🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.78 AU

Year: 187 Days

Day: 40.5 Hours

Environment

Temp: 209 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 94,891,445 km

• M1: 35,305 km (0.1 R)
• M2: 329,564 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.01 AU - 1.09 AU

Year: 403 Days

Day: 21.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.43 AU - 3.11 AU

Year: 1728 Days

Day: 24.3 Hours

Environment

Temp: -97 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.87 AU - 3.15 AU

Year: 1957 Days

Day: 29.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.99 AU - 4.79 AU

Year: 2875 Days

Day: 12.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 112.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 11

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.71 AU - 7.55 AU

Year: 5687 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 94,891,445 km

• M1: 148,999 km (0.07 R)
• M2: 242,049 km (0.12 R)
• M3: 372,947 km (0.108 R)
• M4: 455,825 km (0.073 R)
• M5: 777,161 km (0.106 R)
• M6: 889,958 km (0.116 R)
• M7: 1,683,126 km (0.089 R)
• M8: 1,890,019 km (0.073 R)
• M9: 2,045,751 km (0.086 R)
• M10: 2,125,187 km (0.093 R)
• M11: 2,226,166 km (0.064 R)
• M12: 2,496,190 km (0.056 R)
• M13: 2,689,471 km (0.063 R)
• M14: 2,821,117 km (0.093 R)
• M15: 3,369,243 km (0.052 R)
• M16: 3,680,108 km (0.071 R)
• M17: 4,075,345 km (0.12 R)
• M18: 4,588,765 km (0.039 R)
• M19: 4,720,262 km (0.115 R)
• M20: 4,826,476 km (0.057 R)
• M21: 4,906,661 km (0.076 R)
• M22: 5,341,691 km (0.054 R)
• M23: 5,648,217 km (0.078 R)
• M24: 6,365,838 km (0.101 R)
• M25: 6,542,513 km (0.116 R)
• M26: 6,870,432 km (0.106 R)
• M27: 7,480,492 km (0.043 R)
• M28: 7,854,935 km (0.084 R)
• M29: 8,850,360 km (0.063 R)
• M30: 9,146,863 km (0.064 R)
• M31: 9,379,786 km (0.105 R)
• M32: 9,885,427 km (0.106 R)
• M33: 10,090,077 km (0.105 R)
• M34: 10,817,871 km (0.062 R)
• M35: 12,250,420 km (0.026 R)
• M36: 13,175,832 km (0.031 R)
• M37: 13,627,917 km (0.107 R)
• M38: 14,008,644 km (0.118 R)
• M39: 14,085,238 km (0.047 R)
• M40: 15,211,111 km (0.114 R)
• M41: 15,447,775 km (0.082 R)
• M42: 15,606,199 km (0.081 R)
• M43: 15,685,486 km (0.111 R)
• M44: 16,084,613 km (0.092 R)
• M45: 16,164,798 km (0.105 R)
• M46: 16,406,099 km (0.119 R)
• M47: 16,608,206 km (0.041 R)
• M48: 16,729,979 km (0.117 R)
• M49: 17,014,963 km (0.09 R)
• M50: 17,219,613 km (0.118 R)
• M51: 17,921,227 km (0.058 R)
• M52: 18,632,265 km (0.091 R)
• M53: 19,437,850 km (0.118 R)
• M54: 19,523,420 km (0.05 R)
• M55: 19,995,700 km (0.091 R)
• M56: 20,558,787 km (0.102 R)
• M57: 21,611,806 km (0.036 R)
• M58: 21,744,798 km (0.079 R)
• M59: 22,817,565 km (0.106 R)
• M60: 22,998,129 km (0.12 R)
• M61: 24,828,908 km (0.106 R)
• M62: 25,014,559 km (0.098 R)
• M63: 26,896,351 km (0.059 R)
• M64: 27,373,867 km (0.066 R)
• M65: 27,709,864 km (0.078 R)
• M66: 27,854,226 km (0.062 R)
• M67: 28,482,986 km (0.109 R)
• M68: 29,263,139 km (0.081 R)
• M69: 29,361,125 km (0.077 R)
• M70: 29,557,398 km (0.104 R)
• M71: 30,347,274 km (0.099 R)
• M72: 30,545,791 km (0.095 R)
• M73: 31,043,952 km (0.083 R)
• M74: 32,859,771 km (0.091 R)
• M75: 33,370,348 km (0.089 R)
• M76: 33,780,546 km (0.101 R)
• M77: 34,244,149 km (0.107 R)
• M78: 34,606,176 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 11.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.41 AU - 8.67 AU

Year: 7000 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 94,891,445 km

• M1: 183,856 km (0.117 R)
• M2: 379,380 km (0.111 R)
• M3: 495,468 km (0.069 R)
• M4: 616,493 km (0.12 R)
• M5: 696,677 km (0.063 R)
• M6: 802,593 km (0.117 R)
• M7: 1,105,977 km (0.107 R)
• M8: 1,337,405 km (0.087 R)
• M9: 1,528,591 km (0.032 R)
• M10: 1,656,348 km (0.039 R)
• M11: 1,984,266 km (0.097 R)
• M12: 2,077,316 km (0.101 R)
• M13: 2,284,210 km (0.098 R)
• M14: 2,398,503 km (0.081 R)
• M15: 2,481,380 km (0.066 R)
• M16: 2,735,846 km (0.116 R)
• M17: 2,927,930 km (0.061 R)
• M18: 3,251,959 km (0.094 R)
• M19: 3,530,959 km (0.119 R)
• M20: 3,644,653 km (0.117 R)
• M21: 3,759,694 km (0.103 R)
• M22: 4,516,659 km (0.106 R)
• M23: 4,765,440 km (0.102 R)
• M24: 5,872,764 km (0.078 R)
• M25: 5,962,822 km (0.1 R)
• M26: 6,913,516 km (0.078 R)
• M27: 7,394,324 km (0.083 R)
• M28: 7,935,868 km (0.111 R)
• M29: 8,110,897 km (0.104 R)
• M30: 8,413,833 km (0.091 R)
• M31: 9,266,391 km (0.085 R)
• M32: 10,065,094 km (0.086 R)
• M33: 10,173,403 km (0.109 R)
• M34: 10,281,862 km (0.115 R)
• M35: 10,858,262 km (0.04 R)
• M36: 11,080,714 km (0.103 R)
• M37: 12,214,965 km (0.06 R)
• M38: 13,356,397 km (0.039 R)
• M39: 13,744,454 km (0.085 R)
• M40: 13,894,650 km (0.099 R)
• M41: 14,045,445 km (0.115 R)
• M42: 14,287,793 km (0.104 R)
• M43: 14,562,156 km (0.076 R)
• M44: 14,776,829 km (0.109 R)
• M45: 14,992,399 km (0.056 R)
• M46: 15,209,167 km (0.07 R)
• M47: 15,551,746 km (0.113 R)
• M48: 16,531,163 km (0.057 R)
• M49: 17,173,536 km (0.102 R)
• M50: 17,856,899 km (0.098 R)
• M51: 18,251,389 km (0.096 R)
• M52: 18,516,028 km (0.053 R)
• M53: 18,881,944 km (0.112 R)
• M54: 19,183,085 km (0.082 R)
• M55: 19,317,423 km (0.117 R)
• M56: 20,062,122 km (0.092 R)
• M57: 20,954,174 km (0.095 R)
• M58: 21,684,211 km (0.111 R)
• M59: 22,351,867 km (0.094 R)
• M60: 22,457,932 km (0.093 R)
• M61: 22,883,687 km (0.101 R)
• M62: 24,249,815 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.4

Radius: 3.8

Gravity: 35.35 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 18.04 AU - 20.96 AU

Year: 32269 Days

Day: 23 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 94,891,445 km

• M1: 91,404 km (0.072 R)
• M2: 239,207 km (0.118 R)
• M3: 491,579 km (0.117 R)
• M4: 668,254 km (0.096 R)
• M5: 749,785 km (0.091 R)
• M6: 1,338,003 km (0.118 R)
• M7: 1,729,052 km (0.076 R)
• M8: 1,956,441 km (0.078 R)
• M9: 2,034,381 km (0.117 R)
• M10: 2,397,605 km (0.119 R)
• M11: 2,650,874 km (0.086 R)
• M12: 3,046,561 km (0.114 R)
• M13: 3,091,590 km (0.081 R)
• M14: 3,136,918 km (0.07 R)
• M15: 4,188,591 km (0.075 R)
• M16: 4,492,873 km (0.118 R)
• M17: 5,447,307 km (0.062 R)
• M18: 5,891,015 km (0.082 R)
• M19: 7,655,372 km (0.058 R)
• M20: 7,716,857 km (0.086 R)
• M21: 8,151,588 km (0.113 R)
• M22: 9,239,763 km (0.092 R)
• M23: 10,169,663 km (0.056 R)
• M24: 10,372,817 km (0.057 R)
• M25: 11,338,322 km (0.105 R)
• M26: 11,408,334 km (0.083 R)
• M27: 12,188,487 km (0.091 R)
• M28: 13,279,653 km (0.117 R)
• M29: 14,099,599 km (0.073 R)
• M30: 14,401,787 km (0.118 R)
• M31: 14,629,774 km (0.1 R)
• M32: 14,935,702 km (0.116 R)
• M33: 15,787,811 km (0.097 R)
• M34: 16,655,629 km (0.096 R)
• M35: 17,701,018 km (0.103 R)
• M36: 18,354,761 km (0.031 R)
• M37: 22,527,943 km (0.103 R)
• M38: 23,235,990 km (0.062 R)
• M39: 23,592,631 km (0.065 R)
• M40: 24,221,391 km (0.112 R)
• M41: 25,037,597 km (0.096 R)
• M42: 26,418,236 km (0.067 R)
• M43: 26,604,037 km (0.057 R)
• M44: 26,697,236 km (0.11 R)
• M45: 27,634,467 km (0.116 R)
• M46: 32,379,861 km (0.053 R)
• M47: 33,078,034 km (0.112 R)
• M48: 33,479,255 km (0.099 R)
• M49: 33,680,315 km (0.088 R)
• M50: 39,474,241 km (0.103 R)
• M51: 42,266,784 km (0.111 R)
• M52: 42,484,299 km (0.07 R)
• M53: 44,679,050 km (0.078 R)
• M54: 44,789,752 km (0.095 R)
• M55: 48,949,321 km (0.062 R)
• M56: 49,864,860 km (0.101 R)
• M57: 51,480,367 km (0.082 R)
• M58: 51,596,455 km (0.105 R)
• M59: 52,178,092 km (0.097 R)
• M60: 52,644,987 km (0.117 R)
• M61: 55,474,930 km (0.069 R)
• M62: 55,593,860 km (0.098 R)
• M63: 56,309,536 km (0.104 R)
• M64: 57,268,608 km (0.092 R)
• M65: 57,750,164 km (0.106 R)
• M66: 59,567,778 km (0.097 R)
• M67: 61,158,153 km (0.055 R)
• M68: 61,896,867 km (0.105 R)
• M69: 69,444,977 km (0.063 R)
• M70: 73,326,144 km (0.114 R)
• M71: 75,161,411 km (0.092 R)
• M72: 76,216,824 km (0.06 R)
• M73: 79,546,573 km (0.09 R)
• M74: 81,702,428 km (0.038 R)
• M75: 82,651,627 km (0.077 R)
• M76: 83,604,416 km (0.106 R)
• M77: 84,150,597 km (0.093 R)
• M78: 85,521,064 km (0.066 R)
• M79: 87,175,466 km (0.073 R)
• M80: 88,562,089 km (0.077 R)
• M81: 89,676,593 km (0.088 R)
• M82: 90,795,735 km (0.046 R)
• M83: 94,180,985 km (0.085 R)
• M84: 94,891,425 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 13,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit