🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.71 AU - 0.87 AU

Year: 255 Days

Day: 45.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,776,570 km

• M1: 352,303 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.51 AU - 2.39 AU

Year: 990 Days

Day: 38 Hours

Environment

Temp: -63 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.82 AU - 2.16 AU

Year: 1020 Days

Day: 25.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.46 AU - 2.94 AU

Year: 1612 Days

Day: 18.1 Hours

Environment

Temp: -96 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,776,570 km

• M1: 1,073,215 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.77 AU - 4.03 AU

Year: 2278 Days

Day: 24.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,776,570 km

• M1: 112,348 km (0.091 R)
• M2: 297,401 km (0.115 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.38 AU - 3.84 AU

Year: 2493 Days

Day: 36.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 12.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.79 AU - 7.23 AU

Year: 6745 Days

Day: 5.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 76,776,570 km

• M1: 160,818 km (0.099 R)
• M2: 315,951 km (0.119 R)
• M3: 698,173 km (0.108 R)
• M4: 838,197 km (0.114 R)
• M5: 1,101,938 km (0.083 R)
• M6: 1,367,624 km (0.081 R)
• M7: 1,974,841 km (0.111 R)
• M8: 2,285,107 km (0.058 R)
• M9: 2,659,102 km (0.092 R)
• M10: 3,256,446 km (0.069 R)
• M11: 3,606,356 km (0.106 R)
• M12: 3,840,327 km (0.076 R)
• M13: 4,266,531 km (0.054 R)
• M14: 4,399,374 km (0.077 R)
• M15: 4,475,968 km (0.06 R)
• M16: 4,688,696 km (0.049 R)
• M17: 4,865,222 km (0.085 R)
• M18: 5,225,005 km (0.106 R)
• M19: 6,183,778 km (0.069 R)
• M20: 6,705,425 km (0.095 R)
• M21: 6,793,838 km (0.088 R)
• M22: 6,971,710 km (0.078 R)
• M23: 7,514,600 km (0.083 R)
• M24: 7,768,019 km (0.111 R)
• M25: 8,641,222 km (0.074 R)
• M26: 8,761,648 km (0.07 R)
• M27: 9,199,671 km (0.118 R)
• M28: 9,495,725 km (0.064 R)
• M29: 9,620,041 km (0.1 R)
• M30: 10,737,088 km (0.079 R)
• M31: 10,840,759 km (0.103 R)
• M32: 10,970,760 km (0.115 R)
• M33: 11,548,806 km (0.11 R)
• M34: 12,707,142 km (0.106 R)
• M35: 13,009,330 km (0.115 R)
• M36: 13,789,633 km (0.061 R)
• M37: 13,958,678 km (0.068 R)
• M38: 14,270,739 km (0.076 R)
• M39: 14,499,026 km (0.1 R)
• M40: 14,814,976 km (0.116 R)
• M41: 15,600,066 km (0.075 R)
• M42: 15,923,796 km (0.114 R)
• M43: 16,012,507 km (0.1 R)
• M44: 16,968,587 km (0.118 R)
• M45: 17,453,733 km (0.105 R)
• M46: 17,943,367 km (0.098 R)
• M47: 18,468,456 km (0.109 R)
• M48: 18,623,888 km (0.093 R)
• M49: 19,534,041 km (0.059 R)
• M50: 19,819,474 km (0.111 R)
• M51: 19,946,782 km (0.058 R)
• M52: 20,330,201 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.1

Radius: 4.2

Gravity: 48.13 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 11.48 AU - 15.7 AU

Year: 18208 Days

Day: 15.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 76,776,570 km

• M1: 512,223 km (0.085 R)
• M2: 643,121 km (0.084 R)
• M3: 689,197 km (0.118 R)
• M4: 784,641 km (0.098 R)
• M5: 884,423 km (0.095 R)
• M6: 1,473,240 km (0.102 R)
• M7: 1,534,575 km (0.12 R)
• M8: 2,370,079 km (0.073 R)
• M9: 3,044,317 km (0.066 R)
• M10: 3,162,200 km (0.073 R)
• M11: 4,643,967 km (0.11 R)
• M12: 5,054,912 km (0.086 R)
• M13: 5,572,969 km (0.085 R)
• M14: 5,862,741 km (0.109 R)
• M15: 5,960,428 km (0.031 R)
• M16: 7,541,528 km (0.098 R)
• M17: 7,700,999 km (0.096 R)
• M18: 7,861,667 km (0.12 R)
• M19: 8,186,295 km (0.07 R)
• M20: 8,405,156 km (0.068 R)
• M21: 9,700,375 km (0.074 R)
• M22: 10,106,832 km (0.072 R)
• M23: 11,972,318 km (0.054 R)
• M24: 12,785,681 km (0.094 R)
• M25: 13,745,950 km (0.08 R)
• M26: 14,333,271 km (0.096 R)
• M27: 14,928,671 km (0.057 R)
• M28: 15,870,988 km (0.109 R)
• M29: 16,555,697 km (0.084 R)
• M30: 16,971,130 km (0.115 R)
• M31: 17,110,406 km (0.094 R)
• M32: 17,883,079 km (0.097 R)
• M33: 20,194,516 km (0.068 R)
• M34: 20,489,972 km (0.102 R)
• M35: 22,598,105 km (0.075 R)
• M36: 23,833,334 km (0.115 R)
• M37: 24,695,168 km (0.111 R)
• M38: 26,368,719 km (0.055 R)
• M39: 27,015,730 km (0.058 R)
• M40: 27,178,343 km (0.075 R)
• M41: 28,408,187 km (0.075 R)
• M42: 31,518,177 km (0.101 R)
• M43: 33,330,854 km (0.104 R)
• M44: 33,417,920 km (0.118 R)
• M45: 33,592,501 km (0.101 R)
• M46: 35,710,508 km (0.107 R)
• M47: 36,875,576 km (0.116 R)
• M48: 37,055,991 km (0.096 R)
• M49: 37,236,705 km (0.109 R)
• M50: 38,509,334 km (0.063 R)
• M51: 38,600,888 km (0.071 R)
• M52: 39,151,109 km (0.063 R)
• M53: 42,223,550 km (0.049 R)
• M54: 42,885,222 km (0.053 R)
• M55: 43,550,184 km (0.081 R)
• M56: 43,836,215 km (0.104 R)
• M57: 46,828,621 km (0.119 R)
• M58: 47,317,358 km (0.096 R)
• M59: 48,300,066 km (0.071 R)
• M60: 50,886,165 km (0.101 R)
• M61: 52,804,308 km (0.081 R)
• M62: 55,570,523 km (0.112 R)
• M63: 55,777,267 km (0.068 R)
• M64: 58,173,376 km (0.104 R)
• M65: 58,909,398 km (0.067 R)
• M66: 60,072,072 km (0.094 R)
• M67: 60,284,202 km (0.077 R)
• M68: 60,709,359 km (0.105 R)
• M69: 61,669,628 km (0.056 R)
• M70: 62,634,983 km (0.097 R)
• M71: 63,173,386 km (0.104 R)
• M72: 63,281,246 km (0.047 R)
• M73: 63,929,752 km (0.114 R)
• M74: 64,146,370 km (0.094 R)
• M75: 65,888,437 km (0.076 R)
• M76: 66,655,426 km (0.119 R)
• M77: 66,765,230 km (0.044 R)
• M78: 67,315,302 km (0.096 R)
• M79: 67,425,406 km (0.097 R)
• M80: 68,308,931 km (0.115 R)
• M81: 69,307,646 km (0.119 R)
• M82: 69,976,050 km (0.068 R)
• M83: 70,087,650 km (0.089 R)
• M84: 72,219,419 km (0.104 R)
• M85: 73,463,326 km (0.079 R)
• M86: 73,690,266 km (0.091 R)
• M87: 73,917,505 km (0.107 R)
• M88: 75,056,692 km (0.053 R)
• M89: 75,170,985 km (0.102 R)
• M90: 75,972,381 km (0.067 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit