🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.83 AU

Year: 218 Days

Day: 38.5 Hours

Environment

Temp: 98 °C

Axial Tilt: 26.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,263,904 km

• M1: 197,320 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 283 Days

Day: 17.4 Hours

Environment

Temp: 78 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 62,263,904 km

• M1: 182,061 km (0.069 R)
• M2: 324,478 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.78 AU - 1.18 AU

Year: 369 Days

Day: 45.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.88 AU - 1.22 AU

Year: 410 Days

Day: 15.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 62,263,904 km

• M1: 264,639 km (0.082 R)
• M2: 369,956 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.41 AU - 2.21 AU

Year: 927 Days

Day: 22.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.15 AU - 3.25 AU

Year: 2180 Days

Day: 16.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 11.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.69 AU - 5.37 AU

Year: 3672 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 62,263,904 km

• M1: 218,862 km (0.096 R)
• M2: 300,841 km (0.088 R)
• M3: 406,457 km (0.104 R)
• M4: 688,300 km (0.119 R)
• M5: 1,094,608 km (0.119 R)
• M6: 1,178,831 km (0.028 R)
• M7: 1,265,299 km (0.105 R)
• M8: 1,841,699 km (0.049 R)
• M9: 1,966,165 km (0.067 R)
• M10: 2,117,109 km (0.118 R)
• M11: 2,442,933 km (0.085 R)
• M12: 2,849,989 km (0.025 R)
• M13: 3,088,448 km (0.083 R)
• M14: 3,251,061 km (0.046 R)
• M15: 3,585,113 km (0.074 R)
• M16: 3,670,234 km (0.07 R)
• M17: 3,828,359 km (0.07 R)
• M18: 4,301,238 km (0.101 R)
• M19: 4,483,299 km (0.082 R)
• M20: 5,140,931 km (0.117 R)
• M21: 5,728,701 km (0.075 R)
• M22: 5,862,292 km (0.042 R)
• M23: 5,946,366 km (0.078 R)
• M24: 6,064,548 km (0.101 R)
• M25: 6,234,940 km (0.036 R)
• M26: 6,338,013 km (0.095 R)
• M27: 6,424,181 km (0.074 R)
• M28: 7,182,194 km (0.118 R)
• M29: 7,617,673 km (0.094 R)
• M30: 8,061,680 km (0.104 R)
• M31: 8,286,824 km (0.112 R)
• M32: 8,495,065 km (0.115 R)
• M33: 8,647,655 km (0.115 R)
• M34: 9,267,139 km (0.102 R)
• M35: 9,960,974 km (0.112 R)
• M36: 10,365,038 km (0.106 R)
• M37: 10,466,914 km (0.035 R)
• M38: 10,569,090 km (0.06 R)
• M39: 10,774,487 km (0.119 R)
• M40: 10,857,065 km (0.07 R)
• M41: 11,126,641 km (0.089 R)
• M42: 11,503,777 km (0.075 R)
• M43: 11,906,345 km (0.107 R)
• M44: 12,034,550 km (0.116 R)
• M45: 12,163,055 km (0.117 R)
• M46: 12,638,477 km (0.113 R)
• M47: 12,966,096 km (0.088 R)
• M48: 13,207,996 km (0.118 R)
• M49: 13,318,549 km (0.061 R)
• M50: 13,607,422 km (0.047 R)
• M51: 13,763,752 km (0.115 R)
• M52: 14,531,638 km (0.049 R)
• M53: 14,668,670 km (0.083 R)
• M54: 14,783,112 km (0.114 R)
• M55: 15,267,211 km (0.06 R)
• M56: 15,383,149 km (0.11 R)
• M57: 15,522,873 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 8.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.59 AU - 5.57 AU

Year: 3732 Days

Day: 5.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 133.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 62,263,904 km

• M1: 104,419 km (0.111 R)
• M2: 165,754 km (0.036 R)
• M3: 228,286 km (0.034 R)
• M4: 293,062 km (0.115 R)
• M5: 433,535 km (0.119 R)
• M6: 485,894 km (0.066 R)
• M7: 540,647 km (0.091 R)
• M8: 597,943 km (0.065 R)
• M9: 711,188 km (0.084 R)
• M10: 790,924 km (0.113 R)
• M11: 933,790 km (0.089 R)
• M12: 1,004,101 km (0.081 R)
• M13: 1,178,382 km (0.1 R)
• M14: 1,293,722 km (0.059 R)
• M15: 1,587,981 km (0.117 R)
• M16: 1,672,803 km (0.106 R)
• M17: 1,814,173 km (0.047 R)
• M18: 2,553,486 km (0.082 R)
• M19: 2,806,157 km (0.09 R)
• M20: 2,909,529 km (0.119 R)
• M21: 3,040,427 km (0.117 R)
• M22: 3,120,013 km (0.118 R)
• M23: 3,308,357 km (0.111 R)
• M24: 3,555,941 km (0.098 R)
• M25: 3,838,233 km (0.08 R)
• M26: 3,967,635 km (0.076 R)
• M27: 4,245,588 km (0.115 R)
• M28: 4,409,397 km (0.086 R)
• M29: 4,805,084 km (0.073 R)
• M30: 5,069,872 km (0.113 R)
• M31: 5,275,719 km (0.086 R)
• M32: 5,484,258 km (0.072 R)
• M33: 5,548,884 km (0.073 R)
• M34: 5,630,116 km (0.114 R)
• M35: 5,959,231 km (0.087 R)
• M36: 6,176,447 km (0.072 R)
• M37: 6,328,289 km (0.096 R)
• M38: 6,704,977 km (0.084 R)
• M39: 6,861,157 km (0.105 R)
• M40: 7,036,037 km (0.119 R)
• M41: 7,336,878 km (0.087 R)
• M42: 7,390,434 km (0.096 R)
• M43: 7,533,749 km (0.12 R)
• M44: 7,641,908 km (0.109 R)
• M45: 8,079,631 km (0.063 R)
• M46: 8,394,685 km (0.071 R)
• M47: 8,488,034 km (0.076 R)
• M48: 8,675,929 km (0.112 R)
• M49: 8,808,323 km (0.061 R)
• M50: 8,865,170 km (0.118 R)
• M51: 9,094,204 km (0.116 R)
• M52: 9,325,034 km (0.101 R)
• M53: 9,792,677 km (0.063 R)
• M54: 9,871,365 km (0.102 R)
• M55: 9,930,456 km (0.117 R)
• M56: 10,247,903 km (0.073 R)
• M57: 10,327,788 km (0.092 R)
• M58: 10,669,619 km (0.107 R)
• M59: 10,750,701 km (0.099 R)
• M60: 11,343,857 km (0.025 R)
• M61: 11,863,710 km (0.094 R)
• M62: 11,968,727 km (0.106 R)
• M63: 13,013,220 km (0.109 R)
• M64: 13,143,071 km (0.067 R)
• M65: 13,557,307 km (0.062 R)
• M66: 13,799,057 km (0.119 R)
• M67: 14,220,026 km (0.078 R)
• M68: 14,443,375 km (0.118 R)
• M69: 14,510,545 km (0.089 R)
• M70: 14,870,776 km (0.111 R)
• M71: 15,074,678 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.8

Radius: 4.4

Gravity: 29.38 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 12.12 AU - 12.3 AU

Year: 16247 Days

Day: 20.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 62,263,904 km

• M1: 83,625 km (0.082 R)
• M2: 126,560 km (0.107 R)
• M3: 157,826 km (0.112 R)
• M4: 668,403 km (0.109 R)
• M5: 813,812 km (0.087 R)
• M6: 923,617 km (0.109 R)
• M7: 1,542,204 km (0.116 R)
• M8: 1,905,129 km (0.094 R)
• M9: 2,324,302 km (0.12 R)
• M10: 2,449,216 km (0.076 R)
• M11: 3,038,183 km (0.107 R)
• M12: 3,383,455 km (0.106 R)
• M13: 3,454,065 km (0.09 R)
• M14: 3,961,651 km (0.118 R)
• M15: 4,073,550 km (0.119 R)
• M16: 4,224,195 km (0.054 R)
• M17: 4,765,889 km (0.107 R)
• M18: 6,694,056 km (0.107 R)
• M19: 6,782,767 km (0.082 R)
• M20: 7,051,296 km (0.069 R)
• M21: 8,397,377 km (0.056 R)
• M22: 8,733,972 km (0.083 R)
• M23: 9,173,192 km (0.109 R)
• M24: 9,370,661 km (0.039 R)
• M25: 9,420,328 km (0.111 R)
• M26: 11,421,498 km (0.084 R)
• M27: 12,008,969 km (0.1 R)
• M28: 12,224,988 km (0.077 R)
• M29: 12,333,447 km (0.096 R)
• M30: 12,496,808 km (0.051 R)
• M31: 12,991,229 km (0.064 R)
• M32: 13,212,933 km (0.095 R)
• M33: 15,381,204 km (0.081 R)
• M34: 15,910,781 km (0.073 R)
• M35: 15,969,872 km (0.093 R)
• M36: 16,088,503 km (0.12 R)
• M37: 16,266,973 km (0.082 R)
• M38: 19,147,630 km (0.041 R)
• M39: 19,589,841 km (0.042 R)
• M40: 20,355,932 km (0.059 R)
• M41: 22,313,420 km (0.049 R)
• M42: 22,712,098 km (0.106 R)
• M43: 23,247,360 km (0.059 R)
• M44: 24,809,012 km (0.083 R)
• M45: 24,877,677 km (0.07 R)
• M46: 25,845,575 km (0.083 R)
• M47: 26,054,713 km (0.118 R)
• M48: 26,334,162 km (0.077 R)
• M49: 26,474,335 km (0.046 R)
• M50: 28,175,562 km (0.12 R)
• M51: 28,318,877 km (0.076 R)
• M52: 28,894,679 km (0.097 R)
• M53: 29,256,556 km (0.12 R)
• M54: 29,329,111 km (0.081 R)
• M55: 29,765,638 km (0.109 R)
• M56: 30,057,952 km (0.106 R)
• M57: 30,792,627 km (0.069 R)
• M58: 31,088,233 km (0.118 R)
• M59: 31,384,736 km (0.089 R)
• M60: 31,682,136 km (0.114 R)
• M61: 32,730,518 km (0.095 R)
• M62: 32,881,163 km (0.088 R)
• M63: 33,562,133 km (0.086 R)
• M64: 34,553,967 km (0.115 R)
• M65: 35,710,358 km (0.104 R)
• M66: 35,943,132 km (0.073 R)
• M67: 37,114,633 km (0.096 R)
• M68: 37,429,088 km (0.117 R)
• M69: 37,902,565 km (0.104 R)
• M70: 38,219,264 km (0.1 R)
• M71: 39,254,631 km (0.054 R)
• M72: 41,190,278 km (0.074 R)
• M73: 42,580,042 km (0.093 R)
• M74: 43,074,164 km (0.084 R)
• M75: 43,321,898 km (0.062 R)
• M76: 43,404,625 km (0.111 R)
• M77: 44,484,572 km (0.095 R)
• M78: 47,350,419 km (0.106 R)
• M79: 47,947,913 km (0.088 R)
• M80: 48,119,053 km (0.118 R)
• M81: 48,805,707 km (0.089 R)
• M82: 49,322,717 km (0.115 R)
• M83: 51,146,764 km (0.116 R)
• M84: 51,496,823 km (0.106 R)
• M85: 51,759,816 km (0.101 R)
• M86: 53,701,896 km (0.086 R)
• M87: 55,398,335 km (0.076 R)
• M88: 55,937,636 km (0.114 R)
• M89: 58,294,849 km (0.118 R)
• M90: 61,425,933 km (0.064 R)
• M91: 61,518,833 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 13,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit