🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.9

Radius: 12.6

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 14.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 177.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,594,637 km

• M1: 156,629 km (0.096 R)
• M2: 460,313 km (0.084 R)
• M3: 702,512 km (0.09 R)
• M4: 951,592 km (0.067 R)
• M5: 1,221,467 km (0.066 R)
• M6: 1,521,111 km (0.109 R)
• M7: 1,762,263 km (0.086 R)
• M8: 2,011,942 km (0.116 R)
• M9: 2,767,860 km (0.086 R)
• M10: 3,111,935 km (0.041 R)
• M11: 3,614,135 km (0.102 R)
• M12: 4,106,312 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 13

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.63 AU - 0.71 AU

Year: 372 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,594,637 km

• M1: 190,737 km (0.118 R)
• M2: 612,154 km (0.027 R)
• M3: 877,541 km (0.056 R)
• M4: 1,160,281 km (0.1 R)
• M5: 1,480,121 km (0.105 R)
• M6: 1,766,751 km (0.086 R)
• M7: 2,034,082 km (0.084 R)
• M8: 2,444,280 km (0.063 R)
• M9: 2,698,746 km (0.068 R)
• M10: 2,966,825 km (0.098 R)
• M11: 3,240,589 km (0.115 R)
• M12: 3,769,118 km (0.077 R)
• M13: 4,295,254 km (0.094 R)
• M14: 4,819,894 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 10.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.81 AU - 1.25 AU

Year: 709 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,594,637 km

• M1: 128,056 km (0.079 R)
• M2: 462,108 km (0.094 R)
• M3: 890,706 km (0.12 R)
• M4: 1,165,816 km (0.078 R)
• M5: 1,402,330 km (0.094 R)
• M6: 2,087,189 km (0.042 R)
• M7: 2,695,305 km (0.087 R)
• M8: 3,244,030 km (0.109 R)
• M9: 3,727,979 km (0.104 R)
• M10: 4,327,567 km (0.068 R)
• M11: 4,528,328 km (0.109 R)
• M12: 4,781,298 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 14.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.15 AU - 1.31 AU

Year: 925 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,594,637 km

• M1: 187,446 km (0.042 R)
• M2: 505,641 km (0.115 R)
• M3: 808,726 km (0.067 R)
• M4: 1,094,458 km (0.089 R)
• M5: 1,561,054 km (0.075 R)
• M6: 2,141,494 km (0.083 R)
• M7: 2,595,074 km (0.084 R)
• M8: 3,242,534 km (0.115 R)
• M9: 3,511,212 km (0.077 R)
• M10: 4,438,270 km (0.048 R)
• M11: 4,753,921 km (0.1 R)
• M12: 5,153,347 km (0.117 R)
• M13: 5,448,953 km (0.064 R)
• M14: 5,877,102 km (0.08 R)
• M15: 6,633,319 km (0.113 R)
• M16: 7,865,108 km (0.072 R)
• M17: 8,380,473 km (0.118 R)
• M18: 8,739,657 km (0.115 R)
• M19: 9,087,173 km (0.093 R)
• M20: 9,561,099 km (0.114 R)
• M21: 10,566,846 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 10

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.39 AU - 2.19 AU

Year: 1624 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,594,637 km

• M1: 371,751 km (0.049 R)
• M2: 787,633 km (0.106 R)
• M3: 1,013,376 km (0.093 R)
• M4: 1,746,256 km (0.113 R)
• M5: 2,206,419 km (0.108 R)
• M6: 2,804,062 km (0.055 R)
• M7: 3,348,150 km (0.028 R)
• M8: 3,899,867 km (0.109 R)
• M9: 7,267,913 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 4.9

Gravity: 37.52 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.78 AU - 8.62 AU

Year: 14492 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,594,637 km

• M1: 1,196,484 km (0.104 R)
• M2: 1,824,346 km (0.079 R)
• M3: 1,934,899 km (0.105 R)
• M4: 2,213,899 km (0.041 R)
• M5: 2,912,371 km (0.113 R)
• M6: 3,166,837 km (0.054 R)
• M7: 3,615,481 km (0.119 R)
• M8: 6,189,163 km (0.03 R)
• M9: 6,352,524 km (0.039 R)
• M10: 8,720,808 km (0.094 R)
• M11: 9,110,959 km (0.075 R)
• M12: 9,359,292 km (0.076 R)
• M13: 9,814,668 km (0.091 R)
• M14: 12,775,359 km (0.065 R)
• M15: 13,069,319 km (0.088 R)
• M16: 13,187,950 km (0.105 R)
• M17: 14,217,034 km (0.079 R)
• M18: 14,652,214 km (0.12 R)
• M19: 18,020,709 km (0.061 R)
• M20: 18,651,414 km (0.05 R)
• M21: 20,165,494 km (0.111 R)
• M22: 21,132,494 km (0.066 R)
• M23: 23,371,376 km (0.1 R)
• M24: 24,736,457 km (0.039 R)
• M25: 38,260,852 km (0.088 R)
• M26: 40,106,591 km (0.092 R)
• M27: 43,279,412 km (0.081 R)
• M28: 44,037,125 km (0.085 R)
• M29: 47,246,448 km (0.05 R)
• M30: 49,872,041 km (0.088 R)
• M31: 50,452,331 km (0.118 R)
• M32: 57,304,063 km (0.037 R)
• M33: 59,179,721 km (0.074 R)
• M34: 61,985,429 km (0.092 R)
• M35: 65,252,646 km (0.034 R)
• M36: 66,583,020 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.5

Radius: 7.4

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.06 AU - 12 AU

Year: 21545 Days

Day: 16.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,594,637 km

• M1: 108,159 km (0.108 R)
• M2: 324,179 km (0.117 R)
• M3: 791,373 km (0.076 R)
• M4: 1,362,537 km (0.105 R)
• M5: 1,665,623 km (0.073 R)
• M6: 1,829,283 km (0.09 R)
• M7: 2,480,034 km (0.11 R)
• M8: 3,911,536 km (0.104 R)
• M9: 6,071,130 km (0.069 R)
• M10: 6,340,855 km (0.103 R)
• M11: 9,476,128 km (0.094 R)
• M12: 10,860,357 km (0.096 R)
• M13: 11,342,959 km (0.059 R)
• M14: 11,526,516 km (0.109 R)
• M15: 13,712,290 km (0.036 R)
• M16: 14,876,760 km (0.098 R)
• M17: 15,512,551 km (0.104 R)
• M18: 16,528,321 km (0.032 R)
• M19: 18,189,755 km (0.066 R)
• M20: 18,892,565 km (0.049 R)
• M21: 23,215,046 km (0.102 R)
• M22: 25,452,283 km (0.12 R)
• M23: 32,265,867 km (0.099 R)
• M24: 33,410,141 km (0.107 R)
• M25: 37,739,952 km (0.068 R)
• M26: 41,044,420 km (0.106 R)
• M27: 56,195,243 km (0.105 R)
• M28: 59,370,907 km (0.077 R)
• M29: 66,132,282 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.6

Radius: 6.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9 AU - 12.4 AU

Year: 23739 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,594,637 km

• M1: 82,428 km (0.114 R)
• M2: 252,970 km (0.104 R)
• M3: 1,302,549 km (0.069 R)
• M4: 3,086,653 km (0.107 R)
• M5: 3,933,377 km (0.096 R)
• M6: 4,380,674 km (0.065 R)
• M7: 4,692,586 km (0.027 R)
• M8: 7,742,587 km (0.113 R)
• M9: 8,283,384 km (0.054 R)
• M10: 8,711,832 km (0.031 R)
• M11: 9,106,770 km (0.1 R)
• M12: 10,439,687 km (0.047 R)
• M13: 11,763,030 km (0.054 R)
• M14: 14,367,679 km (0.05 R)
• M15: 14,535,677 km (0.109 R)
• M16: 19,441,739 km (0.099 R)
• M17: 26,334,012 km (0.066 R)
• M18: 32,148,732 km (0.073 R)
• M19: 36,377,565 km (0.062 R)
• M20: 46,020,195 km (0.111 R)
• M21: 47,533,826 km (0.119 R)
• M22: 52,756,736 km (0.055 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 11,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit