🌌 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: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.56 AU - 0.72 AU

Year: 193 Days

Day: 42.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.61 AU - 0.91 AU

Year: 250 Days

Day: 24.6 Hours

Environment

Temp: 164 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,060,717 km

• M1: 162,463 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.64 AU - 0.96 AU

Year: 270 Days

Day: 26.3 Hours

Environment

Temp: 79 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.81 AU - 1.13 AU

Year: 360 Days

Day: 18.6 Hours

Environment

Temp: 8 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.01 AU - 1.21 AU

Year: 441 Days

Day: 42.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.08 AU - 1.44 AU

Year: 533 Days

Day: 19.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.46 AU

Year: 578 Days

Day: 38.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,060,717 km

• M1: 113,844 km (0.095 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.1 AU - 3.14 AU

Year: 1598 Days

Day: 42.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 10

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.7 AU - 5.22 AU

Year: 4161 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 79,060,717 km

• M1: 226,491 km (0.074 R)
• M2: 307,872 km (0.047 R)
• M3: 413,040 km (0.044 R)
• M4: 643,271 km (0.119 R)
• M5: 823,985 km (0.098 R)
• M6: 994,676 km (0.069 R)
• M7: 1,077,553 km (0.101 R)
• M8: 1,559,707 km (0.055 R)
• M9: 1,673,551 km (0.102 R)
• M10: 1,961,976 km (0.043 R)
• M11: 2,032,287 km (0.101 R)
• M12: 2,741,531 km (0.119 R)
• M13: 2,840,265 km (0.099 R)
• M14: 3,020,979 km (0.11 R)
• M15: 3,309,853 km (0.109 R)
• M16: 3,394,076 km (0.039 R)
• M17: 3,738,152 km (0.068 R)
• M18: 4,436,474 km (0.066 R)
• M19: 4,576,348 km (0.03 R)
• M20: 4,670,296 km (0.069 R)
• M21: 5,077,352 km (0.062 R)
• M22: 5,421,128 km (0.09 R)
• M23: 5,570,726 km (0.076 R)
• M24: 5,848,678 km (0.104 R)
• M25: 6,157,149 km (0.077 R)
• M26: 6,235,090 km (0.079 R)
• M27: 6,339,509 km (0.11 R)
• M28: 7,114,276 km (0.089 R)
• M29: 7,471,217 km (0.106 R)
• M30: 7,554,543 km (0.099 R)
• M31: 7,777,892 km (0.095 R)
• M32: 7,918,814 km (0.072 R)
• M33: 8,031,910 km (0.087 R)
• M34: 8,346,215 km (0.049 R)
• M35: 8,781,096 km (0.051 R)
• M36: 9,253,227 km (0.103 R)
• M37: 9,612,710 km (0.065 R)
• M38: 9,915,945 km (0.049 R)
• M39: 10,314,773 km (0.094 R)
• M40: 10,407,524 km (0.115 R)
• M41: 10,625,039 km (0.105 R)
• M42: 10,718,837 km (0.039 R)
• M43: 10,781,369 km (0.101 R)
• M44: 11,064,707 km (0.107 R)
• M45: 11,799,981 km (0.107 R)
• M46: 12,518,051 km (0.093 R)
• M47: 12,882,321 km (0.067 R)
• M48: 12,949,042 km (0.088 R)
• M49: 13,115,993 km (0.058 R)
• M50: 13,723,361 km (0.049 R)
• M51: 13,791,428 km (0.112 R)
• M52: 13,893,753 km (0.103 R)
• M53: 15,211,111 km (0.079 R)
• M54: 16,279,240 km (0.093 R)
• M55: 16,568,114 km (0.083 R)
• M56: 17,004,640 km (0.106 R)
• M57: 17,851,963 km (0.092 R)
• M58: 18,000,813 km (0.089 R)
• M59: 18,487,155 km (0.045 R)
• M60: 18,675,349 km (0.035 R)
• M61: 19,664,191 km (0.078 R)
• M62: 20,049,107 km (0.075 R)
• M63: 20,553,102 km (0.073 R)
• M64: 20,826,268 km (0.073 R)
• M65: 20,983,046 km (0.092 R)
• M66: 21,061,435 km (0.083 R)
• M67: 21,931,048 km (0.075 R)
• M68: 22,290,083 km (0.102 R)
• M69: 22,370,118 km (0.03 R)
• M70: 22,892,962 km (0.101 R)
• M71: 23,014,136 km (0.069 R)
• M72: 23,460,536 km (0.098 R)
• M73: 23,582,758 km (0.051 R)
• M74: 24,733,614 km (0.098 R)
• M75: 25,483,100 km (0.061 R)
• M76: 26,706,212 km (0.048 R)
• M77: 27,217,986 km (0.102 R)
• M78: 27,474,995 km (0.071 R)
• M79: 27,732,902 km (0.076 R)
• M80: 28,121,258 km (0.065 R)
• M81: 28,598,326 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.4

Radius: 3.5

Gravity: 28.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 17.7 AU - 18.9 AU

Year: 29492 Days

Day: 19.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 79,060,717 km

• M1: 100,081 km (0.088 R)
• M2: 122,521 km (0.105 R)
• M3: 160,668 km (0.099 R)
• M4: 218,712 km (0.043 R)
• M5: 1,538,465 km (0.111 R)
• M6: 1,898,995 km (0.11 R)
• M7: 1,967,212 km (0.107 R)
• M8: 2,001,769 km (0.112 R)
• M9: 2,617,664 km (0.076 R)
• M10: 2,693,659 km (0.106 R)
• M11: 3,619,820 km (0.09 R)
• M12: 4,094,344 km (0.084 R)
• M13: 4,361,376 km (0.107 R)
• M14: 4,588,167 km (0.103 R)
• M15: 4,865,372 km (0.058 R)
• M16: 5,195,684 km (0.104 R)
• M17: 5,387,767 km (0.117 R)
• M18: 6,536,081 km (0.088 R)
• M19: 7,270,606 km (0.034 R)
• M20: 8,930,544 km (0.073 R)
• M21: 9,102,731 km (0.116 R)
• M22: 10,519,124 km (0.079 R)
• M23: 11,314,536 km (0.041 R)
• M24: 11,376,619 km (0.095 R)
• M25: 11,750,913 km (0.119 R)
• M26: 12,833,104 km (0.107 R)
• M27: 12,897,730 km (0.069 R)
• M28: 13,027,431 km (0.089 R)
• M29: 13,092,357 km (0.056 R)
• M30: 13,287,881 km (0.083 R)
• M31: 13,550,126 km (0.038 R)
• M32: 13,880,438 km (0.076 R)
• M33: 14,146,423 km (0.098 R)
• M34: 14,481,523 km (0.116 R)
• M35: 14,886,933 km (0.047 R)
• M36: 15,501,930 km (0.093 R)
• M37: 15,570,894 km (0.068 R)
• M38: 18,407,120 km (0.03 R)
• M39: 20,183,595 km (0.088 R)
• M40: 20,787,821 km (0.053 R)
• M41: 21,397,881 km (0.084 R)
• M42: 21,474,475 km (0.071 R)
• M43: 21,705,155 km (0.076 R)
• M44: 23,184,379 km (0.109 R)
• M45: 24,776,250 km (0.1 R)
• M46: 26,403,127 km (0.079 R)
• M47: 26,567,684 km (0.067 R)
• M48: 26,732,691 km (0.075 R)
• M49: 26,815,269 km (0.108 R)
• M50: 26,897,847 km (0.046 R)
• M51: 27,063,452 km (0.058 R)
• M52: 28,148,036 km (0.113 R)
• M53: 29,161,861 km (0.059 R)
• M54: 30,101,485 km (0.086 R)
• M55: 30,532,028 km (0.103 R)
• M56: 31,051,132 km (0.109 R)
• M57: 31,138,049 km (0.053 R)
• M58: 31,311,882 km (0.045 R)
• M59: 32,010,504 km (0.067 R)
• M60: 32,186,131 km (0.118 R)
• M61: 33,245,584 km (0.037 R)
• M62: 34,946,661 km (0.118 R)
• M63: 40,121,700 km (0.09 R)
• M64: 40,500,332 km (0.108 R)
• M65: 43,087,328 km (0.099 R)
• M66: 43,864,040 km (0.11 R)
• M67: 47,816,267 km (0.09 R)
• M68: 49,125,098 km (0.068 R)
• M69: 49,428,782 km (0.078 R)
• M70: 49,834,791 km (0.098 R)
• M71: 50,139,821 km (0.063 R)
• M72: 50,547,774 km (0.095 R)
• M73: 51,161,574 km (0.114 R)
• M74: 51,880,841 km (0.059 R)
• M75: 52,810,442 km (0.112 R)
• M76: 53,745,578 km (0.079 R)
• M77: 53,849,848 km (0.101 R)
• M78: 56,689,664 km (0.077 R)
• M79: 58,502,491 km (0.097 R)
• M80: 58,717,015 km (0.073 R)
• M81: 58,931,837 km (0.084 R)
• M82: 62,732,670 km (0.067 R)
• M83: 63,172,189 km (0.098 R)
• M84: 63,502,351 km (0.086 R)
• M85: 64,828,985 km (0.098 R)
• M86: 67,397,132 km (0.112 R)
• M87: 69,089,832 km (0.117 R)
• M88: 69,543,712 km (0.1 R)
• M89: 70,112,184 km (0.116 R)
• M90: 70,226,177 km (0.109 R)
• M91: 70,796,594 km (0.115 R)
• M92: 71,483,099 km (0.09 R)
• M93: 73,671,715 km (0.092 R)
• M94: 74,135,319 km (0.032 R)
• M95: 75,065,220 km (0.09 R)
• M96: 75,882,174 km (0.095 R)
• M97: 76,116,145 km (0.084 R)
• M98: 78,942,198 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 12,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit