🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.53 AU - 0.55 AU

Year: 143 Days

Day: 38.3 Hours

Environment

Temp: 246 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.78 AU - 0.9 AU

Year: 277 Days

Day: 46.6 Hours

Environment

Temp: 104 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.95 AU - 1.19 AU

Year: 398 Days

Day: 46.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 46.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,010,028 km

• M1: 356,043 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.08 AU - 1.22 AU

Year: 444 Days

Day: 37.4 Hours

Environment

Temp: 22 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 60,010,028 km

• M1: 351,854 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.22 AU - 1.26 AU

Year: 497 Days

Day: 44 Hours

Environment

Temp: 6 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.57 AU - 4.05 AU

Year: 2676 Days

Day: 16.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,010,028 km

• M1: 103,671 km (0.028 R)
• M2: 912,397 km (0.072 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.93 AU - 5.97 AU

Year: 3964 Days

Day: 47.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,010,028 km

• M1: 280,197 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673

Radius: 14.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.34 AU - 6.5 AU

Year: 5854 Days

Day: 14.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 60,010,028 km

• M1: 212,429 km (0.085 R)
• M2: 647,310 km (0.071 R)
• M3: 892,650 km (0.087 R)
• M4: 1,079,498 km (0.116 R)
• M5: 1,264,401 km (0.102 R)
• M6: 1,562,550 km (0.077 R)
• M7: 1,684,921 km (0.105 R)
• M8: 1,977,385 km (0.087 R)
• M9: 2,188,168 km (0.117 R)
• M10: 2,386,535 km (0.119 R)
• M11: 3,083,811 km (0.071 R)
• M12: 3,307,310 km (0.099 R)
• M13: 3,536,344 km (0.066 R)
• M14: 3,676,368 km (0.052 R)
• M15: 3,818,186 km (0.06 R)
• M16: 4,354,345 km (0.086 R)
• M17: 5,045,039 km (0.106 R)
• M18: 5,497,572 km (0.067 R)
• M19: 5,687,861 km (0.086 R)
• M20: 5,825,191 km (0.073 R)
• M21: 5,991,245 km (0.041 R)
• M22: 6,271,891 km (0.117 R)
• M23: 6,729,660 km (0.096 R)
• M24: 7,377,120 km (0.104 R)
• M25: 7,769,216 km (0.072 R)
• M26: 8,699,864 km (0.083 R)
• M27: 9,082,087 km (0.045 R)
• M28: 9,404,919 km (0.075 R)
• M29: 9,535,069 km (0.096 R)
• M30: 9,995,382 km (0.091 R)
• M31: 10,194,945 km (0.066 R)
• M32: 10,429,515 km (0.073 R)
• M33: 10,665,730 km (0.04 R)
• M34: 10,835,673 km (0.095 R)
• M35: 12,156,024 km (0.108 R)
• M36: 12,979,859 km (0.107 R)
• M37: 13,197,823 km (0.116 R)
• M38: 13,380,333 km (0.077 R)
• M39: 14,007,148 km (0.077 R)
• M40: 14,568,289 km (0.11 R)
• M41: 14,832,629 km (0.117 R)
• M42: 14,984,471 km (0.078 R)
• M43: 15,251,353 km (0.103 R)
• M44: 15,828,652 km (0.056 R)
• M45: 15,983,784 km (0.111 R)
• M46: 16,727,585 km (0.11 R)
• M47: 17,203,306 km (0.057 R)
• M48: 17,603,181 km (0.115 R)
• M49: 18,249,295 km (0.075 R)
• M50: 18,493,588 km (0.083 R)
• M51: 18,697,939 km (0.054 R)
• M52: 18,862,048 km (0.067 R)
• M53: 19,191,612 km (0.088 R)
• M54: 19,689,623 km (0.107 R)
• M55: 19,814,836 km (0.116 R)
• M56: 20,191,973 km (0.035 R)
• M57: 20,486,830 km (0.059 R)
• M58: 20,783,333 km (0.094 R)
• M59: 21,380,378 km (0.093 R)
• M60: 21,939,874 km (0.102 R)
• M61: 22,416,942 km (0.073 R)
• M62: 23,029,246 km (0.11 R)
• M63: 24,002,679 km (0.079 R)
• M64: 24,494,258 km (0.101 R)
• M65: 25,624,170 km (0.113 R)
• M66: 26,863,589 km (0.064 R)
• M67: 29,782,842 km (0.064 R)
• M68: 29,974,626 km (0.098 R)
• M69: 31,231,248 km (0.035 R)
• M70: 32,307,904 km (0.09 R)
• M71: 32,751,911 km (0.029 R)
• M72: 32,949,978 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.6

Radius: 5.9

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 11.31 AU - 16.51 AU

Year: 18671 Days

Day: 16 Hours

Environment

Temp: -183 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 60,010,028 km

• M1: 88,562 km (0.072 R)
• M2: 255,812 km (0.08 R)
• M3: 324,627 km (0.032 R)
• M4: 867,668 km (0.096 R)
• M5: 1,021,155 km (0.036 R)
• M6: 1,089,671 km (0.111 R)
• M7: 1,159,683 km (0.113 R)
• M8: 1,231,340 km (0.091 R)
• M9: 1,455,138 km (0.093 R)
• M10: 1,718,730 km (0.12 R)
• M11: 1,800,710 km (0.069 R)
• M12: 1,968,708 km (0.099 R)
• M13: 2,380,401 km (0.119 R)
• M14: 2,441,288 km (0.066 R)
• M15: 2,564,855 km (0.084 R)
• M16: 3,046,411 km (0.114 R)
• M17: 3,280,532 km (0.093 R)
• M18: 3,382,707 km (0.111 R)
• M19: 3,590,199 km (0.079 R)
• M20: 3,873,388 km (0.11 R)
• M21: 4,200,559 km (0.118 R)
• M22: 4,423,609 km (0.093 R)
• M23: 5,923,926 km (0.107 R)
• M24: 5,965,365 km (0.106 R)
• M25: 6,132,166 km (0.078 R)
• M26: 6,258,128 km (0.031 R)
• M27: 7,120,410 km (0.108 R)
• M28: 7,297,384 km (0.081 R)
• M29: 7,386,395 km (0.092 R)
• M30: 8,389,000 km (0.107 R)
• M31: 9,385,322 km (0.078 R)
• M32: 10,318,513 km (0.096 R)
• M33: 10,872,175 km (0.044 R)
• M34: 11,024,914 km (0.054 R)
• M35: 12,113,538 km (0.065 R)
• M36: 13,453,636 km (0.081 R)
• M37: 13,508,239 km (0.058 R)
• M38: 14,002,660 km (0.107 R)
• M39: 14,113,362 km (0.084 R)
• M40: 14,280,014 km (0.034 R)
• M41: 14,335,665 km (0.094 R)
• M42: 14,447,265 km (0.04 R)
• M43: 14,559,164 km (0.081 R)
• M44: 14,952,906 km (0.085 R)
• M45: 16,329,356 km (0.12 R)
• M46: 18,226,705 km (0.109 R)
• M47: 21,010,423 km (0.083 R)
• M48: 22,031,578 km (0.114 R)
• M49: 22,224,858 km (0.057 R)
• M50: 22,354,111 km (0.101 R)
• M51: 22,743,065 km (0.062 R)
• M52: 24,654,477 km (0.088 R)
• M53: 24,855,088 km (0.119 R)
• M54: 25,056,297 km (0.059 R)
• M55: 25,190,785 km (0.098 R)
• M56: 27,929,474 km (0.113 R)
• M57: 28,980,548 km (0.047 R)
• M58: 29,333,749 km (0.12 R)
• M59: 30,258,862 km (0.111 R)
• M60: 31,338,061 km (0.05 R)
• M61: 31,410,467 km (0.111 R)
• M62: 32,356,823 km (0.119 R)
• M63: 32,723,188 km (0.034 R)
• M64: 33,238,552 km (0.106 R)
• M65: 34,575,957 km (0.097 R)
• M66: 34,650,756 km (0.068 R)
• M67: 36,386,391 km (0.099 R)
• M68: 36,691,122 km (0.038 R)
• M69: 37,379,870 km (0.076 R)
• M70: 37,456,614 km (0.119 R)
• M71: 37,533,507 km (0.061 R)
• M72: 37,687,294 km (0.065 R)
• M73: 37,764,337 km (0.07 R)
• M74: 40,413,266 km (0.046 R)
• M75: 41,441,752 km (0.102 R)
• M76: 41,521,338 km (0.076 R)
• M77: 43,524,603 km (0.108 R)
• M78: 43,686,318 km (0.081 R)
• M79: 45,313,494 km (0.1 R)
• M80: 45,395,474 km (0.087 R)
• M81: 46,052,209 km (0.086 R)
• M82: 47,375,402 km (0.112 R)
• M83: 48,459,537 km (0.111 R)
• M84: 48,543,312 km (0.046 R)
• M85: 49,046,709 km (0.077 R)
• M86: 50,058,739 km (0.056 R)
• M87: 51,248,191 km (0.087 R)
• M88: 52,532,938 km (0.101 R)
• M89: 52,704,975 km (0.117 R)
• M90: 56,098,005 km (0.077 R)
• M91: 57,333,234 km (0.1 R)
• M92: 58,131,937 km (0.099 R)
• M93: 59,920,081 km (0.104 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 12,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit