🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 11.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.27 AU - 1.53 AU

Year: 1087 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,330,086 km

• M1: 138,079 km (0.045 R)
• M2: 595,998 km (0.079 R)
• M3: 1,238,521 km (0.074 R)
• M4: 1,835,416 km (0.058 R)
• M5: 3,270,658 km (0.092 R)
• M6: 3,814,596 km (0.089 R)
• M7: 4,295,254 km (0.059 R)
• M8: 5,253,578 km (0.085 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487

Radius: 6

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.51 AU - 7.93 AU

Year: 11428 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 67.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,330,086 km

• M1: 74,799 km (0.086 R)
• M2: 351,405 km (0.109 R)
• M3: 585,376 km (0.056 R)
• M4: 1,225,057 km (0.111 R)
• M5: 1,893,460 km (0.085 R)
• M6: 3,175,963 km (0.069 R)
• M7: 4,589,363 km (0.04 R)
• M8: 4,860,136 km (0.112 R)
• M9: 5,533,775 km (0.11 R)
• M10: 6,601,305 km (0.044 R)
• M11: 6,907,831 km (0.092 R)
• M12: 7,304,266 km (0.109 R)
• M13: 7,927,191 km (0.037 R)
• M14: 11,201,440 km (0.106 R)
• M15: 12,660,767 km (0.102 R)
• M16: 13,804,293 km (0.098 R)
• M17: 15,278,730 km (0.09 R)
• M18: 15,612,632 km (0.104 R)
• M19: 17,211,534 km (0.087 R)
• M20: 24,248,169 km (0.112 R)
• M21: 26,005,047 km (0.112 R)
• M22: 35,140,689 km (0.079 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 6.5

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.37 AU - 7.35 AU

Year: 11787 Days

Day: 21.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,330,086 km

• M1: 80,783 km (0.066 R)
• M2: 298,448 km (0.083 R)
• M3: 589,715 km (0.036 R)
• M4: 819,796 km (0.105 R)
• M5: 1,099,245 km (0.068 R)
• M6: 2,514,740 km (0.064 R)
• M7: 3,852,295 km (0.104 R)
• M8: 4,068,314 km (0.047 R)
• M9: 4,524,588 km (0.112 R)
• M10: 5,338,400 km (0.119 R)
• M11: 6,544,608 km (0.088 R)
• M12: 6,813,884 km (0.048 R)
• M13: 7,457,304 km (0.107 R)
• M14: 7,708,778 km (0.05 R)
• M15: 8,725,595 km (0.064 R)
• M16: 9,729,397 km (0.064 R)
• M17: 10,440,136 km (0.114 R)
• M18: 11,570,199 km (0.047 R)
• M19: 12,251,467 km (0.116 R)
• M20: 15,994,556 km (0.084 R)
• M21: 16,203,095 km (0.066 R)
• M22: 16,413,280 km (0.074 R)
• M23: 21,429,895 km (0.097 R)
• M24: 22,110,266 km (0.108 R)
• M25: 26,016,266 km (0.113 R)
• M26: 26,595,360 km (0.086 R)
• M27: 31,324,747 km (0.102 R)
• M28: 32,422,197 km (0.115 R)
• M29: 35,987,114 km (0.064 R)
• M30: 37,556,845 km (0.038 R)
• M31: 42,939,526 km (0.086 R)
• M32: 46,658,379 km (0.092 R)
• M33: 46,942,017 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.8

Radius: 3.3

Gravity: 73.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.8 AU - 7.36 AU

Year: 12358 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,330,086 km

• M1: 43,383 km (0.11 R)
• M2: 159,771 km (0.108 R)
• M3: 426,354 km (0.094 R)
• M4: 593,604 km (0.106 R)
• M5: 1,802,206 km (0.084 R)
• M6: 2,240,677 km (0.096 R)
• M7: 2,484,821 km (0.094 R)
• M8: 5,325,235 km (0.087 R)
• M9: 8,772,270 km (0.099 R)
• M10: 9,688,706 km (0.106 R)
• M11: 12,194,321 km (0.093 R)
• M12: 13,009,928 km (0.084 R)
• M13: 13,138,583 km (0.085 R)
• M14: 17,094,100 km (0.11 R)
• M15: 17,481,558 km (0.081 R)
• M16: 17,717,025 km (0.118 R)
• M17: 18,597,858 km (0.091 R)
• M18: 19,507,712 km (0.116 R)
• M19: 21,956,629 km (0.083 R)
• M20: 23,922,196 km (0.042 R)
• M21: 24,309,504 km (0.118 R)
• M22: 27,878,012 km (0.093 R)
• M23: 28,849,052 km (0.026 R)
• M24: 29,508,629 km (0.068 R)
• M25: 32,248,215 km (0.111 R)
• M26: 32,602,163 km (0.115 R)
• M27: 32,839,425 km (0.1 R)
• M28: 33,679,417 km (0.056 R)
• M29: 36,031,246 km (0.069 R)
• M30: 37,053,298 km (0.066 R)
• M31: 39,963,725 km (0.096 R)
• M32: 40,235,544 km (0.077 R)
• M33: 45,048,407 km (0.045 R)
• M34: 48,977,445 km (0.09 R)
• M35: 49,288,908 km (0.078 R)
• M36: 52,312,879 km (0.093 R)
• M37: 57,335,778 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 4.7

Gravity: 28.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.01 AU - 8.93 AU

Year: 14760 Days

Day: 21.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,330,086 km

• M1: 58,493 km (0.086 R)
• M2: 287,228 km (0.068 R)
• M3: 446,250 km (0.099 R)
• M4: 674,387 km (0.075 R)
• M5: 1,410,110 km (0.109 R)
• M6: 1,735,036 km (0.118 R)
• M7: 2,406,581 km (0.117 R)
• M8: 4,062,330 km (0.063 R)
• M9: 5,088,272 km (0.103 R)
• M10: 13,604,879 km (0.069 R)
• M11: 15,710,619 km (0.075 R)
• M12: 16,306,916 km (0.039 R)
• M13: 22,837,162 km (0.08 R)
• M14: 28,113,928 km (0.105 R)
• M15: 29,774,763 km (0.059 R)
• M16: 35,527,101 km (0.104 R)
• M17: 37,334,692 km (0.12 R)
• M18: 38,394,593 km (0.11 R)
• M19: 42,405,012 km (0.083 R)
• M20: 43,558,562 km (0.046 R)
• M21: 56,093,816 km (0.114 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: 445 - 19,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit