🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 12.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,019,971 km

• M1: 409,749 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.55 AU - 0.59 AU

Year: 274 Days

Day: 14.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 281 Days

Day: 27.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,019,971 km

• M1: 28,424 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.4

Radius: 10

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.89 AU - 1.01 AU

Year: 589 Days

Day: 14.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 23,019,971 km

• M1: 178,021 km (0.111 R)
• M2: 285,582 km (0.026 R)
• M3: 354,248 km (0.083 R)
• M4: 458,966 km (0.099 R)
• M5: 535,560 km (0.093 R)
• M6: 674,686 km (0.086 R)
• M7: 764,296 km (0.043 R)
• M8: 979,118 km (0.114 R)
• M9: 1,059,003 km (0.103 R)
• M10: 1,135,298 km (0.12 R)
• M11: 1,287,589 km (0.05 R)
• M12: 1,446,761 km (0.028 R)
• M13: 1,532,331 km (0.082 R)
• M14: 1,612,665 km (0.064 R)
• M15: 2,029,146 km (0.083 R)
• M16: 2,162,886 km (0.106 R)
• M17: 2,261,321 km (0.091 R)
• M18: 2,400,148 km (0.118 R)
• M19: 2,494,395 km (0.116 R)
• M20: 2,621,852 km (0.08 R)
• M21: 2,743,475 km (0.093 R)
• M22: 2,825,605 km (0.08 R)
• M23: 3,042,970 km (0.056 R)
• M24: 3,196,607 km (0.092 R)
• M25: 3,476,355 km (0.106 R)
• M26: 3,592,294 km (0.114 R)
• M27: 3,745,931 km (0.114 R)
• M28: 3,920,212 km (0.108 R)
• M29: 4,031,663 km (0.085 R)
• M30: 4,134,736 km (0.03 R)
• M31: 4,238,706 km (0.105 R)
• M32: 4,410,893 km (0.069 R)
• M33: 4,507,384 km (0.117 R)
• M34: 4,575,451 km (0.112 R)
• M35: 4,752,126 km (0.108 R)
• M36: 4,831,263 km (0.032 R)
• M37: 4,950,942 km (0.092 R)
• M38: 5,285,143 km (0.114 R)
• M39: 5,377,595 km (0.105 R)
• M40: 5,616,203 km (0.088 R)
• M41: 6,018,322 km (0.058 R)
• M42: 6,342,351 km (0.056 R)
• M43: 6,440,637 km (0.088 R)
• M44: 6,827,796 km (0.035 R)
• M45: 6,906,186 km (0.068 R)
• M46: 7,109,040 km (0.118 R)
• M47: 7,279,582 km (0.093 R)
• M48: 7,532,253 km (0.073 R)
• M49: 7,601,666 km (0.05 R)
• M50: 7,940,206 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.1

Radius: 10.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.13 AU - 1.33 AU

Year: 867 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 23,019,971 km

• M1: 146,606 km (0.047 R)
• M2: 216,019 km (0.062 R)
• M3: 306,077 km (0.108 R)
• M4: 378,483 km (0.06 R)
• M5: 448,046 km (0.095 R)
• M6: 534,812 km (0.105 R)
• M7: 679,922 km (0.109 R)
• M8: 829,670 km (0.098 R)
• M9: 901,626 km (0.049 R)
• M10: 986,000 km (0.088 R)
• M11: 1,212,192 km (0.094 R)
• M12: 1,328,878 km (0.102 R)
• M13: 1,431,951 km (0.088 R)
• M14: 1,532,032 km (0.078 R)
• M15: 1,821,055 km (0.09 R)
• M16: 1,917,097 km (0.064 R)
• M17: 2,028,098 km (0.098 R)
• M18: 2,127,731 km (0.063 R)
• M19: 2,222,426 km (0.098 R)
• M20: 2,325,349 km (0.077 R)
• M21: 2,658,504 km (0.115 R)
• M22: 2,812,290 km (0.095 R)
• M23: 2,901,600 km (0.058 R)
• M24: 2,976,698 km (0.118 R)
• M25: 3,229,369 km (0.104 R)
• M26: 3,377,920 km (0.114 R)
• M27: 3,480,993 km (0.04 R)
• M28: 3,552,949 km (0.07 R)
• M29: 3,706,586 km (0.064 R)
• M30: 3,862,467 km (0.037 R)
• M31: 3,961,950 km (0.111 R)
• M32: 4,206,243 km (0.115 R)
• M33: 4,394,737 km (0.118 R)
• M34: 4,490,180 km (0.116 R)
• M35: 4,594,899 km (0.092 R)
• M36: 4,753,772 km (0.055 R)
• M37: 4,833,806 km (0.041 R)
• M38: 4,932,242 km (0.065 R)
• M39: 5,040,551 km (0.055 R)
• M40: 5,213,486 km (0.119 R)
• M41: 5,360,690 km (0.114 R)
• M42: 5,518,665 km (0.063 R)
• M43: 5,640,438 km (0.068 R)
• M44: 5,772,683 km (0.072 R)
• M45: 6,078,760 km (0.097 R)
• M46: 6,194,997 km (0.09 R)
• M47: 6,360,901 km (0.111 R)
• M48: 6,757,037 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.2

Radius: 14.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.25 AU - 1.77 AU

Year: 1180 Days

Day: 10.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 23,019,971 km

• M1: 184,903 km (0.088 R)
• M2: 277,654 km (0.087 R)
• M3: 423,960 km (0.075 R)
• M4: 528,529 km (0.106 R)
• M5: 650,152 km (0.094 R)
• M6: 874,250 km (0.114 R)
• M7: 981,512 km (0.115 R)
• M8: 1,093,860 km (0.072 R)
• M9: 1,224,459 km (0.116 R)
• M10: 1,339,799 km (0.042 R)
• M11: 1,538,465 km (0.12 R)
• M12: 1,709,455 km (0.084 R)
• M13: 1,824,496 km (0.083 R)
• M14: 2,014,186 km (0.107 R)
• M15: 2,219,135 km (0.045 R)
• M16: 2,413,911 km (0.096 R)
• M17: 2,544,061 km (0.09 R)
• M18: 2,784,615 km (0.105 R)
• M19: 2,903,096 km (0.097 R)
• M20: 3,023,523 km (0.086 R)
• M21: 3,173,868 km (0.091 R)
• M22: 3,278,737 km (0.098 R)
• M23: 3,492,213 km (0.043 R)
• M24: 3,670,234 km (0.076 R)
• M25: 3,770,465 km (0.092 R)
• M26: 3,922,606 km (0.108 R)
• M27: 4,076,991 km (0.094 R)
• M28: 4,285,829 km (0.046 R)
• M29: 4,595,048 km (0.057 R)
• M30: 4,878,686 km (0.103 R)
• M31: 5,224,406 km (0.029 R)
• M32: 5,555,167 km (0.085 R)
• M33: 5,729,000 km (0.098 R)
• M34: 5,834,167 km (0.117 R)
• M35: 5,940,083 km (0.08 R)
• M36: 6,034,629 km (0.077 R)
• M37: 6,261,419 km (0.094 R)
• M38: 6,454,550 km (0.097 R)
• M39: 6,859,362 km (0.116 R)
• M40: 6,971,111 km (0.109 R)
• M41: 7,361,113 km (0.119 R)
• M42: 7,565,164 km (0.087 R)
• M43: 7,848,951 km (0.082 R)
• M44: 8,031,311 km (0.101 R)
• M45: 8,215,167 km (0.117 R)
• M46: 8,347,262 km (0.078 R)
• M47: 8,440,162 km (0.084 R)
• M48: 8,573,604 km (0.112 R)
• M49: 8,815,503 km (0.045 R)
• M50: 9,018,807 km (0.081 R)
• M51: 9,182,467 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 11.4

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.26 AU - 3.36 AU

Year: 2995 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 23,019,971 km

• M1: 171,888 km (0.104 R)
• M2: 266,583 km (0.108 R)
• M3: 367,412 km (0.105 R)
• M4: 749,186 km (0.041 R)
• M5: 822,339 km (0.073 R)
• M6: 909,106 km (0.093 R)
• M7: 1,201,720 km (0.048 R)
• M8: 1,405,023 km (0.089 R)
• M9: 1,564,943 km (0.065 R)
• M10: 1,991,896 km (0.07 R)
• M11: 2,234,244 km (0.089 R)
• M12: 2,327,743 km (0.079 R)
• M13: 2,764,718 km (0.091 R)
• M14: 2,933,165 km (0.095 R)
• M15: 3,087,700 km (0.114 R)
• M16: 3,262,730 km (0.108 R)
• M17: 3,387,195 km (0.079 R)
• M18: 3,696,264 km (0.079 R)
• M19: 4,052,457 km (0.083 R)
• M20: 4,419,869 km (0.103 R)
• M21: 4,538,051 km (0.106 R)
• M22: 4,798,053 km (0.03 R)
• M23: 5,416,490 km (0.112 R)
• M24: 5,799,760 km (0.037 R)
• M25: 5,929,611 km (0.073 R)
• M26: 6,016,527 km (0.084 R)
• M27: 6,192,005 km (0.103 R)
• M28: 6,280,268 km (0.041 R)
• M29: 6,435,850 km (0.088 R)
• M30: 6,728,164 km (0.081 R)
• M31: 7,186,532 km (0.114 R)
• M32: 7,302,770 km (0.112 R)
• M33: 7,396,119 km (0.044 R)
• M34: 7,893,083 km (0.084 R)
• M35: 7,965,039 km (0.032 R)
• M36: 8,061,231 km (0.062 R)
• M37: 8,206,191 km (0.096 R)
• M38: 8,400,818 km (0.074 R)
• M39: 8,498,805 km (0.09 R)
• M40: 8,745,342 km (0.105 R)
• M41: 9,575,610 km (0.113 R)
• M42: 10,039,064 km (0.09 R)
• M43: 10,483,520 km (0.088 R)
• M44: 10,827,744 km (0.119 R)
• M45: 11,582,017 km (0.071 R)
• M46: 11,773,203 km (0.032 R)
• M47: 12,576,394 km (0.083 R)
• M48: 12,885,762 km (0.114 R)
• M49: 13,655,742 km (0.103 R)
• M50: 13,742,210 km (0.106 R)
• M51: 13,857,700 km (0.034 R)
• M52: 14,499,175 km (0.063 R)
• M53: 14,794,033 km (0.054 R)
• M54: 15,539,778 km (0.103 R)
• M55: 15,660,204 km (0.081 R)
• M56: 15,902,104 km (0.109 R)
• M57: 16,114,683 km (0.108 R)
• M58: 16,236,605 km (0.104 R)
• M59: 17,285,436 km (0.087 R)
• M60: 17,503,998 km (0.069 R)
• M61: 17,629,361 km (0.067 R)
• M62: 17,880,985 km (0.104 R)
• M63: 18,133,805 km (0.111 R)
• M64: 18,675,050 km (0.11 R)
• M65: 18,835,270 km (0.081 R)
• M66: 18,931,461 km (0.05 R)
• M67: 19,577,873 km (0.077 R)
• M68: 21,158,674 km (0.106 R)
• M69: 21,359,135 km (0.085 R)
• M70: 21,661,173 km (0.045 R)
• M71: 22,371,015 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit