🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.46 AU - 0.74 AU

Year: 197 Days

Day: 18.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.55 AU - 0.79 AU

Year: 233 Days

Day: 38.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 14,573,227 km

• M1: 372,648 km (0.054 R)
• M2: 450,439 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.91 AU

Year: 287 Days

Day: 26.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 14,573,227 km

• M1: 96,341 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.75 AU - 1.07 AU

Year: 369 Days

Day: 36.9 Hours

Environment

Temp: -35 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 14,573,227 km

• M1: 496,366 km (0.104 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.75 AU - 1.11 AU

Year: 381 Days

Day: 45.3 Hours

Environment

Temp: -32 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.95 AU - 1.31 AU

Year: 510 Days

Day: 32.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 10.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.86 AU - 2.96 AU

Year: 2108 Days

Day: 6.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 14,573,227 km

• M1: 135,984 km (0.072 R)
• M2: 238,908 km (0.057 R)
• M3: 337,044 km (0.111 R)
• M4: 564,283 km (0.089 R)
• M5: 828,174 km (0.11 R)
• M6: 1,181,823 km (0.117 R)
• M7: 1,287,140 km (0.113 R)
• M8: 1,663,828 km (0.117 R)
• M9: 1,930,860 km (0.104 R)
• M10: 2,056,073 km (0.061 R)
• M11: 3,173,868 km (0.083 R)
• M12: 3,386,896 km (0.102 R)
• M13: 3,473,513 km (0.069 R)
• M14: 3,571,799 km (0.087 R)
• M15: 4,169,293 km (0.067 R)
• M16: 4,462,056 km (0.105 R)
• M17: 4,557,200 km (0.101 R)
• M18: 4,785,785 km (0.046 R)
• M19: 5,229,194 km (0.063 R)
• M20: 5,417,986 km (0.101 R)
• M21: 5,481,416 km (0.106 R)
• M22: 5,698,931 km (0.081 R)
• M23: 5,932,304 km (0.088 R)
• M24: 6,475,793 km (0.117 R)
• M25: 6,597,266 km (0.089 R)
• M26: 6,746,714 km (0.076 R)
• M27: 7,049,052 km (0.089 R)
• M28: 7,299,628 km (0.067 R)
• M29: 7,482,586 km (0.039 R)
• M30: 7,595,832 km (0.12 R)
• M31: 8,054,798 km (0.091 R)
• M32: 8,493,270 km (0.106 R)
• M33: 8,834,801 km (0.112 R)
• M34: 8,969,589 km (0.072 R)
• M35: 9,469,994 km (0.034 R)
• M36: 9,577,256 km (0.089 R)
• M37: 10,119,847 km (0.033 R)
• M38: 10,213,944 km (0.067 R)
• M39: 10,308,191 km (0.059 R)
• M40: 10,545,304 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 8.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.85 AU - 4.07 AU

Year: 3346 Days

Day: 7 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 14,573,227 km

• M1: 109,954 km (0.106 R)
• M2: 237,561 km (0.108 R)
• M3: 337,493 km (0.092 R)
• M4: 515,065 km (0.075 R)
• M5: 645,664 km (0.092 R)
• M6: 699,669 km (0.073 R)
• M7: 940,671 km (0.077 R)
• M8: 1,038,957 km (0.113 R)
• M9: 1,275,471 km (0.059 R)
• M10: 1,477,129 km (0.067 R)
• M11: 1,581,848 km (0.052 R)
• M12: 1,776,774 km (0.071 R)
• M13: 1,854,714 km (0.098 R)
• M14: 2,072,230 km (0.094 R)
• M15: 2,142,690 km (0.114 R)
• M16: 2,594,625 km (0.111 R)
• M17: 2,760,380 km (0.111 R)
• M18: 2,929,874 km (0.081 R)
• M19: 3,022,475 km (0.085 R)
• M20: 3,089,196 km (0.113 R)
• M21: 3,375,078 km (0.088 R)
• M22: 3,444,491 km (0.05 R)
• M23: 3,612,789 km (0.114 R)
• M24: 3,712,271 km (0.111 R)
• M25: 4,298,246 km (0.109 R)
• M26: 4,434,081 km (0.073 R)
• M27: 4,663,714 km (0.097 R)
• M28: 4,756,614 km (0.11 R)
• M29: 4,818,996 km (0.106 R)
• M30: 5,198,526 km (0.077 R)
• M31: 5,359,493 km (0.117 R)
• M32: 5,489,643 km (0.057 R)
• M33: 5,620,691 km (0.089 R)
• M34: 5,686,664 km (0.118 R)
• M35: 5,819,208 km (0.063 R)
• M36: 5,969,703 km (0.108 R)
• M37: 6,070,682 km (0.111 R)
• M38: 6,671,317 km (0.047 R)
• M39: 6,863,999 km (0.106 R)
• M40: 7,094,230 km (0.064 R)
• M41: 7,489,468 km (0.077 R)
• M42: 7,543,921 km (0.055 R)
• M43: 7,598,525 km (0.117 R)
• M44: 8,077,088 km (0.1 R)
• M45: 8,188,987 km (0.084 R)
• M46: 8,245,087 km (0.112 R)
• M47: 8,414,282 km (0.088 R)
• M48: 8,546,526 km (0.091 R)
• M49: 8,717,816 km (0.057 R)
• M50: 8,928,599 km (0.112 R)
• M51: 8,986,344 km (0.076 R)
• M52: 9,551,226 km (0.116 R)
• M53: 9,610,466 km (0.103 R)
• M54: 9,748,844 km (0.086 R)
• M55: 9,828,131 km (0.091 R)
• M56: 10,007,499 km (0.12 R)
• M57: 10,228,306 km (0.111 R)
• M58: 10,859,010 km (0.102 R)
• M59: 10,982,578 km (0.099 R)
• M60: 11,106,595 km (0.091 R)
• M61: 11,987,577 km (0.093 R)
• M62: 12,136,576 km (0.119 R)
• M63: 12,652,240 km (0.101 R)
• M64: 12,934,531 km (0.113 R)
• M65: 13,065,579 km (0.113 R)
• M66: 13,218,917 km (0.092 R)
• M67: 13,638,239 km (0.073 R)
• M68: 14,716,990 km (0.107 R)
• M69: 14,808,244 km (0.078 R)
• M70: 14,876,611 km (0.111 R)
• M71: 15,036,830 km (0.069 R)
• M72: 15,105,645 km (0.084 R)
• M73: 15,451,366 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.6

Radius: 9.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.29 AU - 5.09 AU

Year: 4313 Days

Day: 5.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 14,573,227 km

• M1: 114,592 km (0.079 R)
• M2: 277,205 km (0.083 R)
• M3: 348,114 km (0.063 R)
• M4: 492,775 km (0.063 R)
• M5: 721,361 km (0.106 R)
• M6: 810,671 km (0.04 R)
• M7: 886,667 km (0.073 R)
• M8: 1,092,513 km (0.118 R)
• M9: 1,167,911 km (0.085 R)
• M10: 1,294,171 km (0.107 R)
• M11: 1,435,392 km (0.112 R)
• M12: 1,689,558 km (0.079 R)
• M13: 1,923,829 km (0.115 R)
• M14: 2,288,847 km (0.105 R)
• M15: 2,374,268 km (0.059 R)
• M16: 2,435,902 km (0.113 R)
• M17: 2,611,680 km (0.052 R)
• M18: 2,688,274 km (0.058 R)
• M19: 3,069,300 km (0.092 R)
• M20: 3,150,232 km (0.089 R)
• M21: 3,453,467 km (0.072 R)
• M22: 3,751,615 km (0.073 R)
• M23: 3,823,871 km (0.063 R)
• M24: 4,162,112 km (0.11 R)
• M25: 4,252,020 km (0.04 R)
• M26: 4,587,120 km (0.103 R)
• M27: 4,757,811 km (0.081 R)
• M28: 4,820,492 km (0.116 R)
• M29: 4,914,888 km (0.107 R)
• M30: 5,218,123 km (0.114 R)
• M31: 5,543,947 km (0.119 R)
• M32: 5,692,648 km (0.082 R)
• M33: 5,893,109 km (0.116 R)
• M34: 6,095,964 km (0.041 R)
• M35: 6,595,621 km (0.09 R)
• M36: 6,841,559 km (0.101 R)
• M37: 7,180,099 km (0.097 R)
• M38: 7,615,728 km (0.089 R)
• M39: 7,985,235 km (0.112 R)
• M40: 8,266,180 km (0.096 R)
• M41: 8,398,424 km (0.058 R)
• M42: 8,512,418 km (0.08 R)
• M43: 8,953,881 km (0.032 R)
• M44: 9,012,075 km (0.111 R)
• M45: 9,070,268 km (0.096 R)
• M46: 9,304,688 km (0.092 R)
• M47: 9,363,630 km (0.1 R)
• M48: 9,659,983 km (0.044 R)
• M49: 9,819,305 km (0.113 R)
• M50: 9,919,236 km (0.099 R)
• M51: 10,221,424 km (0.106 R)
• M52: 10,322,851 km (0.076 R)
• M53: 10,938,148 km (0.119 R)
• M54: 11,125,145 km (0.119 R)
• M55: 11,692,270 km (0.094 R)
• M56: 12,484,690 km (0.106 R)
• M57: 12,549,765 km (0.11 R)
• M58: 12,723,748 km (0.101 R)
• M59: 12,942,310 km (0.08 R)
• M60: 13,316,604 km (0.078 R)
• M61: 13,649,908 km (0.095 R)
• M62: 13,828,827 km (0.073 R)
• M63: 13,941,026 km (0.117 R)
• M64: 14,031,083 km (0.111 R)
• M65: 14,529,394 km (0.056 R)
• M66: 14,643,537 km (0.072 R)
• M67: 14,712,053 km (0.103 R)
• M68: 14,941,536 km (0.099 R)
• M69: 15,056,726 km (0.08 R)
• M70: 15,195,254 km (0.119 R)
• M71: 15,264,668 km (0.091 R)
• M72: 15,520,330 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.3

Radius: 15

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.72 AU - 5.84 AU

Year: 5900 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 14,573,227 km

• M1: 323,879 km (0.113 R)
• M2: 430,543 km (0.103 R)
• M3: 655,239 km (0.098 R)
• M4: 792,121 km (0.107 R)
• M5: 1,030,729 km (0.086 R)
• M6: 1,239,718 km (0.113 R)
• M7: 1,454,091 km (0.096 R)
• M8: 1,551,330 km (0.077 R)
• M9: 1,691,354 km (0.118 R)
• M10: 2,306,650 km (0.065 R)
• M11: 2,421,690 km (0.06 R)
• M12: 2,515,189 km (0.116 R)
• M13: 2,717,894 km (0.087 R)
• M14: 2,852,083 km (0.088 R)
• M15: 3,101,912 km (0.101 R)
• M16: 3,203,938 km (0.041 R)
• M17: 3,596,632 km (0.079 R)
• M18: 4,285,680 km (0.1 R)
• M19: 4,500,502 km (0.09 R)
• M20: 4,763,047 km (0.069 R)
• M21: 4,896,338 km (0.055 R)
• M22: 5,121,184 km (0.086 R)
• M23: 5,426,364 km (0.118 R)
• M24: 5,596,756 km (0.111 R)
• M25: 5,832,073 km (0.039 R)
• M26: 6,377,656 km (0.042 R)
• M27: 6,722,928 km (0.07 R)
• M28: 6,872,825 km (0.09 R)
• M29: 7,918,066 km (0.119 R)
• M30: 8,307,170 km (0.105 R)
• M31: 9,012,524 km (0.087 R)
• M32: 9,680,927 km (0.069 R)
• M33: 9,793,873 km (0.064 R)
• M34: 10,097,258 km (0.113 R)
• M35: 11,143,994 km (0.12 R)
• M36: 11,381,406 km (0.095 R)
• M37: 11,720,395 km (0.11 R)
• M38: 12,449,684 km (0.12 R)
• M39: 12,552,159 km (0.11 R)
• M40: 12,737,212 km (0.114 R)
• M41: 12,881,873 km (0.039 R)
• M42: 13,006,188 km (0.068 R)
• M43: 13,676,387 km (0.116 R)
• M44: 14,357,955 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit