🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.63 AU - 1.01 AU

Year: 265 Days

Day: 43.5 Hours

Environment

Temp: 177 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.84 AU - 1.3 AU

Year: 395 Days

Day: 27 Hours

Environment

Temp: 25 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,450,417 km

• M1: 460,911 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.23 AU - 1.63 AU

Year: 610 Days

Day: 29.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,450,417 km

• M1: 359,783 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.33 AU - 1.77 AU

Year: 688 Days

Day: 20.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,450,417 km

• M1: 973,284 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.29 AU - 1.99 AU

Year: 749 Days

Day: 24.1 Hours

Environment

Temp: -26 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,450,417 km

• M1: 186,100 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.62 AU - 2.8 AU

Year: 1590 Days

Day: 16.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,450,417 km

• M1: 566,378 km (0.064 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.78 AU - 3.12 AU

Year: 1806 Days

Day: 14.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.76 AU - 3.38 AU

Year: 1917 Days

Day: 32 Hours

Environment

Temp: -90 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 9.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.12 AU - 7.24 AU

Year: 6154 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 43,450,417 km

• M1: 136,284 km (0.056 R)
• M2: 219,011 km (0.119 R)
• M3: 306,526 km (0.069 R)
• M4: 423,512 km (0.09 R)
• M5: 572,511 km (0.108 R)
• M6: 772,523 km (0.076 R)
• M7: 881,281 km (0.062 R)
• M8: 986,448 km (0.085 R)
• M9: 1,133,653 km (0.047 R)
• M10: 1,258,716 km (0.069 R)
• M11: 1,338,153 km (0.115 R)
• M12: 1,460,524 km (0.072 R)
• M13: 1,523,206 km (0.101 R)
• M14: 2,045,601 km (0.104 R)
• M15: 2,175,602 km (0.048 R)
• M16: 2,271,943 km (0.113 R)
• M17: 2,357,363 km (0.119 R)
• M18: 2,556,927 km (0.093 R)
• M19: 2,710,115 km (0.114 R)
• M20: 2,866,594 km (0.1 R)
• M21: 2,959,195 km (0.031 R)
• M22: 3,147,539 km (0.101 R)
• M23: 3,284,421 km (0.118 R)
• M24: 3,353,685 km (0.096 R)
• M25: 3,479,497 km (0.116 R)
• M26: 3,564,319 km (0.09 R)
• M27: 3,692,823 km (0.114 R)
• M28: 4,650,549 km (0.098 R)
• M29: 4,712,931 km (0.088 R)
• M30: 5,076,903 km (0.091 R)
• M31: 5,466,306 km (0.063 R)
• M32: 5,631,462 km (0.111 R)
• M33: 5,848,678 km (0.119 R)
• M34: 6,051,533 km (0.106 R)
• M35: 6,154,008 km (0.115 R)
• M36: 7,609,894 km (0.09 R)
• M37: 7,980,598 km (0.05 R)
• M38: 8,243,591 km (0.088 R)
• M39: 8,395,133 km (0.104 R)
• M40: 8,643,466 km (0.111 R)
• M41: 8,758,955 km (0.056 R)
• M42: 9,049,774 km (0.086 R)
• M43: 9,147,461 km (0.084 R)
• M44: 9,265,045 km (0.112 R)
• M45: 9,720,720 km (0.105 R)
• M46: 10,183,725 km (0.103 R)
• M47: 11,068,597 km (0.112 R)
• M48: 11,152,222 km (0.098 R)
• M49: 11,298,978 km (0.081 R)
• M50: 11,425,238 km (0.09 R)
• M51: 12,106,806 km (0.1 R)
• M52: 12,409,293 km (0.065 R)
• M53: 12,517,751 km (0.112 R)
• M54: 12,999,307 km (0.073 R)
• M55: 13,958,080 km (0.061 R)
• M56: 14,071,026 km (0.102 R)
• M57: 14,207,011 km (0.112 R)
• M58: 14,594,619 km (0.104 R)
• M59: 15,613,829 km (0.068 R)
• M60: 15,801,574 km (0.081 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 9.9

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.74 AU - 8.58 AU

Year: 7557 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 43,450,417 km

• M1: 148,551 km (0.063 R)
• M2: 304,731 km (0.107 R)
• M3: 371,152 km (0.053 R)
• M4: 496,067 km (0.063 R)
• M5: 925,562 km (0.081 R)
• M6: 1,576,313 km (0.107 R)
• M7: 1,725,462 km (0.107 R)
• M8: 1,901,688 km (0.04 R)
• M9: 1,992,195 km (0.091 R)
• M10: 2,201,033 km (0.088 R)
• M11: 2,515,339 km (0.08 R)
• M12: 2,922,095 km (0.082 R)
• M13: 3,626,851 km (0.027 R)
• M14: 4,352,400 km (0.094 R)
• M15: 4,442,458 km (0.03 R)
• M16: 5,027,536 km (0.116 R)
• M17: 5,217,375 km (0.096 R)
• M18: 5,539,011 km (0.119 R)
• M19: 6,646,035 km (0.071 R)
• M20: 6,784,862 km (0.112 R)
• M21: 6,959,592 km (0.119 R)
• M22: 7,385,348 km (0.052 R)
• M23: 7,637,719 km (0.097 R)
• M24: 8,712,879 km (0.119 R)
• M25: 9,442,917 km (0.089 R)
• M26: 9,520,857 km (0.061 R)
• M27: 10,352,621 km (0.1 R)
• M28: 10,513,738 km (0.094 R)
• M29: 11,290,301 km (0.099 R)
• M30: 11,497,793 km (0.107 R)
• M31: 11,790,257 km (0.07 R)
• M32: 12,596,739 km (0.111 R)
• M33: 12,855,095 km (0.089 R)
• M34: 13,552,669 km (0.085 R)
• M35: 14,039,311 km (0.062 R)
• M36: 14,396,850 km (0.055 R)
• M37: 14,621,995 km (0.061 R)
• M38: 14,984,321 km (0.079 R)
• M39: 15,349,789 km (0.118 R)
• M40: 15,579,721 km (0.117 R)
• M41: 16,510,668 km (0.104 R)
• M42: 17,795,864 km (0.088 R)
• M43: 19,063,855 km (0.088 R)
• M44: 19,658,806 km (0.115 R)
• M45: 20,058,830 km (0.107 R)
• M46: 21,172,736 km (0.093 R)
• M47: 21,685,707 km (0.092 R)
• M48: 21,788,780 km (0.095 R)
• M49: 21,943,764 km (0.031 R)
• M50: 22,514,928 km (0.085 R)
• M51: 23,513,195 km (0.076 R)
• M52: 24,258,043 km (0.074 R)
• M53: 24,365,005 km (0.061 R)
• M54: 24,525,823 km (0.07 R)
• M55: 25,661,570 km (0.106 R)
• M56: 26,098,695 km (0.068 R)
• M57: 26,263,253 km (0.112 R)
• M58: 26,703,818 km (0.057 R)
• M59: 26,925,074 km (0.09 R)
• M60: 27,202,428 km (0.044 R)
• M61: 28,152,524 km (0.055 R)
• M62: 28,773,056 km (0.091 R)
• M63: 28,943,149 km (0.078 R)
• M64: 30,603,984 km (0.119 R)
• M65: 30,777,518 km (0.108 R)
• M66: 30,951,351 km (0.106 R)
• M67: 31,475,093 km (0.032 R)
• M68: 31,825,750 km (0.065 R)
• M69: 32,060,320 km (0.107 R)
• M70: 33,301,084 km (0.115 R)
• M71: 33,598,784 km (0.117 R)
• M72: 33,777,853 km (0.034 R)
• M73: 35,040,309 km (0.11 R)
• M74: 35,161,334 km (0.099 R)
• M75: 35,707,665 km (0.086 R)
• M76: 36,808,706 km (0.116 R)
• M77: 37,116,578 km (0.034 R)
• M78: 37,425,348 km (0.118 R)
• M79: 37,549,066 km (0.104 R)
• M80: 37,610,999 km (0.073 R)
• M81: 38,356,595 km (0.073 R)
• M82: 39,044,296 km (0.104 R)
• M83: 42,866,821 km (0.065 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 14,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit