🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 9.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 7.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,977,826 km

• M1: 120,725 km (0.09 R)
• M2: 427,401 km (0.084 R)
• M3: 846,724 km (0.115 R)
• M4: 1,218,774 km (0.093 R)
• M5: 1,862,344 km (0.044 R)
• M6: 2,341,057 km (0.077 R)
• M7: 2,726,122 km (0.119 R)
• M8: 3,038,183 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 10.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.73 AU - 0.91 AU

Year: 513 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,977,826 km

• M1: 125,662 km (0.107 R)
• M2: 524,789 km (0.03 R)
• M3: 865,274 km (0.108 R)
• M4: 1,345,932 km (0.102 R)
• M5: 1,784,553 km (0.082 R)
• M6: 2,232,449 km (0.096 R)
• M7: 2,819,770 km (0.047 R)
• M8: 3,795,747 km (0.113 R)
• M9: 4,680,768 km (0.087 R)
• M10: 5,230,690 km (0.032 R)
• M11: 5,841,198 km (0.111 R)
• M12: 6,192,305 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 10.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,977,826 km

• M1: 112,049 km (0.116 R)
• M2: 417,079 km (0.036 R)
• M3: 707,149 km (0.063 R)
• M4: 1,077,853 km (0.051 R)
• M5: 1,492,688 km (0.081 R)
• M6: 2,174,255 km (0.086 R)
• M7: 2,497,985 km (0.115 R)
• M8: 4,887,961 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 13.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.72 AU - 1.88 AU

Year: 1667 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,977,826 km

• M1: 170,392 km (0.029 R)
• M2: 607,218 km (0.105 R)
• M3: 1,504,506 km (0.077 R)
• M4: 2,012,540 km (0.058 R)
• M5: 2,448,319 km (0.1 R)
• M6: 3,080,071 km (0.097 R)
• M7: 4,090,305 km (0.067 R)
• M8: 4,781,597 km (0.089 R)
• M9: 5,549,782 km (0.097 R)
• M10: 6,266,206 km (0.113 R)
• M11: 6,901,847 km (0.079 R)
• M12: 7,555,141 km (0.054 R)
• M13: 8,598,736 km (0.106 R)
• M14: 9,706,658 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 11.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.44 AU - 3.34 AU

Year: 3391 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,977,826 km

• M1: 142,716 km (0.067 R)
• M2: 550,520 km (0.105 R)
• M3: 918,232 km (0.027 R)
• M4: 2,003,714 km (0.106 R)
• M5: 3,281,280 km (0.104 R)
• M6: 4,448,442 km (0.111 R)
• M7: 5,604,086 km (0.093 R)
• M8: 7,135,968 km (0.076 R)
• M9: 8,050,011 km (0.063 R)
• M10: 8,749,531 km (0.09 R)
• M11: 10,883,095 km (0.048 R)
• M12: 11,520,532 km (0.078 R)
• M13: 12,048,313 km (0.11 R)
• M14: 12,963,852 km (0.114 R)
• M15: 14,933,308 km (0.093 R)
• M16: 16,480,599 km (0.103 R)
• M17: 18,250,192 km (0.117 R)
• M18: 18,666,673 km (0.051 R)
• M19: 23,188,119 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.5

Radius: 12.9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.52 AU - 3.28 AU

Year: 3409 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 117.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,977,826 km

• M1: 160,519 km (0.036 R)
• M2: 651,200 km (0.095 R)
• M3: 1,397,543 km (0.059 R)
• M4: 2,067,592 km (0.089 R)
• M5: 2,483,923 km (0.111 R)
• M6: 3,489,819 km (0.114 R)
• M7: 3,992,917 km (0.067 R)
• M8: 5,800,508 km (0.057 R)
• M9: 6,211,154 km (0.103 R)
• M10: 7,394,324 km (0.043 R)
• M11: 7,828,756 km (0.059 R)
• M12: 9,044,238 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.2

Radius: 8.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.03 AU - 4.29 AU

Year: 4833 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,977,826 km

• M1: 105,766 km (0.099 R)
• M2: 409,001 km (0.09 R)
• M3: 1,163,572 km (0.094 R)
• M4: 1,503,309 km (0.112 R)
• M5: 1,824,645 km (0.098 R)
• M6: 2,372,173 km (0.087 R)
• M7: 2,684,833 km (0.115 R)
• M8: 3,162,200 km (0.111 R)
• M9: 3,523,628 km (0.112 R)
• M10: 4,222,549 km (0.115 R)
• M11: 4,707,247 km (0.05 R)
• M12: 7,611,689 km (0.116 R)
• M13: 8,096,835 km (0.11 R)
• M14: 8,363,867 km (0.037 R)
• M15: 10,677,997 km (0.058 R)
• M16: 13,388,561 km (0.111 R)
• M17: 14,143,731 km (0.107 R)
• M18: 14,976,991 km (0.037 R)
• M19: 15,329,443 km (0.093 R)
• M20: 15,790,803 km (0.084 R)
• M21: 16,687,343 km (0.078 R)
• M22: 19,820,970 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 12

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.91 AU - 4.51 AU

Year: 4933 Days

Day: 12.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,977,826 km

• M1: 150,944 km (0.092 R)
• M2: 774,917 km (0.077 R)
• M3: 1,269,488 km (0.101 R)
• M4: 1,908,420 km (0.075 R)
• M5: 2,809,149 km (0.064 R)
• M6: 3,317,034 km (0.04 R)
• M7: 4,156,726 km (0.064 R)
• M8: 4,901,425 km (0.085 R)
• M9: 5,802,602 km (0.104 R)
• M10: 6,256,333 km (0.055 R)
• M11: 7,343,909 km (0.119 R)
• M12: 8,077,836 km (0.064 R)
• M13: 9,925,071 km (0.102 R)
• M14: 10,332,725 km (0.09 R)
• M15: 13,181,068 km (0.097 R)
• M16: 14,654,308 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 12.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.6 AU - 5.02 AU

Year: 6176 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,977,826 km

• M1: 157,975 km (0.11 R)
• M2: 765,941 km (0.097 R)
• M3: 1,269,188 km (0.104 R)
• M4: 2,126,085 km (0.056 R)
• M5: 2,755,593 km (0.116 R)
• M6: 3,703,894 km (0.11 R)
• M7: 4,291,215 km (0.097 R)
• M8: 4,805,233 km (0.107 R)
• M9: 5,623,534 km (0.104 R)
• M10: 7,180,099 km (0.069 R)
• M11: 7,647,144 km (0.117 R)
• M12: 8,484,294 km (0.03 R)
• M13: 9,297,358 km (0.082 R)
• M14: 10,984,822 km (0.083 R)
• M15: 13,777,066 km (0.102 R)
• M16: 15,016,036 km (0.115 R)
• M17: 15,962,990 km (0.071 R)
• M18: 16,389,494 km (0.057 R)
• M19: 18,570,930 km (0.077 R)
• M20: 20,152,329 km (0.093 R)
• M21: 20,722,895 km (0.115 R)
• M22: 21,598,941 km (0.086 R)
• M23: 22,046,089 km (0.05 R)
• M24: 24,779,242 km (0.066 R)
• M25: 27,382,095 km (0.057 R)
• M26: 29,518,652 km (0.104 R)
• M27: 31,192,502 km (0.113 R)
• M28: 31,860,307 km (0.041 R)
• M29: 32,830,749 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.2

Radius: 3.1

Gravity: 102.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.49 AU - 7.55 AU

Year: 12839 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,977,826 km

• M1: 71,358 km (0.088 R)
• M2: 182,360 km (0.104 R)
• M3: 498,161 km (0.092 R)
• M4: 639,232 km (0.077 R)
• M5: 944,711 km (0.109 R)
• M6: 1,073,963 km (0.118 R)
• M7: 1,550,133 km (0.059 R)
• M8: 1,730,548 km (0.077 R)
• M9: 1,943,426 km (0.075 R)
• M10: 2,193,254 km (0.11 R)
• M11: 2,529,550 km (0.093 R)
• M12: 3,491,913 km (0.061 R)
• M13: 3,687,288 km (0.103 R)
• M14: 3,860,672 km (0.113 R)
• M15: 4,317,544 km (0.059 R)
• M16: 5,597,354 km (0.081 R)
• M17: 6,719,338 km (0.116 R)
• M18: 7,653,427 km (0.101 R)
• M19: 8,670,693 km (0.096 R)
• M20: 11,267,263 km (0.114 R)
• M21: 12,513,862 km (0.049 R)
• M22: 14,057,562 km (0.061 R)
• M23: 15,648,685 km (0.071 R)
• M24: 15,799,031 km (0.103 R)
• M25: 16,102,565 km (0.104 R)
• M26: 17,842,089 km (0.089 R)
• M27: 19,615,572 km (0.098 R)
• M28: 19,878,116 km (0.093 R)
• M29: 20,861,124 km (0.053 R)
• M30: 21,226,292 km (0.071 R)
• M31: 29,686,201 km (0.08 R)
• M32: 35,292,681 km (0.105 R)
• M33: 38,890,958 km (0.063 R)
• M34: 41,420,958 km (0.102 R)
• M35: 44,058,518 km (0.098 R)
• M36: 52,302,557 km (0.118 R)
• M37: 56,255,082 km (0.067 R)
• M38: 58,033,951 km (0.082 R)
• M39: 58,574,897 km (0.047 R)
• M40: 60,586,838 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit