🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.48 AU - 0.54 AU

Year: 137 Days

Day: 41.3 Hours

Environment

Temp: 222 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.62 AU - 0.84 AU

Year: 235 Days

Day: 14.2 Hours

Environment

Temp: 118 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.86 AU - 1.42 AU

Year: 459 Days

Day: 13.5 Hours

Environment

Temp: -11 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.24 AU - 1.62 AU

Year: 644 Days

Day: 15.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.51 AU - 2.69 AU

Year: 1579 Days

Day: 45.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.09 AU - 4.37 AU

Year: 2714 Days

Day: 13.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,989,743 km

• M1: 1,603,240 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 13.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.36 AU - 4.98 AU

Year: 3802 Days

Day: 9.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 70,989,743 km

• M1: 173,534 km (0.119 R)
• M2: 356,342 km (0.057 R)
• M3: 444,904 km (0.064 R)
• M4: 579,692 km (0.041 R)
• M5: 792,270 km (0.061 R)
• M6: 931,247 km (0.105 R)
• M7: 1,150,557 km (0.054 R)
• M8: 1,248,245 km (0.032 R)
• M9: 1,336,208 km (0.099 R)
• M10: 2,013,288 km (0.093 R)
• M11: 2,178,893 km (0.036 R)
• M12: 2,428,273 km (0.107 R)
• M13: 2,904,143 km (0.114 R)
• M14: 3,179,404 km (0.075 R)
• M15: 3,463,490 km (0.099 R)
• M16: 3,608,600 km (0.108 R)
• M17: 3,755,804 km (0.11 R)
• M18: 3,886,403 km (0.12 R)
• M19: 3,999,499 km (0.114 R)
• M20: 4,522,194 km (0.099 R)
• M21: 4,661,320 km (0.094 R)
• M22: 5,046,086 km (0.099 R)
• M23: 5,232,036 km (0.086 R)
• M24: 5,504,753 km (0.045 R)
• M25: 5,653,603 km (0.085 R)
• M26: 5,977,033 km (0.059 R)
• M27: 6,196,045 km (0.026 R)
• M28: 6,551,938 km (0.09 R)
• M29: 6,732,503 km (0.098 R)
• M30: 6,823,458 km (0.092 R)
• M31: 6,960,490 km (0.032 R)
• M32: 7,052,492 km (0.118 R)
• M33: 7,144,794 km (0.104 R)
• M34: 7,541,827 km (0.095 R)
• M35: 7,826,362 km (0.088 R)
• M36: 7,970,126 km (0.087 R)
• M37: 8,162,957 km (0.1 R)
• M38: 8,381,819 km (0.117 R)
• M39: 8,602,775 km (0.057 R)
• M40: 8,825,526 km (0.116 R)
• M41: 9,100,487 km (0.11 R)
• M42: 9,201,167 km (0.113 R)
• M43: 9,352,859 km (0.108 R)
• M44: 9,813,172 km (0.065 R)
• M45: 9,916,394 km (0.109 R)
• M46: 10,202,425 km (0.077 R)
• M47: 10,889,079 km (0.097 R)
• M48: 11,454,709 km (0.057 R)
• M49: 11,837,081 km (0.101 R)
• M50: 12,085,114 km (0.098 R)
• M51: 12,755,163 km (0.106 R)
• M52: 12,867,960 km (0.112 R)
• M53: 13,009,480 km (0.08 R)
• M54: 13,265,591 km (0.064 R)
• M55: 13,609,517 km (0.11 R)
• M56: 14,335,814 km (0.101 R)
• M57: 14,423,778 km (0.101 R)
• M58: 14,688,865 km (0.084 R)
• M59: 15,283,666 km (0.045 R)
• M60: 16,313,049 km (0.117 R)
• M61: 16,620,174 km (0.116 R)
• M62: 17,364,872 km (0.063 R)
• M63: 17,490,085 km (0.09 R)
• M64: 17,647,014 km (0.114 R)
• M65: 17,741,260 km (0.112 R)
• M66: 19,371,279 km (0.103 R)
• M67: 19,761,729 km (0.094 R)
• M68: 20,089,049 km (0.066 R)
• M69: 20,352,342 km (0.114 R)
• M70: 20,583,620 km (0.103 R)
• M71: 20,849,006 km (0.101 R)
• M72: 21,820,345 km (0.08 R)
• M73: 21,989,391 km (0.102 R)
• M74: 22,158,736 km (0.106 R)
• M75: 22,635,504 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158

Radius: 15

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.26 AU - 8.46 AU

Year: 7522 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 70,989,743 km

• M1: 195,076 km (0.084 R)
• M2: 440,267 km (0.083 R)
• M3: 604,974 km (0.066 R)
• M4: 742,753 km (0.055 R)
• M5: 972,536 km (0.09 R)
• M6: 1,078,750 km (0.062 R)
• M7: 1,356,853 km (0.066 R)
• M8: 2,090,780 km (0.102 R)
• M9: 3,496,551 km (0.074 R)
• M10: 3,857,381 km (0.094 R)
• M11: 4,230,628 km (0.116 R)
• M12: 4,677,477 km (0.077 R)
• M13: 5,376,248 km (0.111 R)
• M14: 5,506,997 km (0.109 R)
• M15: 5,771,486 km (0.11 R)
• M16: 6,244,514 km (0.112 R)
• M17: 6,359,106 km (0.116 R)
• M18: 6,497,484 km (0.045 R)
• M19: 6,613,572 km (0.083 R)
• M20: 7,013,447 km (0.03 R)
• M21: 7,348,696 km (0.109 R)
• M22: 7,861,667 km (0.117 R)
• M23: 8,999,808 km (0.069 R)
• M24: 9,787,291 km (0.105 R)
• M25: 10,542,162 km (0.083 R)
• M26: 10,761,323 km (0.055 R)
• M27: 11,009,655 km (0.065 R)
• M28: 11,794,595 km (0.051 R)
• M29: 12,337,486 km (0.038 R)
• M30: 13,093,853 km (0.066 R)
• M31: 13,447,951 km (0.072 R)
• M32: 14,712,352 km (0.115 R)
• M33: 15,204,080 km (0.109 R)
• M34: 16,203,544 km (0.072 R)
• M35: 16,615,835 km (0.043 R)
• M36: 18,496,730 km (0.071 R)
• M37: 18,761,368 km (0.094 R)
• M38: 18,927,422 km (0.085 R)
• M39: 19,094,074 km (0.104 R)
• M40: 19,630,382 km (0.113 R)
• M41: 19,731,510 km (0.068 R)
• M42: 19,832,788 km (0.059 R)
• M43: 20,307,911 km (0.089 R)
• M44: 21,096,441 km (0.055 R)
• M45: 22,703,571 km (0.06 R)
• M46: 23,093,722 km (0.085 R)
• M47: 23,307,498 km (0.118 R)
• M48: 23,629,283 km (0.105 R)
• M49: 24,169,032 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.1

Radius: 4.5

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 16.95 AU - 20.59 AU

Year: 30635 Days

Day: 23.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 70,989,743 km

• M1: 58,194 km (0.105 R)
• M2: 241,750 km (0.096 R)
• M3: 801,994 km (0.108 R)
• M4: 1,177,634 km (0.093 R)
• M5: 1,483,861 km (0.112 R)
• M6: 1,782,907 km (0.051 R)
• M7: 2,035,429 km (0.088 R)
• M8: 2,400,747 km (0.115 R)
• M9: 2,435,005 km (0.037 R)
• M10: 2,679,148 km (0.108 R)
• M11: 3,342,465 km (0.115 R)
• M12: 3,380,762 km (0.113 R)
• M13: 4,896,937 km (0.071 R)
• M14: 4,984,152 km (0.084 R)
• M15: 5,248,791 km (0.091 R)
• M16: 5,338,101 km (0.108 R)
• M17: 6,882,250 km (0.113 R)
• M18: 7,880,217 km (0.085 R)
• M19: 8,136,778 km (0.091 R)
• M20: 8,292,060 km (0.092 R)
• M21: 9,082,835 km (0.085 R)
• M22: 10,341,252 km (0.039 R)
• M23: 11,479,243 km (0.119 R)
• M24: 11,537,137 km (0.101 R)
• M25: 12,477,360 km (0.049 R)
• M26: 14,180,831 km (0.062 R)
• M27: 14,243,064 km (0.065 R)
• M28: 14,430,061 km (0.057 R)
• M29: 15,313,885 km (0.107 R)
• M30: 15,569,548 km (0.085 R)
• M31: 16,085,212 km (0.042 R)
• M32: 16,475,662 km (0.098 R)
• M33: 17,866,474 km (0.106 R)
• M34: 18,814,475 km (0.101 R)
• M35: 19,225,720 km (0.117 R)
• M36: 19,501,578 km (0.097 R)
• M37: 20,196,909 km (0.034 R)
• M38: 23,645,290 km (0.115 R)
• M39: 24,610,047 km (0.102 R)
• M40: 24,759,644 km (0.1 R)
• M41: 25,967,049 km (0.076 R)
• M42: 26,348,224 km (0.119 R)
• M43: 26,884,981 km (0.076 R)
• M44: 27,735,894 km (0.117 R)
• M45: 28,203,687 km (0.05 R)
• M46: 31,388,476 km (0.031 R)
• M47: 31,713,103 km (0.092 R)
• M48: 31,957,396 km (0.107 R)
• M49: 33,353,294 km (0.075 R)
• M50: 33,436,022 km (0.117 R)
• M51: 36,459,245 km (0.111 R)
• M52: 36,629,787 km (0.079 R)
• M53: 37,744,440 km (0.077 R)
• M54: 38,176,180 km (0.106 R)
• M55: 38,609,565 km (0.074 R)
• M56: 38,957,380 km (0.1 R)
• M57: 40,447,225 km (0.103 R)
• M58: 40,535,488 km (0.1 R)
• M59: 40,977,550 km (0.077 R)
• M60: 41,421,257 km (0.12 R)
• M61: 41,688,289 km (0.071 R)
• M62: 41,866,460 km (0.091 R)
• M63: 42,402,918 km (0.068 R)
• M64: 42,582,286 km (0.069 R)
• M65: 42,672,045 km (0.12 R)
• M66: 42,851,712 km (0.092 R)
• M67: 44,207,368 km (0.045 R)
• M68: 45,668,789 km (0.079 R)
• M69: 46,775,365 km (0.076 R)
• M70: 49,957,910 km (0.061 R)
• M71: 50,052,605 km (0.03 R)
• M72: 51,766,698 km (0.109 R)
• M73: 52,150,267 km (0.079 R)
• M74: 52,342,350 km (0.084 R)
• M75: 53,499,939 km (0.079 R)
• M76: 53,693,668 km (0.068 R)
• M77: 54,373,590 km (0.119 R)
• M78: 55,643,975 km (0.111 R)
• M79: 55,840,397 km (0.104 R)
• M80: 58,014,952 km (0.116 R)
• M81: 59,212,632 km (0.099 R)
• M82: 59,312,863 km (0.109 R)
• M83: 59,714,084 km (0.104 R)
• M84: 60,418,541 km (0.114 R)
• M85: 62,650,242 km (0.107 R)
• M86: 62,854,443 km (0.103 R)
• M87: 63,161,268 km (0.072 R)
• M88: 63,263,593 km (0.099 R)
• M89: 63,981,663 km (0.046 R)
• M90: 64,290,283 km (0.086 R)
• M91: 64,393,207 km (0.103 R)
• M92: 64,702,425 km (0.076 R)
• M93: 65,633,074 km (0.109 R)
• M94: 66,672,330 km (0.074 R)
• M95: 68,661,832 km (0.105 R)
• M96: 69,188,566 km (0.096 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: 402 - 15,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit