🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.55 AU - 0.75 AU

Year: 190 Days

Day: 25.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,062,659 km

• M1: 103,223 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.04 AU - 1.36 AU

Year: 475 Days

Day: 18.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.16 AU - 1.26 AU

Year: 481 Days

Day: 25.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 35,062,659 km

• M1: 29,620 km (0.088 R)
• M2: 604,974 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.61 AU - 2.65 AU

Year: 1124 Days

Day: 34.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 109.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,062,659 km

• M1: 452,234 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.99 AU - 2.39 AU

Year: 1172 Days

Day: 18.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.67 AU - 3.13 AU

Year: 1786 Days

Day: 33.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 13.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.08 AU - 12.6 AU

Year: 12025 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 35,062,659 km

• M1: 167,250 km (0.113 R)
• M2: 350,807 km (0.117 R)
• M3: 505,940 km (0.062 R)
• M4: 1,988,604 km (0.047 R)
• M5: 2,351,679 km (0.027 R)
• M6: 2,556,029 km (0.115 R)
• M7: 2,645,489 km (0.108 R)
• M8: 3,665,148 km (0.092 R)
• M9: 4,006,979 km (0.092 R)
• M10: 4,217,164 km (0.098 R)
• M11: 4,943,910 km (0.045 R)
• M12: 5,207,651 km (0.087 R)
• M13: 5,986,608 km (0.083 R)
• M14: 6,718,889 km (0.111 R)
• M15: 6,927,279 km (0.092 R)
• M16: 7,565,613 km (0.049 R)
• M17: 8,178,516 km (0.027 R)
• M18: 8,356,537 km (0.088 R)
• M19: 9,638,890 km (0.105 R)
• M20: 10,350,976 km (0.065 R)
• M21: 11,876,126 km (0.108 R)
• M22: 12,587,763 km (0.111 R)
• M23: 13,052,713 km (0.093 R)
• M24: 13,734,132 km (0.078 R)
• M25: 15,295,634 km (0.116 R)
• M26: 16,237,054 km (0.101 R)
• M27: 16,461,450 km (0.115 R)
• M28: 16,799,691 km (0.11 R)
• M29: 17,140,326 km (0.037 R)
• M30: 17,540,650 km (0.041 R)
• M31: 17,886,221 km (0.083 R)
• M32: 18,234,036 km (0.061 R)
• M33: 18,995,339 km (0.062 R)
• M34: 19,231,704 km (0.106 R)
• M35: 19,409,576 km (0.05 R)
• M36: 19,647,736 km (0.088 R)
• M37: 19,946,632 km (0.069 R)
• M38: 20,549,063 km (0.113 R)
• M39: 20,974,369 km (0.047 R)
• M40: 21,586,973 km (0.098 R)
• M41: 21,772,025 km (0.066 R)
• M42: 22,704,469 km (0.115 R)
• M43: 22,892,663 km (0.117 R)
• M44: 23,018,325 km (0.073 R)
• M45: 23,144,137 km (0.098 R)
• M46: 25,906,312 km (0.053 R)
• M47: 26,563,496 km (0.113 R)
• M48: 26,761,713 km (0.085 R)
• M49: 27,093,222 km (0.095 R)
• M50: 27,693,408 km (0.073 R)
• M51: 27,894,318 km (0.074 R)
• M52: 28,432,871 km (0.058 R)
• M53: 28,567,957 km (0.041 R)
• M54: 29,246,833 km (0.062 R)
• M55: 29,656,731 km (0.092 R)
• M56: 30,828,531 km (0.12 R)
• M57: 32,649,885 km (0.118 R)
• M58: 36,322,513 km (0.067 R)
• M59: 36,910,432 km (0.119 R)
• M60: 38,170,196 km (0.109 R)
• M61: 38,543,443 km (0.039 R)
• M62: 38,767,989 km (0.086 R)
• M63: 40,124,094 km (0.118 R)
• M64: 41,036,790 km (0.085 R)
• M65: 41,419,162 km (0.082 R)
• M66: 41,879,475 km (0.103 R)
• M67: 43,037,811 km (0.102 R)
• M68: 43,348,526 km (0.106 R)
• M69: 43,659,989 km (0.102 R)
• M70: 44,285,009 km (0.116 R)
• M71: 44,834,332 km (0.085 R)
• M72: 45,070,547 km (0.089 R)
• M73: 46,177,871 km (0.109 R)
• M74: 47,614,908 km (0.119 R)
• M75: 47,775,576 km (0.064 R)
• M76: 49,960,902 km (0.071 R)
• M77: 51,024,692 km (0.089 R)
• M78: 51,930,657 km (0.087 R)
• M79: 52,095,962 km (0.078 R)
• M80: 52,509,900 km (0.054 R)
• M81: 52,925,034 km (0.05 R)
• M82: 54,009,469 km (0.044 R)
• M83: 54,596,341 km (0.069 R)
• M84: 54,848,563 km (0.096 R)
• M85: 55,269,681 km (0.08 R)
• M86: 55,776,519 km (0.092 R)
• M87: 56,030,536 km (0.081 R)
• M88: 56,115,358 km (0.033 R)
• M89: 56,965,224 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.7

Radius: 13.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 10.05 AU - 13.07 AU

Year: 14214 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 35,062,659 km

• M1: 197,768 km (0.101 R)
• M2: 309,219 km (0.053 R)
• M3: 463,305 km (0.077 R)
• M4: 613,052 km (0.116 R)
• M5: 701,764 km (0.086 R)
• M6: 967,449 km (0.111 R)
• M7: 1,266,496 km (0.107 R)
• M8: 1,971,550 km (0.112 R)
• M9: 2,292,587 km (0.06 R)
• M10: 2,806,007 km (0.064 R)
• M11: 3,007,815 km (0.059 R)
• M12: 3,214,409 km (0.055 R)
• M13: 3,402,155 km (0.048 R)
• M14: 3,838,083 km (0.116 R)
• M15: 4,088,061 km (0.105 R)
• M16: 4,189,638 km (0.073 R)
• M17: 4,604,174 km (0.067 R)
• M18: 4,843,231 km (0.075 R)
• M19: 5,032,024 km (0.043 R)
• M20: 5,472,889 km (0.038 R)
• M21: 5,556,963 km (0.104 R)
• M22: 5,641,485 km (0.111 R)
• M23: 5,783,154 km (0.113 R)
• M24: 5,983,765 km (0.107 R)
• M25: 6,421,339 km (0.101 R)
• M26: 6,629,130 km (0.106 R)
• M27: 6,990,559 km (0.072 R)
• M28: 7,544,819 km (0.106 R)
• M29: 7,764,129 km (0.084 R)
• M30: 8,467,539 km (0.105 R)
• M31: 8,859,784 km (0.11 R)
• M32: 9,025,090 km (0.109 R)
• M33: 9,459,522 km (0.059 R)
• M34: 9,594,609 km (0.119 R)
• M35: 9,900,836 km (0.062 R)
• M36: 10,175,797 km (0.102 R)
• M37: 10,453,151 km (0.101 R)
• M38: 10,557,870 km (0.12 R)
• M39: 10,768,354 km (0.117 R)
• M40: 10,874,120 km (0.057 R)
• M41: 11,051,244 km (0.1 R)
• M42: 11,479,991 km (0.091 R)
• M43: 12,613,045 km (0.054 R)
• M44: 12,724,645 km (0.093 R)
• M45: 12,873,794 km (0.088 R)
• M46: 13,098,790 km (0.074 R)
• M47: 13,590,667 km (0.069 R)
• M48: 13,781,554 km (0.107 R)
• M49: 14,475,988 km (0.046 R)
• M50: 16,667,596 km (0.1 R)
• M51: 17,448,497 km (0.118 R)
• M52: 17,572,963 km (0.101 R)
• M53: 17,780,904 km (0.116 R)
• M54: 18,833,175 km (0.036 R)
• M55: 19,088,688 km (0.115 R)
• M56: 19,474,202 km (0.098 R)
• M57: 19,732,707 km (0.107 R)
• M58: 20,122,410 km (0.115 R)
• M59: 20,514,805 km (0.05 R)
• M60: 20,909,743 km (0.06 R)
• M61: 21,041,988 km (0.082 R)
• M62: 21,351,506 km (0.116 R)
• M63: 21,885,570 km (0.066 R)
• M64: 23,194,551 km (0.084 R)
• M65: 24,019,883 km (0.079 R)
• M66: 24,668,390 km (0.104 R)
• M67: 24,854,789 km (0.079 R)
• M68: 25,088,311 km (0.076 R)
• M69: 25,416,529 km (0.106 R)
• M70: 26,362,436 km (0.03 R)
• M71: 26,552,874 km (0.106 R)
• M72: 27,031,288 km (0.039 R)
• M73: 28,239,590 km (0.116 R)
• M74: 29,317,592 km (0.072 R)
• M75: 29,613,946 km (0.105 R)
• M76: 29,812,013 km (0.085 R)
• M77: 31,969,215 km (0.093 R)
• M78: 32,478,147 km (0.104 R)
• M79: 34,644,772 km (0.045 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 15,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit