🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 13.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.48 AU - 0.74 AU

Year: 335 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,521,909 km

• M1: 172,935 km (0.059 R)
• M2: 690,544 km (0.11 R)
• M3: 1,194,240 km (0.053 R)
• M4: 1,781,860 km (0.094 R)
• M5: 2,329,089 km (0.076 R)
• M6: 2,787,756 km (0.11 R)
• M7: 3,351,591 km (0.09 R)
• M8: 3,829,855 km (0.117 R)
• M9: 4,767,684 km (0.083 R)
• M10: 5,207,801 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 13.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.58 AU - 0.76 AU

Year: 385 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,521,909 km

• M1: 165,455 km (0.115 R)
• M2: 647,460 km (0.108 R)
• M3: 1,247,796 km (0.078 R)
• M4: 1,813,425 km (0.106 R)
• M5: 2,243,968 km (0.075 R)
• M6: 2,870,334 km (0.101 R)
• M7: 3,339,922 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972

Radius: 13.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.43 AU - 1.75 AU

Year: 1409 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,521,909 km

• M1: 165,605 km (0.057 R)
• M2: 638,035 km (0.113 R)
• M3: 1,328,130 km (0.102 R)
• M4: 1,800,560 km (0.052 R)
• M5: 2,499,930 km (0.037 R)
• M6: 3,374,778 km (0.117 R)
• M7: 4,255,162 km (0.066 R)
• M8: 4,740,158 km (0.059 R)
• M9: 5,218,722 km (0.09 R)
• M10: 5,683,821 km (0.111 R)
• M11: 6,176,746 km (0.075 R)
• M12: 7,035,438 km (0.111 R)
• M13: 9,596,554 km (0.095 R)
• M14: 10,297,869 km (0.11 R)
• M15: 11,140,853 km (0.102 R)
• M16: 11,690,774 km (0.076 R)
• M17: 12,335,840 km (0.062 R)
• M18: 13,409,056 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 9.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.35 AU - 2.23 AU

Year: 1683 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,521,909 km

• M1: 120,875 km (0.049 R)
• M2: 430,842 km (0.099 R)
• M3: 1,372,411 km (0.082 R)
• M4: 1,832,873 km (0.067 R)
• M5: 3,393,329 km (0.111 R)
• M6: 4,055,598 km (0.092 R)
• M7: 4,548,972 km (0.113 R)
• M8: 4,870,757 km (0.117 R)
• M9: 7,407,189 km (0.065 R)
• M10: 7,926,294 km (0.088 R)
• M11: 8,269,172 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.7

Radius: 10.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.06 AU - 3.48 AU

Year: 4157 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,521,909 km

• M1: 141,520 km (0.098 R)
• M2: 508,034 km (0.094 R)
• M3: 946,506 km (0.092 R)
• M4: 2,379,803 km (0.096 R)
• M5: 5,046,983 km (0.063 R)
• M6: 5,492,336 km (0.07 R)
• M7: 9,420,776 km (0.091 R)
• M8: 10,261,367 km (0.084 R)
• M9: 10,934,856 km (0.096 R)
• M10: 12,183,999 km (0.033 R)
• M11: 14,079,254 km (0.107 R)
• M12: 18,690,908 km (0.099 R)
• M13: 19,823,214 km (0.118 R)
• M14: 21,067,419 km (0.097 R)
• M15: 23,638,708 km (0.065 R)
• M16: 24,367,997 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 12.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.78 AU - 5.64 AU

Year: 7185 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,521,909 km

• M1: 156,779 km (0.035 R)
• M2: 883,525 km (0.074 R)
• M3: 2,219,434 km (0.069 R)
• M4: 2,618,711 km (0.11 R)
• M5: 3,046,860 km (0.082 R)
• M6: 4,999,860 km (0.119 R)
• M7: 5,426,962 km (0.1 R)
• M8: 6,225,515 km (0.12 R)
• M9: 7,386,245 km (0.09 R)
• M10: 8,406,802 km (0.083 R)
• M11: 10,450,309 km (0.043 R)
• M12: 11,199,794 km (0.106 R)
• M13: 12,085,414 km (0.07 R)
• M14: 12,911,343 km (0.107 R)
• M15: 13,885,076 km (0.115 R)
• M16: 16,910,543 km (0.118 R)
• M17: 18,208,754 km (0.062 R)
• M18: 18,882,393 km (0.088 R)
• M19: 21,519,803 km (0.114 R)
• M20: 21,969,494 km (0.108 R)
• M21: 23,514,093 km (0.089 R)
• M22: 24,801,083 km (0.088 R)
• M23: 27,252,543 km (0.115 R)
• M24: 29,308,467 km (0.11 R)
• M25: 30,609,370 km (0.09 R)
• M26: 32,142,898 km (0.111 R)
• M27: 33,226,585 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.3

Radius: 11

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.82 AU - 6.34 AU

Year: 8048 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,521,909 km

• M1: 144,063 km (0.105 R)
• M2: 703,409 km (0.112 R)
• M3: 1,109,867 km (0.076 R)
• M4: 1,542,952 km (0.102 R)
• M5: 2,372,622 km (0.106 R)
• M6: 3,062,119 km (0.075 R)
• M7: 3,431,925 km (0.12 R)
• M8: 3,807,266 km (0.089 R)
• M9: 4,697,373 km (0.094 R)
• M10: 5,688,758 km (0.117 R)
• M11: 8,001,392 km (0.042 R)
• M12: 9,916,244 km (0.078 R)
• M13: 10,633,865 km (0.059 R)
• M14: 16,137,122 km (0.109 R)
• M15: 17,538,406 km (0.07 R)
• M16: 18,802,657 km (0.109 R)
• M17: 19,457,148 km (0.096 R)
• M18: 19,976,552 km (0.11 R)
• M19: 20,657,970 km (0.114 R)
• M20: 21,198,617 km (0.077 R)
• M21: 21,907,711 km (0.107 R)
• M22: 22,389,117 km (0.063 R)
• M23: 24,300,229 km (0.05 R)
• M24: 25,427,300 km (0.118 R)
• M25: 26,227,648 km (0.074 R)
• M26: 27,599,012 km (0.058 R)
• M27: 32,308,652 km (0.067 R)
• M28: 34,097,394 km (0.115 R)
• M29: 36,959,800 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.6

Radius: 6.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.47 AU - 6.57 AU

Year: 9116 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,521,909 km

• M1: 85,720 km (0.091 R)
• M2: 315,203 km (0.055 R)
• M3: 539,600 km (0.094 R)
• M4: 1,212,640 km (0.108 R)
• M5: 1,516,773 km (0.078 R)
• M6: 2,212,852 km (0.038 R)
• M7: 2,595,822 km (0.098 R)
• M8: 2,921,347 km (0.105 R)
• M9: 3,295,491 km (0.084 R)
• M10: 4,694,082 km (0.036 R)
• M11: 5,207,951 km (0.117 R)
• M12: 5,540,058 km (0.103 R)
• M13: 5,918,241 km (0.069 R)
• M14: 7,682,748 km (0.045 R)
• M15: 8,274,109 km (0.119 R)
• M16: 11,899,164 km (0.042 R)
• M17: 12,263,884 km (0.093 R)
• M18: 13,571,668 km (0.058 R)
• M19: 14,085,238 km (0.083 R)
• M20: 14,317,713 km (0.091 R)
• M21: 14,671,063 km (0.119 R)
• M22: 16,397,423 km (0.086 R)
• M23: 16,914,582 km (0.058 R)
• M24: 21,374,095 km (0.09 R)
• M25: 23,585,600 km (0.083 R)
• M26: 27,997,840 km (0.09 R)
• M27: 28,829,604 km (0.04 R)
• M28: 29,204,496 km (0.091 R)
• M29: 34,695,037 km (0.116 R)
• M30: 35,869,979 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 13,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit