🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 8.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 14.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,472,851 km

• M1: 108,159 km (0.084 R)
• M2: 423,063 km (0.112 R)
• M3: 704,157 km (0.076 R)
• M4: 1,034,170 km (0.072 R)
• M5: 1,387,520 km (0.079 R)
• M6: 1,661,284 km (0.056 R)
• M7: 2,305,453 km (0.049 R)
• M8: 3,333,789 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.8

Radius: 9.9

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.26 AU - 1.3 AU

Year: 1000 Days

Day: 9 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,472,851 km

• M1: 123,119 km (0.115 R)
• M2: 442,511 km (0.093 R)
• M3: 825,331 km (0.099 R)
• M4: 1,246,599 km (0.076 R)
• M5: 2,197,892 km (0.058 R)
• M6: 2,593,728 km (0.099 R)
• M7: 3,214,110 km (0.071 R)
• M8: 3,665,447 km (0.061 R)
• M9: 3,994,862 km (0.085 R)
• M10: 4,361,227 km (0.063 R)
• M11: 4,768,283 km (0.098 R)
• M12: 5,278,411 km (0.046 R)
• M13: 6,014,732 km (0.083 R)
• M14: 6,385,585 km (0.077 R)
• M15: 6,864,747 km (0.108 R)
• M16: 7,921,058 km (0.057 R)
• M17: 8,394,086 km (0.064 R)
• M18: 9,138,784 km (0.064 R)
• M19: 9,807,487 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.9

Radius: 8.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.22 AU - 1.34 AU

Year: 1000 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,472,851 km

• M1: 103,223 km (0.084 R)
• M2: 400,174 km (0.109 R)
• M3: 681,418 km (0.084 R)
• M4: 1,334,712 km (0.096 R)
• M5: 1,726,210 km (0.064 R)
• M6: 2,078,812 km (0.106 R)
• M7: 2,425,131 km (0.102 R)
• M8: 3,106,250 km (0.102 R)
• M9: 4,534,760 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 14.2

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2 AU - 2.04 AU

Year: 1982 Days

Day: 8.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,472,851 km

• M1: 176,675 km (0.094 R)
• M2: 653,743 km (0.077 R)
• M3: 1,114,205 km (0.082 R)
• M4: 1,599,650 km (0.064 R)
• M5: 2,095,417 km (0.109 R)
• M6: 2,541,518 km (0.106 R)
• M7: 3,083,212 km (0.109 R)
• M8: 3,846,012 km (0.081 R)
• M9: 5,535,420 km (0.072 R)
• M10: 6,247,506 km (0.049 R)
• M11: 6,773,642 km (0.11 R)
• M12: 7,329,248 km (0.096 R)
• M13: 8,281,738 km (0.101 R)
• M14: 12,684,852 km (0.094 R)
• M15: 14,415,700 km (0.091 R)
• M16: 15,385,243 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.2

Radius: 8.2

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.18 AU - 3.82 AU

Year: 4520 Days

Day: 12.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,472,851 km

• M1: 102,026 km (0.086 R)
• M2: 412,591 km (0.066 R)
• M3: 808,726 km (0.079 R)
• M4: 1,067,530 km (0.065 R)
• M5: 1,372,112 km (0.119 R)
• M6: 1,747,453 km (0.091 R)
• M7: 2,220,332 km (0.07 R)
• M8: 3,280,981 km (0.08 R)
• M9: 3,714,964 km (0.079 R)
• M10: 4,825,279 km (0.082 R)
• M11: 6,357,461 km (0.078 R)
• M12: 7,268,512 km (0.116 R)
• M13: 7,826,661 km (0.112 R)
• M14: 8,413,085 km (0.118 R)
• M15: 10,049,686 km (0.112 R)
• M16: 10,435,499 km (0.119 R)
• M17: 10,920,495 km (0.111 R)
• M18: 11,605,952 km (0.118 R)
• M19: 13,522,451 km (0.086 R)
• M20: 14,312,627 km (0.096 R)
• M21: 17,230,683 km (0.037 R)
• M22: 17,536,461 km (0.078 R)
• M23: 17,908,361 km (0.114 R)
• M24: 18,475,935 km (0.109 R)
• M25: 20,386,599 km (0.044 R)
• M26: 21,992,832 km (0.111 R)
• M27: 24,288,860 km (0.118 R)
• M28: 25,613,399 km (0.057 R)
• M29: 26,903,531 km (0.057 R)
• M30: 28,067,553 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 12

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.73 AU - 3.73 AU

Year: 4972 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,472,851 km

• M1: 149,299 km (0.102 R)
• M2: 549,174 km (0.073 R)
• M3: 954,584 km (0.091 R)
• M4: 1,741,170 km (0.086 R)
• M5: 2,452,507 km (0.102 R)
• M6: 3,885,057 km (0.088 R)
• M7: 4,809,123 km (0.12 R)
• M8: 6,988,764 km (0.106 R)
• M9: 7,722,242 km (0.109 R)
• M10: 8,545,030 km (0.097 R)
• M11: 9,138,784 km (0.112 R)
• M12: 11,745,826 km (0.113 R)
• M13: 12,834,001 km (0.107 R)
• M14: 14,205,066 km (0.108 R)
• M15: 16,744,490 km (0.05 R)
• M16: 17,486,495 km (0.037 R)
• M17: 18,837,813 km (0.093 R)
• M18: 19,437,700 km (0.105 R)
• M19: 20,188,233 km (0.06 R)
• M20: 21,386,063 km (0.119 R)
• M21: 23,614,622 km (0.104 R)
• M22: 24,943,949 km (0.097 R)
• M23: 26,737,627 km (0.112 R)
• M24: 27,837,172 km (0.113 R)
• M25: 29,320,135 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.7

Radius: 7.1

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.86 AU - 11.4 AU

Year: 22255 Days

Day: 19.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,472,851 km

• M1: 88,263 km (0.093 R)
• M2: 346,768 km (0.064 R)
• M3: 621,130 km (0.11 R)
• M4: 1,108,520 km (0.118 R)
• M5: 1,519,615 km (0.076 R)
• M6: 1,808,638 km (0.077 R)
• M7: 2,930,473 km (0.11 R)
• M8: 3,235,802 km (0.059 R)
• M9: 4,457,269 km (0.105 R)
• M10: 4,861,931 km (0.099 R)
• M11: 5,959,680 km (0.099 R)
• M12: 6,825,403 km (0.098 R)
• M13: 7,617,224 km (0.062 R)
• M14: 7,876,777 km (0.116 R)
• M15: 8,803,984 km (0.084 R)
• M16: 12,020,787 km (0.082 R)
• M17: 13,546,835 km (0.074 R)
• M18: 14,474,791 km (0.047 R)
• M19: 19,370,979 km (0.03 R)
• M20: 21,460,114 km (0.086 R)
• M21: 23,475,646 km (0.039 R)
• M22: 25,153,536 km (0.077 R)
• M23: 31,455,495 km (0.075 R)
• M24: 32,940,404 km (0.097 R)
• M25: 36,634,723 km (0.06 R)
• M26: 42,517,211 km (0.104 R)
• M27: 44,330,636 km (0.114 R)
• M28: 49,178,206 km (0.088 R)
• M29: 50,260,995 km (0.089 R)
• M30: 73,265,108 km (0.107 R)
• M31: 80,008,382 km (0.111 R)
• M32: 82,260,728 km (0.197 R)
• M33: 88,207,991 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 19,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit