🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 181 Days

Day: 20.6 Hours

Environment

Temp: 203 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,380,476 km

• M1: 35,305 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.01 AU - 1.61 AU

Year: 556 Days

Day: 18.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 13.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.06 AU - 7.94 AU

Year: 7617 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,380,476 km

• M1: 170,990 km (0.096 R)
• M2: 951,742 km (0.115 R)
• M3: 1,482,814 km (0.092 R)
• M4: 2,161,839 km (0.057 R)
• M5: 3,062,418 km (0.119 R)
• M6: 4,253,217 km (0.044 R)
• M7: 4,779,502 km (0.115 R)
• M8: 5,349,321 km (0.096 R)
• M9: 5,964,168 km (0.058 R)
• M10: 6,482,525 km (0.097 R)
• M11: 12,103,964 km (0.077 R)
• M12: 14,534,929 km (0.108 R)
• M13: 15,670,377 km (0.105 R)
• M14: 16,193,670 km (0.093 R)
• M15: 19,061,013 km (0.082 R)
• M16: 20,809,961 km (0.096 R)
• M17: 22,251,486 km (0.11 R)
• M18: 23,758,685 km (0.056 R)
• M19: 24,275,994 km (0.097 R)
• M20: 25,601,880 km (0.078 R)
• M21: 26,604,635 km (0.073 R)
• M22: 27,162,485 km (0.118 R)
• M23: 28,301,673 km (0.083 R)
• M24: 30,573,915 km (0.083 R)
• M25: 31,495,289 km (0.082 R)
• M26: 34,370,560 km (0.097 R)
• M27: 35,703,177 km (0.07 R)
• M28: 37,185,244 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.5

Radius: 3.7

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 11.29 AU - 13.05 AU

Year: 15745 Days

Day: 22 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,380,476 km

• M1: 46,076 km (0.114 R)
• M2: 192,532 km (0.109 R)
• M3: 394,938 km (0.103 R)
• M4: 613,351 km (0.11 R)
• M5: 1,365,081 km (0.067 R)
• M6: 1,651,710 km (0.045 R)
• M7: 2,043,806 km (0.08 R)
• M8: 2,692,911 km (0.039 R)
• M9: 3,421,154 km (0.114 R)
• M10: 3,615,781 km (0.034 R)
• M11: 4,821,539 km (0.065 R)
• M12: 6,600,856 km (0.072 R)
• M13: 7,018,384 km (0.114 R)
• M14: 8,730,083 km (0.104 R)
• M15: 9,093,755 km (0.112 R)
• M16: 9,754,380 km (0.108 R)
• M17: 10,752,796 km (0.034 R)
• M18: 12,150,040 km (0.119 R)
• M19: 12,318,637 km (0.108 R)
• M20: 14,091,970 km (0.096 R)
• M21: 16,163,302 km (0.078 R)
• M22: 16,435,720 km (0.116 R)
• M23: 16,573,051 km (0.108 R)
• M24: 17,059,692 km (0.086 R)
• M25: 22,378,345 km (0.059 R)
• M26: 22,972,847 km (0.12 R)
• M27: 24,281,679 km (0.11 R)
• M28: 26,572,471 km (0.066 R)
• M29: 29,304,428 km (0.106 R)
• M30: 29,709,389 km (0.097 R)
• M31: 30,842,294 km (0.091 R)
• M32: 31,790,296 km (0.102 R)
• M33: 35,547,296 km (0.078 R)
• M34: 38,370,358 km (0.085 R)
• M35: 38,976,828 km (0.095 R)
• M36: 41,466,286 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.6

Radius: 6.4

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 12.34 AU - 18.24 AU

Year: 22173 Days

Day: 21.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,380,476 km

• M1: 94,546 km (0.118 R)
• M2: 656,735 km (0.1 R)
• M3: 1,006,943 km (0.118 R)
• M4: 1,564,794 km (0.043 R)
• M5: 2,045,452 km (0.061 R)
• M6: 2,410,770 km (0.083 R)
• M7: 2,620,057 km (0.113 R)
• M8: 4,232,124 km (0.092 R)
• M9: 4,728,639 km (0.073 R)
• M10: 8,318,988 km (0.037 R)
• M11: 10,190,457 km (0.096 R)
• M12: 12,760,998 km (0.092 R)
• M13: 13,465,304 km (0.06 R)
• M14: 13,860,243 km (0.074 R)
• M15: 17,226,195 km (0.104 R)
• M16: 22,265,848 km (0.11 R)
• M17: 23,758,984 km (0.064 R)
• M18: 27,993,801 km (0.032 R)
• M19: 33,299,588 km (0.102 R)
• M20: 35,248,400 km (0.066 R)
• M21: 45,697,961 km (0.095 R)
• M22: 52,022,510 km (0.106 R)
• M23: 53,484,829 km (0.104 R)
• M24: 54,974,375 km (0.095 R)
• M25: 56,491,447 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.9

Radius: 6

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.97 AU - 20.43 AU

Year: 26454 Days

Day: 19.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,380,476 km

• M1: 74,649 km (0.111 R)
• M2: 381,175 km (0.075 R)
• M3: 570,865 km (0.113 R)
• M4: 1,156,541 km (0.106 R)
• M5: 1,571,825 km (0.062 R)
• M6: 1,959,882 km (0.098 R)
• M7: 2,319,216 km (0.096 R)
• M8: 3,086,503 km (0.083 R)
• M9: 5,147,064 km (0.103 R)
• M10: 6,573,031 km (0.045 R)
• M11: 11,316,780 km (0.092 R)
• M12: 11,916,667 km (0.049 R)
• M13: 12,121,167 km (0.097 R)
• M14: 14,998,383 km (0.086 R)
• M15: 15,885,648 km (0.105 R)
• M16: 17,411,995 km (0.068 R)
• M17: 18,848,584 km (0.026 R)
• M18: 19,785,515 km (0.077 R)
• M19: 20,265,425 km (0.054 R)
• M20: 21,448,894 km (0.09 R)
• M21: 23,309,592 km (0.098 R)
• M22: 27,467,067 km (0.097 R)
• M23: 27,704,927 km (0.044 R)
• M24: 29,782,393 km (0.104 R)
• M25: 33,698,117 km (0.091 R)
• M26: 35,355,961 km (0.113 R)
• M27: 37,212,470 km (0.111 R)
• M28: 46,122,819 km (0.11 R)
• M29: 49,032,049 km (0.065 R)
• M30: 52,061,405 km (0.029 R)
• M31: 53,900,412 km (0.107 R)
• M32: 61,486,520 km (0.092 R)
• M33: 61,893,725 km (0.036 R)
• M34: 65,851,636 km (0.105 R)
• M35: 72,439,328 km (0.059 R)
• M36: 75,892,047 km (0.071 R)
• M37: 77,066,989 km (0.112 R)
• M38: 80,664,069 km (0.068 R)
• M39: 81,396,800 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 11,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit