🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.91 AU - 1.01 AU

Year: 284 Days

Day: 19.5 Hours

Environment

Temp: 215 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.92 AU - 1.24 AU

Year: 339 Days

Day: 32.1 Hours

Environment

Temp: 218 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 93,474,254 km

• M1: 151,692 km (0.086 R)
• M2: 639,381 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1 AU - 1.62 AU

Year: 453 Days

Day: 13.1 Hours

Environment

Temp: 188 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.54 AU - 3.1 AU

Year: 1431 Days

Day: 46.8 Hours

Environment

Temp: -23 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.19 AU - 4.47 AU

Year: 2266 Days

Day: 28.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,474,254 km

• M1: 225,893 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.07 AU - 4.45 AU

Year: 2658 Days

Day: 20.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 55 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.84 AU - 7.14 AU

Year: 5586 Days

Day: 21.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 10.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.6 AU - 13.84 AU

Year: 12128 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 93,474,254 km

• M1: 254,017 km (0.116 R)
• M2: 618,288 km (0.084 R)
• M3: 782,696 km (0.103 R)
• M4: 962,363 km (0.063 R)
• M5: 1,096,403 km (0.095 R)
• M6: 1,237,025 km (0.117 R)
• M7: 1,603,988 km (0.058 R)
• M8: 1,931,159 km (0.107 R)
• M9: 2,621,104 km (0.058 R)
• M10: 2,894,868 km (0.054 R)
• M11: 2,978,793 km (0.09 R)
• M12: 3,063,615 km (0.101 R)
• M13: 3,235,802 km (0.085 R)
• M14: 3,323,018 km (0.095 R)
• M15: 3,470,222 km (0.115 R)
• M16: 3,680,108 km (0.094 R)
• M17: 4,018,199 km (0.108 R)
• M18: 4,143,711 km (0.107 R)
• M19: 4,990,884 km (0.103 R)
• M20: 5,678,436 km (0.087 R)
• M21: 6,505,712 km (0.113 R)
• M22: 6,579,464 km (0.07 R)
• M23: 7,065,507 km (0.11 R)
• M24: 7,524,474 km (0.119 R)
• M25: 7,835,936 km (0.092 R)
• M26: 8,032,658 km (0.044 R)
• M27: 8,191,231 km (0.06 R)
• M28: 8,310,910 km (0.075 R)
• M29: 8,917,978 km (0.07 R)
• M30: 9,247,542 km (0.088 R)
• M31: 9,372,157 km (0.114 R)
• M32: 9,707,256 km (0.109 R)
• M33: 9,833,966 km (0.105 R)
• M34: 11,441,245 km (0.106 R)
• M35: 11,979,947 km (0.064 R)
• M36: 12,115,932 km (0.12 R)
• M37: 12,988,985 km (0.096 R)
• M38: 13,082,035 km (0.032 R)
• M39: 13,456,628 km (0.112 R)
• M40: 13,550,725 km (0.09 R)
• M41: 13,645,121 km (0.078 R)
• M42: 14,360,348 km (0.068 R)
• M43: 15,332,735 km (0.055 R)
• M44: 16,577,838 km (0.096 R)
• M45: 17,187,150 km (0.107 R)
• M46: 20,125,850 km (0.117 R)
• M47: 20,287,566 km (0.119 R)
• M48: 20,612,492 km (0.118 R)
• M49: 20,775,554 km (0.094 R)
• M50: 21,157,627 km (0.078 R)
• M51: 21,487,191 km (0.055 R)
• M52: 22,429,807 km (0.117 R)
• M53: 22,541,557 km (0.106 R)
• M54: 23,159,695 km (0.101 R)
• M55: 23,442,585 km (0.079 R)
• M56: 23,555,980 km (0.114 R)
• M57: 23,840,365 km (0.102 R)
• M58: 24,183,244 km (0.101 R)
• M59: 24,642,958 km (0.04 R)
• M60: 25,454,227 km (0.096 R)
• M61: 25,746,093 km (0.099 R)
• M62: 26,806,143 km (0.063 R)
• M63: 27,640,301 km (0.076 R)
• M64: 27,760,278 km (0.059 R)
• M65: 28,301,823 km (0.057 R)
• M66: 28,968,580 km (0.097 R)
• M67: 29,090,353 km (0.115 R)
• M68: 30,009,034 km (0.102 R)
• M69: 30,193,937 km (0.109 R)
• M70: 31,124,136 km (0.1 R)
• M71: 31,812,137 km (0.078 R)
• M72: 32,631,784 km (0.084 R)
• M73: 33,330,854 km (0.11 R)
• M74: 34,034,712 km (0.118 R)
• M75: 35,979,335 km (0.088 R)
• M76: 38,694,836 km (0.03 R)
• M77: 41,064,765 km (0.102 R)
• M78: 41,133,131 km (0.098 R)
• M79: 42,370,755 km (0.096 R)
• M80: 43,969,956 km (0.076 R)
• M81: 44,250,153 km (0.113 R)
• M82: 46,583,879 km (0.105 R)
• M83: 46,797,954 km (0.118 R)
• M84: 46,940,820 km (0.111 R)
• M85: 47,945,519 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.1

Radius: 3.4

Gravity: 71.46 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 18.45 AU - 19.31 AU

Year: 24798 Days

Day: 21.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 93,474,254 km

• M1: 165,156 km (0.083 R)
• M2: 411,544 km (0.066 R)
• M3: 577,149 km (0.079 R)
• M4: 1,313,769 km (0.043 R)
• M5: 1,809,835 km (0.038 R)
• M6: 1,961,378 km (0.117 R)
• M7: 2,196,097 km (0.107 R)
• M8: 2,276,431 km (0.067 R)
• M9: 3,266,769 km (0.082 R)
• M10: 3,877,726 km (0.107 R)
• M11: 3,926,196 km (0.094 R)
• M12: 5,579,103 km (0.116 R)
• M13: 5,633,856 km (0.048 R)
• M14: 6,649,027 km (0.088 R)
• M15: 6,940,892 km (0.073 R)
• M16: 7,058,925 km (0.104 R)
• M17: 7,177,407 km (0.058 R)
• M18: 7,416,614 km (0.093 R)
• M19: 7,902,807 km (0.085 R)
• M20: 8,651,095 km (0.102 R)
• M21: 8,841,683 km (0.118 R)
• M22: 9,947,510 km (0.061 R)
• M23: 10,415,453 km (0.111 R)
• M24: 10,482,921 km (0.114 R)
• M25: 11,165,237 km (0.091 R)
• M26: 11,303,316 km (0.115 R)
• M27: 11,861,765 km (0.069 R)
• M28: 12,788,075 km (0.116 R)
• M29: 14,183,075 km (0.114 R)
• M30: 14,709,061 km (0.111 R)
• M31: 14,936,450 km (0.077 R)
• M32: 16,012,956 km (0.118 R)
• M33: 16,090,747 km (0.085 R)
• M34: 16,639,173 km (0.042 R)
• M35: 17,273,318 km (0.047 R)
• M36: 18,975,443 km (0.08 R)
• M37: 20,391,985 km (0.111 R)
• M38: 21,155,532 km (0.119 R)
• M39: 21,240,953 km (0.054 R)
• M40: 21,326,523 km (0.105 R)
• M41: 21,842,187 km (0.071 R)
• M42: 21,928,505 km (0.085 R)
• M43: 22,710,602 km (0.06 R)
• M44: 24,750,519 km (0.078 R)
• M45: 24,930,635 km (0.087 R)
• M46: 25,111,199 km (0.081 R)
• M47: 27,311,634 km (0.11 R)
• M48: 28,340,569 km (0.058 R)
• M49: 28,717,854 km (0.106 R)
• M50: 30,725,907 km (0.116 R)
• M51: 31,016,426 km (0.076 R)
• M52: 31,795,531 km (0.048 R)
• M53: 32,679,804 km (0.113 R)
• M54: 32,778,689 km (0.066 R)
• M55: 33,273,858 km (0.074 R)
• M56: 33,572,156 km (0.119 R)
• M57: 34,271,825 km (0.063 R)
• M58: 35,077,110 km (0.07 R)
• M59: 35,888,679 km (0.045 R)
• M60: 36,296,931 km (0.097 R)
• M61: 36,603,906 km (0.1 R)
• M62: 38,777,713 km (0.114 R)
• M63: 40,038,374 km (0.105 R)
• M64: 40,567,651 km (0.109 R)
• M65: 41,526,275 km (0.103 R)
• M66: 44,555,631 km (0.107 R)
• M67: 45,434,220 km (0.091 R)
• M68: 45,875,533 km (0.059 R)
• M69: 49,004,971 km (0.097 R)
• M70: 52,780,672 km (0.084 R)
• M71: 53,943,047 km (0.105 R)
• M72: 54,761,797 km (0.084 R)
• M73: 56,293,230 km (0.08 R)
• M74: 58,316,990 km (0.106 R)
• M75: 58,916,728 km (0.034 R)
• M76: 60,001,312 km (0.117 R)
• M77: 60,606,735 km (0.111 R)
• M78: 60,971,006 km (0.109 R)
• M79: 61,214,252 km (0.101 R)
• M80: 65,522,671 km (0.076 R)
• M81: 68,532,879 km (0.102 R)
• M82: 70,564,717 km (0.115 R)
• M83: 78,225,774 km (0.061 R)
• M84: 78,622,358 km (0.045 R)
• M85: 79,948,842 km (0.099 R)
• M86: 82,221,084 km (0.094 R)
• M87: 82,624,250 km (0.027 R)
• M88: 83,702,552 km (0.048 R)
• M89: 84,514,270 km (0.06 R)
• M90: 85,328,681 km (0.112 R)
• M91: 86,145,784 km (0.116 R)
• M92: 87,787,471 km (0.066 R)
• M93: 89,163,472 km (0.079 R)
• M94: 90,824,158 km (0.106 R)
• M95: 91,519,041 km (0.049 R)
• M96: 92,634,592 km (0.072 R)
• M97: 93,194,088 km (0.098 R)

Kuiper Belt

Range: 36.3 - 63.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit