
• M43: 24,075,085 km (0.086 R)
• M44: 24,633,234 km (0.108 R)
• M45: 26,169,604 km (0.061 R)
• M46: 26,415,094 km (0.108 R)
• M47: 27,156,053 km (0.11 R)
• M48: 29,164,853 km (0.041 R)
• M49: 30,187,055 km (0.093 R)
• M50: 30,358,644 km (0.044 R)
• M51: 30,961,374 km (0.119 R)
• M52: 32,441,944 km (0.1 R)
• M53: 33,058,287 km (0.077 R)
• M54: 33,678,370 km (0.099 R)
• M55: 33,767,231 km (0.067 R)
• M56: 34,034,563 km (0.078 R)
• M57: 34,660,630 km (0.066 R)
• M58: 35,380,944 km (0.034 R)
• M59: 37,571,356 km (0.1 R)
• M60: 40,181,689 km (0.063 R)
• M61: 41,890,396 km (0.079 R)
• M62: 42,177,474 km (0.113 R)
• M63: 42,465,300 km (0.059 R)
• M64: 42,657,534 km (0.103 R)
• M65: 43,719,679 km (0.113 R)
• M66: 45,182,297 km (0.109 R)
• M67: 46,264,937 km (0.119 R)
• M68: 46,958,323 km (0.035 R)
• M69: 47,356,104 km (0.106 R)
• M70: 47,954,944 km (0.116 R)
• M71: 49,059,126 km (0.043 R)
• M72: 49,159,955 km (0.098 R)
• M73: 50,374,989 km (0.062 R)
• M74: 50,578,442 km (0.114 R)
• M75: 50,680,318 km (0.072 R)
• M76: 56,068,833 km (0.12 R)
• M77: 57,231,807 km (0.103 R)
• M78: 57,869,543 km (0.104 R)
• M79: 58,616,485 km (0.074 R)
• M80: 60,012,083 km (0.038 R)
• M81: 60,984,769 km (0.031 R)
• M82: 62,071,597 km (0.041 R)
• M83: 64,485,060 km (0.098 R)
• M84: 65,481,232 km (0.074 R)
• M85: 66,148,139 km (0.03 R)
• M86: 66,817,291 km (0.082 R)
• M87: 67,264,588 km (0.11 R)
• M88: 68,387,470 km (0.084 R)
• M89: 69,177,047 km (0.062 R)
• M90: 72,021,651 km (0.077 R)
• M91: 73,631,174 km (0.037 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 10,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit