🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.5 AU - 0.58 AU

Year: 260 Days

Day: 36.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,179,008 km

• M1: 233,971 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 11.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.84 AU - 1.08 AU

Year: 617 Days

Day: 13.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 10,179,008 km

• M1: 143,614 km (0.047 R)
• M2: 220,208 km (0.069 R)
• M3: 324,179 km (0.057 R)
• M4: 487,539 km (0.067 R)
• M5: 563,086 km (0.085 R)
• M6: 676,482 km (0.074 R)
• M7: 750,533 km (0.109 R)
• M8: 844,181 km (0.106 R)
• M9: 942,317 km (0.107 R)
• M10: 1,069,924 km (0.083 R)
• M11: 1,292,077 km (0.115 R)
• M12: 1,459,776 km (0.109 R)
• M13: 1,768,546 km (0.118 R)
• M14: 1,870,273 km (0.098 R)
• M15: 2,192,207 km (0.097 R)
• M16: 2,277,927 km (0.038 R)
• M17: 2,389,228 km (0.117 R)
• M18: 2,462,680 km (0.094 R)
• M19: 2,637,261 km (0.118 R)
• M20: 2,733,901 km (0.107 R)
• M21: 2,847,147 km (0.066 R)
• M22: 2,930,622 km (0.072 R)
• M23: 3,099,967 km (0.091 R)
• M24: 3,509,716 km (0.072 R)
• M25: 3,667,093 km (0.082 R)
• M26: 3,965,840 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.1

Radius: 12.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.71 AU - 1.77 AU

Year: 1506 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 124.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 10,179,008 km

• M1: 163,211 km (0.093 R)
• M2: 279,598 km (0.115 R)
• M3: 370,404 km (0.105 R)
• M4: 446,250 km (0.085 R)
• M5: 529,277 km (0.072 R)
• M6: 614,099 km (0.093 R)
• M7: 730,337 km (0.049 R)
• M8: 821,592 km (0.088 R)
• M9: 905,815 km (0.061 R)
• M10: 1,077,553 km (0.118 R)
• M11: 1,183,618 km (0.115 R)
• M12: 1,286,990 km (0.107 R)
• M13: 1,393,504 km (0.084 R)
• M14: 1,566,140 km (0.119 R)
• M15: 1,724,115 km (0.09 R)
• M16: 1,955,992 km (0.03 R)
• M17: 2,071,931 km (0.098 R)
• M18: 2,198,341 km (0.09 R)
• M19: 2,343,600 km (0.1 R)
• M20: 2,442,335 km (0.073 R)
• M21: 2,626,939 km (0.119 R)
• M22: 2,703,832 km (0.063 R)
• M23: 2,781,473 km (0.077 R)
• M24: 2,983,430 km (0.108 R)
• M25: 3,099,817 km (0.104 R)
• M26: 3,318,679 km (0.073 R)
• M27: 3,420,705 km (0.076 R)
• M28: 3,590,050 km (0.08 R)
• M29: 3,829,855 km (0.113 R)
• M30: 4,025,529 km (0.114 R)
• M31: 4,234,667 km (0.116 R)
• M32: 4,355,692 km (0.11 R)
• M33: 4,447,246 km (0.046 R)
• M34: 4,529,225 km (0.071 R)
• M35: 4,642,770 km (0.049 R)
• M36: 5,042,495 km (0.08 R)
• M37: 5,333,314 km (0.075 R)
• M38: 5,497,273 km (0.116 R)
• M39: 5,685,018 km (0.115 R)
• M40: 5,920,037 km (0.113 R)
• M41: 6,033,133 km (0.108 R)
• M42: 6,272,938 km (0.114 R)
• M43: 6,446,172 km (0.098 R)
• M44: 6,609,234 km (0.076 R)
• M45: 6,903,942 km (0.075 R)
• M46: 6,987,268 km (0.048 R)
• M47: 7,142,850 km (0.118 R)
• M48: 7,420,952 km (0.104 R)
• M49: 7,506,372 km (0.065 R)
• M50: 7,628,893 km (0.094 R)
• M51: 7,715,061 km (0.107 R)
• M52: 7,950,678 km (0.105 R)
• M53: 8,125,708 km (0.097 R)
• M54: 8,238,953 km (0.038 R)
• M55: 8,556,250 km (0.068 R)
• M56: 8,697,171 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.9

Radius: 13.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.75 AU - 1.93 AU

Year: 1637 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 10,179,008 km

• M1: 250,277 km (0.107 R)
• M2: 413,489 km (0.11 R)
• M3: 502,499 km (0.073 R)
• M4: 600,336 km (0.105 R)
• M5: 823,087 km (0.03 R)
• M6: 914,641 km (0.101 R)
• M7: 1,125,275 km (0.119 R)
• M8: 1,236,875 km (0.09 R)
• M9: 1,373,608 km (0.105 R)
• M10: 1,546,543 km (0.104 R)
• M11: 1,636,002 km (0.037 R)
• M12: 1,787,395 km (0.074 R)
• M13: 1,958,236 km (0.102 R)
• M14: 2,194,601 km (0.066 R)
• M15: 2,367,985 km (0.11 R)
• M16: 2,503,670 km (0.106 R)
• M17: 2,593,877 km (0.099 R)
• M18: 2,733,901 km (0.106 R)
• M19: 2,882,153 km (0.109 R)
• M20: 3,101,164 km (0.112 R)
• M21: 3,325,710 km (0.113 R)
• M22: 3,448,979 km (0.111 R)
• M23: 3,549,808 km (0.113 R)
• M24: 3,639,716 km (0.089 R)
• M25: 3,957,163 km (0.045 R)
• M26: 4,157,026 km (0.05 R)
• M27: 4,283,735 km (0.095 R)
• M28: 4,456,820 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351

Radius: 12.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.67 AU - 2.25 AU

Year: 1800 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 10,179,008 km

• M1: 154,535 km (0.103 R)
• M2: 254,466 km (0.089 R)
• M3: 474,824 km (0.092 R)
• M4: 553,363 km (0.087 R)
• M5: 687,851 km (0.058 R)
• M6: 978,220 km (0.107 R)
• M7: 1,099,395 km (0.094 R)
• M8: 1,177,934 km (0.115 R)
• M9: 1,291,329 km (0.118 R)
• M10: 1,417,141 km (0.11 R)
• M11: 1,556,117 km (0.113 R)
• M12: 1,718,132 km (0.083 R)
• M13: 1,838,707 km (0.11 R)
• M14: 2,039,767 km (0.116 R)
• M15: 2,278,675 km (0.056 R)
• M16: 2,422,289 km (0.078 R)
• M17: 2,505,764 km (0.081 R)
• M18: 2,611,530 km (0.106 R)
• M19: 2,718,941 km (0.108 R)
• M20: 2,827,699 km (0.096 R)
• M21: 2,993,753 km (0.118 R)
• M22: 3,289,358 km (0.066 R)
• M23: 3,487,725 km (0.055 R)
• M24: 3,570,602 km (0.049 R)
• M25: 3,823,273 km (0.118 R)
• M26: 3,921,259 km (0.088 R)
• M27: 4,057,094 km (0.039 R)
• M28: 4,157,026 km (0.073 R)
• M29: 4,359,132 km (0.088 R)
• M30: 4,487,188 km (0.103 R)
• M31: 4,564,680 km (0.079 R)
• M32: 4,681,665 km (0.093 R)
• M33: 4,813,012 km (0.073 R)
• M34: 5,065,683 km (0.11 R)
• M35: 5,214,084 km (0.075 R)
• M36: 5,377,595 km (0.112 R)
• M37: 5,460,023 km (0.077 R)
• M38: 5,584,339 km (0.061 R)
• M39: 5,695,789 km (0.06 R)
• M40: 6,120,049 km (0.039 R)
• M41: 7,074,633 km (0.045 R)
• M42: 7,316,682 km (0.119 R)
• M43: 7,408,236 km (0.036 R)
• M44: 7,607,800 km (0.062 R)
• M45: 7,840,275 km (0.05 R)
• M46: 7,965,189 km (0.104 R)
• M47: 8,201,404 km (0.053 R)
• M48: 8,407,849 km (0.1 R)
• M49: 8,907,356 km (0.105 R)
• M50: 9,201,915 km (0.092 R)
• M51: 9,449,798 km (0.044 R)
• M52: 9,750,191 km (0.068 R)
• M53: 9,901,584 km (0.089 R)
• M54: 10,326,143 km (0.102 R)
• M55: 10,411,862 km (0.08 R)
• M56: 10,532,139 km (0.105 R)
• M57: 10,652,864 km (0.101 R)
• M58: 11,000,530 km (0.05 R)
• M59: 11,105,548 km (0.065 R)
• M60: 11,316,630 km (0.062 R)
• M61: 11,511,257 km (0.104 R)
• M62: 11,832,144 km (0.068 R)
• M63: 12,065,667 km (0.09 R)
• M64: 12,174,125 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.6

Radius: 15

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.99 AU - 2.21 AU

Year: 1996 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 10,179,008 km

• M1: 223,649 km (0.072 R)
• M2: 333,454 km (0.088 R)
• M3: 460,911 km (0.099 R)
• M4: 698,772 km (0.116 R)
• M5: 844,181 km (0.103 R)
• M6: 943,364 km (0.086 R)
• M7: 1,274,424 km (0.109 R)
• M8: 1,428,061 km (0.116 R)
• M9: 1,572,872 km (0.047 R)
• M10: 1,779,467 km (0.097 R)
• M11: 1,919,640 km (0.092 R)
• M12: 2,176,350 km (0.057 R)
• M13: 2,282,265 km (0.104 R)
• M14: 2,435,453 km (0.118 R)
• M15: 2,573,532 km (0.106 R)
• M16: 2,781,174 km (0.033 R)
• M17: 2,916,111 km (0.102 R)
• M18: 3,083,063 km (0.066 R)
• M19: 3,243,282 km (0.054 R)
• M20: 3,396,021 km (0.091 R)
• M21: 3,520,038 km (0.072 R)
• M22: 3,645,551 km (0.095 R)
• M23: 3,793,802 km (0.08 R)
• M24: 3,901,064 km (0.092 R)
• M25: 4,009,373 km (0.089 R)
• M26: 4,107,808 km (0.043 R)
• M27: 4,351,652 km (0.083 R)
• M28: 4,452,781 km (0.107 R)
• M29: 4,738,064 km (0.074 R)
• M30: 4,842,184 km (0.091 R)
• M31: 4,970,688 km (0.061 R)
• M32: 5,064,786 km (0.094 R)
• M33: 5,219,021 km (0.092 R)
• M34: 5,410,955 km (0.058 R)
• M35: 5,691,152 km (0.065 R)
• M36: 5,864,087 km (0.094 R)
• M37: 6,253,191 km (0.12 R)
• M38: 6,355,067 km (0.086 R)
• M39: 6,560,315 km (0.103 R)
• M40: 6,663,837 km (0.05 R)
• M41: 6,780,972 km (0.085 R)
• M42: 6,951,364 km (0.101 R)
• M43: 7,109,938 km (0.109 R)
• M44: 7,283,023 km (0.059 R)
• M45: 7,497,995 km (0.109 R)
• M46: 7,592,840 km (0.12 R)
• M47: 8,197,515 km (0.099 R)
• M48: 8,435,525 km (0.118 R)
• M49: 8,846,620 km (0.079 R)
• M50: 8,975,423 km (0.025 R)
• M51: 9,264,297 km (0.059 R)
• M52: 9,585,484 km (0.043 R)
• M53: 9,688,556 km (0.045 R)
• M54: 10,134,059 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit