🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.5 AU - 0.66 AU

Year: 161 Days

Day: 28.4 Hours

Environment

Temp: 199 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.24 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.8

Radius: 13.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.94 AU - 6.86 AU

Year: 5208 Days

Day: 5.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 95,195,732 km

• M1: 165,455 km (0.101 R)
• M2: 1,102,536 km (0.059 R)
• M3: 1,579,155 km (0.067 R)
• M4: 2,065,348 km (0.043 R)
• M5: 2,618,412 km (0.108 R)
• M6: 3,078,275 km (0.111 R)
• M7: 4,094,793 km (0.099 R)
• M8: 4,897,984 km (0.084 R)
• M9: 7,454,163 km (0.094 R)
• M10: 8,056,294 km (0.118 R)
• M11: 9,520,259 km (0.112 R)
• M12: 11,568,254 km (0.083 R)
• M13: 13,633,901 km (0.118 R)
• M14: 14,482,121 km (0.051 R)
• M15: 15,935,165 km (0.08 R)
• M16: 17,730,040 km (0.108 R)
• M17: 19,656,263 km (0.074 R)
• M18: 20,532,757 km (0.107 R)
• M19: 23,245,116 km (0.114 R)
• M20: 25,707,796 km (0.057 R)
• M21: 27,415,455 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.9

Radius: 10.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.56 AU - 6.96 AU

Year: 6388 Days

Day: 11.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,195,732 km

• M1: 128,056 km (0.049 R)
• M2: 601,383 km (0.07 R)
• M3: 928,255 km (0.101 R)
• M4: 1,320,800 km (0.064 R)
• M5: 1,988,604 km (0.06 R)
• M6: 3,177,608 km (0.061 R)
• M7: 4,038,843 km (0.109 R)
• M8: 4,704,105 km (0.097 R)
• M9: 5,660,484 km (0.027 R)
• M10: 6,494,044 km (0.079 R)
• M11: 7,331,343 km (0.109 R)
• M12: 7,795,844 km (0.117 R)
• M13: 9,993,437 km (0.073 R)
• M14: 10,324,347 km (0.101 R)
• M15: 10,662,588 km (0.078 R)
• M16: 11,108,390 km (0.106 R)
• M17: 12,575,197 km (0.116 R)
• M18: 16,276,099 km (0.097 R)
• M19: 17,816,209 km (0.09 R)
• M20: 18,871,622 km (0.117 R)
• M21: 24,609,897 km (0.109 R)
• M22: 25,564,780 km (0.111 R)
• M23: 27,733,650 km (0.07 R)
• M24: 29,245,935 km (0.086 R)
• M25: 29,632,496 km (0.097 R)
• M26: 34,648,213 km (0.105 R)
• M27: 35,081,000 km (0.104 R)
• M28: 36,290,050 km (0.113 R)
• M29: 36,624,551 km (0.029 R)
• M30: 38,907,265 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 11.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.61 AU - 8.01 AU

Year: 7932 Days

Day: 8.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 95,195,732 km

• M1: 141,819 km (0.119 R)
• M2: 578,345 km (0.064 R)
• M3: 1,036,863 km (0.111 R)
• M4: 1,725,312 km (0.042 R)
• M5: 2,268,801 km (0.075 R)
• M6: 2,905,041 km (0.036 R)
• M7: 3,435,814 km (0.093 R)
• M8: 3,794,101 km (0.111 R)
• M9: 5,338,400 km (0.046 R)
• M10: 8,169,839 km (0.074 R)
• M11: 9,062,489 km (0.108 R)
• M12: 10,019,018 km (0.067 R)
• M13: 11,041,669 km (0.074 R)
• M14: 12,916,579 km (0.077 R)
• M15: 15,593,035 km (0.117 R)
• M16: 16,021,184 km (0.104 R)
• M17: 16,836,941 km (0.098 R)
• M18: 18,619,549 km (0.096 R)
• M19: 22,017,366 km (0.104 R)
• M20: 24,472,267 km (0.038 R)
• M21: 27,016,627 km (0.114 R)
• M22: 27,723,777 km (0.049 R)
• M23: 30,107,619 km (0.03 R)
• M24: 30,963,767 km (0.119 R)
• M25: 33,326,067 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 8.9

Gravity: 11.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 9.52 AU - 14.1 AU

Year: 14750 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 95,195,732 km

• M1: 112,198 km (0.116 R)
• M2: 443,258 km (0.101 R)
• M3: 739,761 km (0.094 R)
• M4: 1,897,799 km (0.084 R)
• M5: 4,756,464 km (0.087 R)
• M6: 5,363,233 km (0.067 R)
• M7: 8,776,009 km (0.083 R)
• M8: 9,305,287 km (0.104 R)
• M9: 10,662,588 km (0.092 R)
• M10: 14,772,640 km (0.096 R)
• M11: 16,139,217 km (0.116 R)
• M12: 19,474,651 km (0.099 R)
• M13: 24,565,766 km (0.061 R)
• M14: 36,325,804 km (0.099 R)
• M15: 37,827,018 km (0.111 R)
• M16: 40,516,639 km (0.039 R)
• M17: 47,229,843 km (0.108 R)
• M18: 48,036,624 km (0.056 R)
• M19: 53,943,646 km (0.119 R)
• M20: 59,752,232 km (0.103 R)
• M21: 60,885,735 km (0.119 R)
• M22: 61,457,947 km (0.083 R)
• M23: 64,966,316 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.5

Radius: 3.7

Gravity: 68.77 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.95 AU - 17.61 AU

Year: 23873 Days

Day: 21.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 95,195,732 km

• M1: 53,556 km (0.094 R)
• M2: 367,113 km (0.117 R)
• M3: 505,342 km (0.083 R)
• M4: 978,520 km (0.062 R)
• M5: 1,737,729 km (0.071 R)
• M6: 2,003,265 km (0.038 R)
• M7: 2,248,606 km (0.095 R)
• M8: 2,799,126 km (0.099 R)
• M9: 3,019,932 km (0.113 R)
• M10: 3,163,845 km (0.12 R)
• M11: 4,338,937 km (0.027 R)
• M12: 4,597,292 km (0.119 R)
• M13: 7,401,953 km (0.105 R)
• M14: 7,824,118 km (0.1 R)
• M15: 12,742,148 km (0.105 R)
• M16: 13,424,763 km (0.1 R)
• M17: 19,488,563 km (0.086 R)
• M18: 21,856,249 km (0.056 R)
• M19: 22,832,824 km (0.072 R)
• M20: 23,164,632 km (0.096 R)
• M21: 26,176,486 km (0.119 R)
• M22: 28,408,037 km (0.11 R)
• M23: 29,964,154 km (0.108 R)
• M24: 30,897,645 km (0.098 R)
• M25: 33,103,765 km (0.095 R)
• M26: 37,365,958 km (0.115 R)
• M27: 38,446,802 km (0.091 R)
• M28: 42,979,319 km (0.119 R)
• M29: 43,484,959 km (0.067 R)
• M30: 55,639,786 km (0.119 R)
• M31: 57,454,708 km (0.118 R)
• M32: 64,887,927 km (0.072 R)
• M33: 69,410,121 km (0.074 R)
• M34: 77,323,399 km (0.099 R)
• M35: 85,284,998 km (0.078 R)
• M36: 88,236,414 km (0.054 R)
• M37: 92,090,205 km (0.085 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 18,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit