🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.75 AU - 1.21 AU

Year: 344 Days

Day: 42.7 Hours

Environment

Temp: 152 °C

Axial Tilt: 98.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.48 AU - 1.5 AU

Year: 645 Days

Day: 21.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 30,861,578 km

• M1: 385,663 km (0.057 R)
• M2: 688,749 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.27 AU - 1.97 AU

Year: 731 Days

Day: 36.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,861,578 km

• M1: 34,707 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.35 AU - 2.21 AU

Year: 842 Days

Day: 24.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.81 AU - 2.29 AU

Year: 1041 Days

Day: 23.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.09 AU - 3.15 AU

Year: 1504 Days

Day: 46.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 10.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.79 AU - 7.71 AU

Year: 6925 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 105.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 30,861,578 km

• M1: 243,246 km (0.089 R)
• M2: 365,318 km (0.062 R)
• M3: 758,760 km (0.098 R)
• M4: 1,009,038 km (0.109 R)
• M5: 1,976,936 km (0.09 R)
• M6: 2,072,379 km (0.075 R)
• M7: 2,253,842 km (0.037 R)
• M8: 3,062,867 km (0.048 R)
• M9: 3,749,521 km (0.096 R)
• M10: 4,198,165 km (0.092 R)
• M11: 4,554,956 km (0.089 R)
• M12: 4,664,013 km (0.107 R)
• M13: 4,755,417 km (0.118 R)
• M14: 4,847,569 km (0.119 R)
• M15: 4,977,570 km (0.032 R)
• M16: 5,089,768 km (0.1 R)
• M17: 5,412,601 km (0.108 R)
• M18: 6,238,680 km (0.112 R)
• M19: 6,461,581 km (0.091 R)
• M20: 7,040,824 km (0.108 R)
• M21: 7,400,607 km (0.109 R)
• M22: 8,493,569 km (0.057 R)
• M23: 8,560,738 km (0.089 R)
• M24: 11,143,994 km (0.113 R)
• M25: 11,291,348 km (0.106 R)
• M26: 11,365,399 km (0.059 R)
• M27: 11,737,599 km (0.107 R)
• M28: 11,837,530 km (0.075 R)
• M29: 12,239,948 km (0.082 R)
• M30: 12,544,829 km (0.051 R)
• M31: 12,826,521 km (0.04 R)
• M32: 13,631,657 km (0.117 R)
• M33: 15,509,110 km (0.095 R)
• M34: 15,756,396 km (0.115 R)
• M35: 16,394,131 km (0.086 R)
• M36: 16,477,906 km (0.067 R)
• M37: 16,702,153 km (0.069 R)
• M38: 17,267,185 km (0.062 R)
• M39: 18,010,985 km (0.103 R)
• M40: 18,794,429 km (0.051 R)
• M41: 18,882,094 km (0.091 R)
• M42: 18,970,057 km (0.109 R)
• M43: 19,058,021 km (0.099 R)
• M44: 19,322,959 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.3

Radius: 8.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.77 AU - 9.01 AU

Year: 9404 Days

Day: 14.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 30,861,578 km

• M1: 123,418 km (0.117 R)
• M2: 278,402 km (0.12 R)
• M3: 571,613 km (0.102 R)
• M4: 676,631 km (0.106 R)
• M5: 737,966 km (0.094 R)
• M6: 840,291 km (0.086 R)
• M7: 1,031,477 km (0.087 R)
• M8: 1,132,306 km (0.08 R)
• M9: 1,391,559 km (0.058 R)
• M10: 1,503,758 km (0.104 R)
• M11: 1,669,512 km (0.094 R)
• M12: 1,823,748 km (0.088 R)
• M13: 1,911,562 km (0.057 R)
• M14: 2,467,916 km (0.115 R)
• M15: 2,865,547 km (0.08 R)
• M16: 2,927,032 km (0.113 R)
• M17: 3,030,254 km (0.078 R)
• M18: 3,113,880 km (0.095 R)
• M19: 3,304,767 km (0.108 R)
• M20: 3,877,577 km (0.094 R)
• M21: 4,339,086 km (0.094 R)
• M22: 4,457,269 km (0.12 R)
• M23: 4,528,627 km (0.098 R)
• M24: 4,672,689 km (0.114 R)
• M25: 4,842,483 km (0.12 R)
• M26: 5,113,554 km (0.098 R)
• M27: 5,188,353 km (0.113 R)
• M28: 5,567,883 km (0.089 R)
• M29: 5,904,179 km (0.102 R)
• M30: 6,114,364 km (0.113 R)
• M31: 6,247,057 km (0.075 R)
• M32: 6,515,137 km (0.098 R)
• M33: 6,732,353 km (0.105 R)
• M34: 7,062,815 km (0.041 R)
• M35: 7,483,185 km (0.076 R)
• M36: 7,883,060 km (0.085 R)
• M37: 7,969,527 km (0.081 R)
• M38: 8,318,988 km (0.09 R)
• M39: 8,614,145 km (0.078 R)
• M40: 8,822,684 km (0.08 R)
• M41: 9,489,143 km (0.068 R)
• M42: 9,797,464 km (0.101 R)
• M43: 10,966,721 km (0.088 R)
• M44: 11,128,137 km (0.063 R)
• M45: 11,322,764 km (0.118 R)
• M46: 11,781,580 km (0.11 R)
• M47: 11,913,675 km (0.095 R)
• M48: 12,146,150 km (0.089 R)
• M49: 12,784,784 km (0.087 R)
• M50: 12,886,660 km (0.061 R)
• M51: 12,988,835 km (0.08 R)
• M52: 13,091,160 km (0.108 R)
• M53: 13,607,123 km (0.064 R)
• M54: 13,745,800 km (0.114 R)
• M55: 15,736,649 km (0.12 R)
• M56: 15,809,353 km (0.077 R)
• M57: 16,138,169 km (0.079 R)
• M58: 17,929,604 km (0.059 R)
• M59: 19,042,313 km (0.038 R)
• M60: 19,197,446 km (0.064 R)
• M61: 19,275,237 km (0.086 R)
• M62: 20,137,669 km (0.057 R)
• M63: 20,216,656 km (0.101 R)
• M64: 20,335,287 km (0.044 R)
• M65: 20,772,712 km (0.069 R)
• M66: 21,778,159 km (0.079 R)
• M67: 21,981,014 km (0.097 R)
• M68: 22,552,777 km (0.093 R)
• M69: 23,669,226 km (0.069 R)
• M70: 23,836,027 km (0.091 R)
• M71: 24,297,088 km (0.087 R)
• M72: 24,423,348 km (0.051 R)
• M73: 25,526,633 km (0.112 R)
• M74: 25,826,576 km (0.046 R)
• M75: 26,343,287 km (0.109 R)
• M76: 26,472,989 km (0.105 R)
• M77: 27,212,002 km (0.025 R)
• M78: 27,299,367 km (0.083 R)
• M79: 27,518,229 km (0.049 R)
• M80: 27,825,653 km (0.112 R)
• M81: 29,739,010 km (0.08 R)
• M82: 30,280,554 km (0.036 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 12.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.51 AU - 10.71 AU

Year: 10569 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 30,861,578 km

• M1: 153,637 km (0.107 R)
• M2: 233,522 km (0.109 R)
• M3: 359,783 km (0.06 R)
• M4: 503,846 km (0.099 R)
• M5: 1,076,506 km (0.064 R)
• M6: 1,180,626 km (0.11 R)
• M7: 1,349,672 km (0.117 R)
• M8: 1,962,126 km (0.057 R)
• M9: 2,135,210 km (0.042 R)
• M10: 2,253,542 km (0.081 R)
• M11: 2,343,750 km (0.038 R)
• M12: 2,435,304 km (0.069 R)
• M13: 2,960,243 km (0.078 R)
• M14: 3,059,426 km (0.03 R)
• M15: 4,002,940 km (0.078 R)
• M16: 5,050,574 km (0.108 R)
• M17: 5,189,849 km (0.03 R)
• M18: 5,290,080 km (0.114 R)
• M19: 5,533,476 km (0.107 R)
• M20: 5,801,256 km (0.031 R)
• M21: 5,968,207 km (0.09 R)
• M22: 6,052,281 km (0.115 R)
• M23: 7,003,125 km (0.119 R)
• M24: 7,091,837 km (0.096 R)
• M25: 7,564,117 km (0.077 R)
• M26: 8,373,890 km (0.093 R)
• M27: 8,586,619 km (0.1 R)
• M28: 8,681,763 km (0.101 R)
• M29: 8,849,013 km (0.105 R)
• M30: 9,041,546 km (0.114 R)
• M31: 9,504,402 km (0.047 R)
• M32: 10,025,002 km (0.119 R)
• M33: 10,478,583 km (0.119 R)
• M34: 10,784,810 km (0.093 R)
• M35: 11,615,676 km (0.103 R)
• M36: 11,959,153 km (0.071 R)
• M37: 12,818,892 km (0.042 R)
• M38: 14,258,323 km (0.058 R)
• M39: 14,569,337 km (0.044 R)
• M40: 14,854,021 km (0.07 R)
• M41: 15,342,309 km (0.071 R)
• M42: 15,573,886 km (0.076 R)
• M43: 15,748,317 km (0.086 R)
• M44: 15,835,832 km (0.08 R)
• M45: 15,923,497 km (0.094 R)
• M46: 16,898,276 km (0.104 R)
• M47: 17,922,573 km (0.101 R)
• M48: 18,105,531 km (0.059 R)
• M49: 18,319,606 km (0.119 R)
• M50: 19,340,462 km (0.086 R)
• M51: 19,684,985 km (0.073 R)
• M52: 20,411,582 km (0.115 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 11.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 10.85 AU - 13.35 AU

Year: 14932 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 30,861,578 km

• M1: 141,968 km (0.074 R)
• M2: 226,192 km (0.107 R)
• M3: 331,958 km (0.104 R)
• M4: 982,708 km (0.098 R)
• M5: 1,110,764 km (0.065 R)
• M6: 2,050,538 km (0.069 R)
• M7: 2,311,736 km (0.11 R)
• M8: 2,465,971 km (0.1 R)
• M9: 2,683,636 km (0.118 R)
• M10: 2,887,239 km (0.09 R)
• M11: 3,572,397 km (0.097 R)
• M12: 3,683,997 km (0.11 R)
• M13: 4,425,554 km (0.12 R)
• M14: 6,042,856 km (0.111 R)
• M15: 6,256,931 km (0.084 R)
• M16: 6,419,095 km (0.108 R)
• M17: 6,720,086 km (0.095 R)
• M18: 6,941,940 km (0.104 R)
• M19: 7,137,913 km (0.096 R)
• M20: 7,621,862 km (0.095 R)
• M21: 7,882,312 km (0.053 R)
• M22: 8,923,214 km (0.102 R)
• M23: 9,044,986 km (0.106 R)
• M24: 9,755,576 km (0.087 R)
• M25: 9,975,336 km (0.099 R)
• M26: 10,388,076 km (0.118 R)
• M27: 12,127,750 km (0.113 R)
• M28: 12,398,223 km (0.114 R)
• M29: 12,534,207 km (0.029 R)
• M30: 13,221,460 km (0.116 R)
• M31: 13,499,712 km (0.086 R)
• M32: 13,850,369 km (0.102 R)
• M33: 13,920,830 km (0.107 R)
• M34: 14,026,895 km (0.108 R)
• M35: 14,382,040 km (0.102 R)
• M36: 15,282,918 km (0.109 R)
• M37: 15,538,432 km (0.102 R)
• M38: 16,202,048 km (0.095 R)
• M39: 16,425,397 km (0.12 R)
• M40: 16,724,593 km (0.106 R)
• M41: 16,912,638 km (0.12 R)
• M42: 17,901,330 km (0.039 R)
• M43: 17,978,223 km (0.118 R)
• M44: 19,183,085 km (0.118 R)
• M45: 19,735,849 km (0.113 R)
• M46: 20,937,868 km (0.044 R)
• M47: 21,140,573 km (0.087 R)
• M48: 21,957,676 km (0.062 R)
• M49: 23,370,479 km (0.111 R)
• M50: 24,087,800 km (0.104 R)
• M51: 24,855,237 km (0.078 R)
• M52: 25,069,910 km (0.083 R)
• M53: 25,847,520 km (0.069 R)
• M54: 25,934,436 km (0.064 R)
• M55: 28,406,990 km (0.117 R)
• M56: 28,856,382 km (0.105 R)
• M57: 29,353,496 km (0.086 R)
• M58: 29,625,764 km (0.027 R)
• M59: 29,853,302 km (0.089 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 12,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit