🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.56 AU - 0.6 AU

Year: 169 Days

Day: 36.6 Hours

Environment

Temp: 127 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,658,731 km

• M1: 235,916 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.01 AU - 1.05 AU

Year: 400 Days

Day: 31.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,658,731 km

• M1: 244,144 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1 AU - 1.46 AU

Year: 522 Days

Day: 29.1 Hours

Environment

Temp: -24 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,658,731 km

• M1: 131,497 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.34 AU - 1.8 AU

Year: 753 Days

Day: 26.2 Hours

Environment

Temp: -61 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.5 AU - 2.16 AU

Year: 948 Days

Day: 39.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.07 AU - 2.23 AU

Year: 1207 Days

Day: 18.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.88 AU - 2.84 AU

Year: 1388 Days

Day: 44.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.1

Radius: 4.3

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.57 AU - 14.39 AU

Year: 17905 Days

Day: 17.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 54,658,731 km

• M1: 58,642 km (0.091 R)
• M2: 103,073 km (0.094 R)
• M3: 296,952 km (0.076 R)
• M4: 571,314 km (0.118 R)
• M5: 645,216 km (0.092 R)
• M6: 802,593 km (0.082 R)
• M7: 1,367,624 km (0.098 R)
• M8: 1,595,461 km (0.082 R)
• M9: 1,700,629 km (0.085 R)
• M10: 1,862,493 km (0.075 R)
• M11: 1,945,371 km (0.082 R)
• M12: 2,201,183 km (0.062 R)
• M13: 2,347,939 km (0.103 R)
• M14: 2,558,722 km (0.083 R)
• M15: 3,427,437 km (0.075 R)
• M16: 4,378,281 km (0.12 R)
• M17: 4,451,733 km (0.097 R)
• M18: 4,939,572 km (0.106 R)
• M19: 4,977,720 km (0.11 R)
• M20: 5,483,510 km (0.032 R)
• M21: 6,251,845 km (0.097 R)
• M22: 7,753,059 km (0.114 R)
• M23: 9,692,147 km (0.12 R)
• M24: 10,174,750 km (0.109 R)
• M25: 10,517,329 km (0.064 R)
• M26: 10,963,280 km (0.116 R)
• M27: 11,013,096 km (0.108 R)
• M28: 12,965,797 km (0.097 R)
• M29: 13,071,413 km (0.096 R)
• M30: 14,035,571 km (0.096 R)
• M31: 14,526,103 km (0.061 R)
• M32: 14,745,862 km (0.063 R)
• M33: 15,133,321 km (0.033 R)
• M34: 15,861,563 km (0.04 R)
• M35: 16,144,602 km (0.028 R)
• M36: 16,543,879 km (0.065 R)
• M37: 16,888,552 km (0.107 R)
• M38: 17,293,813 km (0.113 R)
• M39: 18,826,593 km (0.12 R)
• M40: 20,095,931 km (0.068 R)
• M41: 20,710,180 km (0.034 R)
• M42: 23,871,931 km (0.098 R)
• M43: 25,309,865 km (0.094 R)
• M44: 25,508,232 km (0.055 R)
• M45: 25,574,354 km (0.117 R)
• M46: 25,706,898 km (0.104 R)
• M47: 27,045,201 km (0.081 R)
• M48: 27,112,669 km (0.108 R)
• M49: 29,025,577 km (0.096 R)
• M50: 31,406,128 km (0.069 R)
• M51: 31,690,364 km (0.094 R)
• M52: 32,332,737 km (0.089 R)
• M53: 32,907,492 km (0.059 R)
• M54: 33,340,728 km (0.049 R)
• M55: 34,358,891 km (0.105 R)
• M56: 35,313,475 km (0.072 R)
• M57: 35,535,029 km (0.068 R)
• M58: 36,873,930 km (0.083 R)
• M59: 38,304,984 km (0.101 R)
• M60: 38,532,522 km (0.083 R)
• M61: 39,524,057 km (0.114 R)
• M62: 40,369,584 km (0.109 R)
• M63: 40,523,969 km (0.08 R)
• M64: 40,833,188 km (0.086 R)
• M65: 41,298,736 km (0.1 R)
• M66: 41,376,527 km (0.057 R)
• M67: 41,532,109 km (0.097 R)
• M68: 42,000,201 km (0.03 R)
• M69: 42,156,680 km (0.11 R)
• M70: 42,313,309 km (0.084 R)
• M71: 42,391,549 km (0.099 R)
• M72: 42,548,477 km (0.103 R)
• M73: 43,178,134 km (0.095 R)
• M74: 43,652,210 km (0.088 R)
• M75: 44,925,138 km (0.093 R)
• M76: 45,005,173 km (0.105 R)
• M77: 45,566,165 km (0.1 R)
• M78: 45,968,284 km (0.108 R)
• M79: 46,210,184 km (0.093 R)
• M80: 47,100,740 km (0.117 R)
• M81: 47,670,259 km (0.037 R)
• M82: 49,227,872 km (0.066 R)
• M83: 49,310,301 km (0.049 R)
• M84: 49,475,307 km (0.089 R)
• M85: 49,971,374 km (0.049 R)
• M86: 50,386,208 km (0.104 R)
• M87: 51,386,121 km (0.087 R)
• M88: 53,067,301 km (0.093 R)
• M89: 53,151,824 km (0.118 R)
• M90: 54,084,567 km (0.096 R)
• M91: 54,169,688 km (0.102 R)
• M92: 54,937,275 km (0.119 R)
• M93: 55,450,994 km (0.111 R)
• M94: 56,138,396 km (0.058 R)
• M95: 56,915,108 km (0.079 R)
• M96: 57,348,194 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.3

Radius: 4.1

Gravity: 18.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 11.67 AU - 14.67 AU

Year: 18300 Days

Day: 21.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 109.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 54,658,731 km

• M1: 105,616 km (0.111 R)
• M2: 131,945 km (0.036 R)
• M3: 1,105,977 km (0.098 R)
• M4: 1,286,691 km (0.119 R)
• M5: 1,356,703 km (0.102 R)
• M6: 1,726,359 km (0.041 R)
• M7: 1,777,821 km (0.107 R)
• M8: 2,097,811 km (0.062 R)
• M9: 2,292,737 km (0.061 R)
• M10: 3,351,142 km (0.084 R)
• M11: 3,383,305 km (0.079 R)
• M12: 3,710,925 km (0.061 R)
• M13: 3,777,795 km (0.048 R)
• M14: 4,537,902 km (0.104 R)
• M15: 4,717,120 km (0.043 R)
• M16: 4,898,732 km (0.05 R)
• M17: 5,193,888 km (0.095 R)
• M18: 5,231,288 km (0.115 R)
• M19: 5,343,636 km (0.047 R)
• M20: 5,685,916 km (0.102 R)
• M21: 6,431,362 km (0.106 R)
• M22: 6,877,014 km (0.119 R)
• M23: 7,500,388 km (0.049 R)
• M24: 8,889,704 km (0.104 R)
• M25: 9,113,801 km (0.092 R)
• M26: 10,215,291 km (0.119 R)
• M27: 10,591,828 km (0.112 R)
• M28: 10,924,833 km (0.064 R)
• M29: 11,846,207 km (0.073 R)
• M30: 12,540,939 km (0.062 R)
• M31: 12,943,806 km (0.069 R)
• M32: 13,146,810 km (0.032 R)
• M33: 13,504,798 km (0.081 R)
• M34: 13,607,572 km (0.102 R)
• M35: 15,772,104 km (0.093 R)
• M36: 16,152,232 km (0.059 R)
• M37: 16,316,041 km (0.082 R)
• M38: 17,087,966 km (0.081 R)
• M39: 17,534,217 km (0.112 R)
• M40: 19,068,792 km (0.041 R)
• M41: 20,823,724 km (0.115 R)
• M42: 22,022,003 km (0.11 R)
• M43: 22,203,615 km (0.054 R)
• M44: 22,385,825 km (0.05 R)
• M45: 22,568,484 km (0.103 R)
• M46: 24,172,024 km (0.076 R)
• M47: 25,177,022 km (0.105 R)
• M48: 26,195,485 km (0.091 R)
• M49: 28,536,093 km (0.04 R)
• M50: 30,739,370 km (0.092 R)
• M51: 30,942,375 km (0.074 R)
• M52: 31,554,080 km (0.109 R)
• M53: 32,032,644 km (0.085 R)
• M54: 32,375,971 km (0.098 R)
• M55: 32,789,460 km (0.026 R)
• M56: 33,343,570 km (0.071 R)
• M57: 36,876,025 km (0.113 R)
• M58: 41,567,564 km (0.085 R)
• M59: 42,092,054 km (0.117 R)
• M60: 42,618,638 km (0.045 R)
• M61: 42,920,527 km (0.097 R)
• M62: 43,374,706 km (0.102 R)
• M63: 45,592,195 km (0.103 R)
• M64: 45,823,773 km (0.088 R)
• M65: 46,520,599 km (0.119 R)
• M66: 47,220,867 km (0.113 R)
• M67: 47,846,336 km (0.058 R)
• M68: 48,317,270 km (0.116 R)
• M69: 49,421,901 km (0.117 R)
• M70: 51,094,554 km (0.074 R)
• M71: 51,656,145 km (0.064 R)
• M72: 52,381,395 km (0.081 R)
• M73: 52,866,691 km (0.112 R)
• M74: 53,597,327 km (0.068 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 17,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit