🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.52 AU - 0.68 AU

Year: 300 Days

Day: 23 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,348,730 km

• M1: 44,580 km (0.083 R)
• M2: 539,899 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.3

Radius: 11.4

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 5.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,348,730 km

• M1: 141,819 km (0.05 R)
• M2: 873,502 km (0.11 R)
• M3: 1,251,087 km (0.108 R)
• M4: 1,802,206 km (0.07 R)
• M5: 2,180,239 km (0.066 R)
• M6: 2,842,958 km (0.091 R)
• M7: 4,333,701 km (0.104 R)
• M8: 4,831,413 km (0.104 R)
• M9: 5,233,532 km (0.111 R)
• M10: 5,623,384 km (0.097 R)
• M11: 6,310,038 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 11.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.87 AU - 0.93 AU

Year: 551 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,348,730 km

• M1: 147,952 km (0.097 R)
• M2: 663,467 km (0.038 R)
• M3: 1,059,751 km (0.12 R)
• M4: 1,499,120 km (0.07 R)
• M5: 1,949,709 km (0.101 R)
• M6: 2,392,369 km (0.107 R)
• M7: 2,857,768 km (0.057 R)
• M8: 3,383,605 km (0.085 R)
• M9: 3,809,659 km (0.096 R)
• M10: 5,059,101 km (0.111 R)
• M11: 5,654,052 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 10.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.25 AU

Year: 665 Days

Day: 7.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,348,730 km

• M1: 129,851 km (0.113 R)
• M2: 717,172 km (0.1 R)
• M3: 1,077,254 km (0.065 R)
• M4: 1,760,169 km (0.027 R)
• M5: 2,103,047 km (0.101 R)
• M6: 2,460,735 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.3

Radius: 12.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.47 AU - 2.43 AU

Year: 1758 Days

Day: 14.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,348,730 km

• M1: 161,715 km (0.091 R)
• M2: 1,086,380 km (0.093 R)
• M3: 2,574,729 km (0.069 R)
• M4: 3,591,845 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.58 AU - 3.9 AU

Year: 4670 Days

Day: 11.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,348,730 km

• M1: 169,943 km (0.039 R)
• M2: 612,154 km (0.095 R)
• M3: 1,433,297 km (0.083 R)
• M4: 2,078,363 km (0.035 R)
• M5: 2,605,995 km (0.117 R)
• M6: 4,268,177 km (0.074 R)
• M7: 5,101,886 km (0.114 R)
• M8: 5,616,951 km (0.103 R)
• M9: 6,229,854 km (0.112 R)
• M10: 6,989,811 km (0.048 R)
• M11: 7,773,554 km (0.071 R)
• M12: 9,181,869 km (0.111 R)
• M13: 10,390,021 km (0.039 R)
• M14: 10,985,869 km (0.112 R)
• M15: 12,246,082 km (0.059 R)
• M16: 15,460,790 km (0.096 R)
• M17: 16,791,763 km (0.064 R)
• M18: 20,594,540 km (0.1 R)
• M19: 21,316,201 km (0.102 R)
• M20: 21,905,766 km (0.115 R)
• M21: 24,055,188 km (0.116 R)
• M22: 27,886,090 km (0.115 R)
• M23: 29,763,244 km (0.095 R)
• M24: 30,314,662 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 13.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.78 AU - 4.48 AU

Year: 5419 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,348,730 km

• M1: 182,360 km (0.069 R)
• M2: 671,844 km (0.088 R)
• M3: 1,207,404 km (0.104 R)
• M4: 2,015,383 km (0.083 R)
• M5: 2,630,080 km (0.104 R)
• M6: 3,389,140 km (0.069 R)
• M7: 3,879,073 km (0.08 R)
• M8: 4,467,740 km (0.058 R)
• M9: 5,172,346 km (0.094 R)
• M10: 6,140,245 km (0.108 R)
• M11: 6,907,981 km (0.077 R)
• M12: 8,120,472 km (0.064 R)
• M13: 9,819,155 km (0.052 R)
• M14: 10,542,611 km (0.062 R)
• M15: 11,894,078 km (0.038 R)
• M16: 13,088,168 km (0.115 R)
• M17: 14,764,113 km (0.113 R)
• M18: 16,641,866 km (0.045 R)
• M19: 19,785,515 km (0.094 R)
• M20: 21,236,315 km (0.106 R)
• M21: 24,186,385 km (0.105 R)
• M22: 24,758,148 km (0.068 R)
• M23: 25,928,901 km (0.089 R)
• M24: 27,223,821 km (0.094 R)
• M25: 28,561,375 km (0.067 R)
• M26: 29,200,457 km (0.062 R)
• M27: 29,942,463 km (0.089 R)
• M28: 33,236,907 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 10.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.1 AU - 5.86 AU

Year: 8283 Days

Day: 6.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,348,730 km

• M1: 129,253 km (0.116 R)
• M2: 465,399 km (0.053 R)
• M3: 930,648 km (0.119 R)
• M4: 1,408,314 km (0.099 R)
• M5: 1,767,349 km (0.092 R)
• M6: 2,493,049 km (0.097 R)
• M7: 2,924,788 km (0.114 R)
• M8: 3,254,352 km (0.096 R)
• M9: 4,691,838 km (0.088 R)
• M10: 5,818,310 km (0.041 R)
• M11: 6,343,249 km (0.093 R)
• M12: 7,794,647 km (0.049 R)
• M13: 8,433,131 km (0.078 R)
• M14: 10,043,552 km (0.058 R)
• M15: 11,695,711 km (0.087 R)
• M16: 12,479,454 km (0.074 R)
• M17: 13,186,604 km (0.051 R)
• M18: 16,094,188 km (0.106 R)
• M19: 16,671,336 km (0.095 R)
• M20: 17,129,555 km (0.093 R)
• M21: 18,764,959 km (0.051 R)
• M22: 20,502,089 km (0.085 R)
• M23: 22,343,938 km (0.119 R)
• M24: 24,460,897 km (0.054 R)
• M25: 25,395,585 km (0.098 R)
• M26: 27,517,332 km (0.059 R)
• M27: 28,065,757 km (0.111 R)
• M28: 35,013,382 km (0.05 R)
• M29: 35,982,327 km (0.101 R)
• M30: 36,418,704 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.7

Radius: 3.5

Gravity: 37.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.17 AU - 9.07 AU

Year: 14940 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,348,730 km

• M1: 43,683 km (0.096 R)
• M2: 180,864 km (0.067 R)
• M3: 297,849 km (0.112 R)
• M4: 907,012 km (0.112 R)
• M5: 2,151,965 km (0.07 R)
• M6: 2,591,035 km (0.108 R)
• M7: 3,889,844 km (0.06 R)
• M8: 4,445,450 km (0.097 R)
• M9: 6,388,876 km (0.041 R)
• M10: 8,311,209 km (0.041 R)
• M11: 8,737,114 km (0.111 R)
• M12: 8,979,911 km (0.077 R)
• M13: 11,087,147 km (0.072 R)
• M14: 13,761,359 km (0.105 R)
• M15: 14,356,758 km (0.11 R)
• M16: 14,900,247 km (0.059 R)
• M17: 17,211,684 km (0.102 R)
• M18: 18,058,408 km (0.053 R)
• M19: 20,085,309 km (0.101 R)
• M20: 21,023,288 km (0.057 R)
• M21: 27,478,137 km (0.075 R)
• M22: 28,104,054 km (0.089 R)
• M23: 32,174,912 km (0.079 R)
• M24: 33,456,965 km (0.111 R)
• M25: 40,246,764 km (0.047 R)
• M26: 42,008,279 km (0.072 R)
• M27: 43,538,366 km (0.117 R)
• M28: 50,495,116 km (0.107 R)
• M29: 51,276,166 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.5

Radius: 3.1

Gravity: 63.84 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.85 AU - 8.65 AU

Year: 15300 Days

Day: 20 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,348,730 km

• M1: 40,391 km (0.051 R)
• M2: 141,819 km (0.102 R)
• M3: 426,803 km (0.079 R)
• M4: 631,004 km (0.086 R)
• M5: 973,733 km (0.119 R)
• M6: 1,091,466 km (0.1 R)
• M7: 1,628,522 km (0.069 R)
• M8: 2,261,920 km (0.11 R)
• M9: 3,402,753 km (0.119 R)
• M10: 4,111,398 km (0.098 R)
• M11: 4,295,104 km (0.115 R)
• M12: 5,015,867 km (0.058 R)
• M13: 7,295,888 km (0.117 R)
• M14: 7,610,792 km (0.044 R)
• M15: 8,267,526 km (0.095 R)
• M16: 8,412,935 km (0.046 R)
• M17: 10,128,225 km (0.1 R)
• M18: 10,633,417 km (0.11 R)
• M19: 10,748,009 km (0.11 R)
• M20: 11,877,622 km (0.097 R)
• M21: 13,018,456 km (0.03 R)
• M22: 13,281,598 km (0.095 R)
• M23: 14,161,084 km (0.094 R)
• M24: 14,299,761 km (0.109 R)
• M25: 19,831,292 km (0.096 R)
• M26: 20,267,220 km (0.084 R)
• M27: 24,882,913 km (0.051 R)
• M28: 24,983,742 km (0.053 R)
• M29: 26,529,537 km (0.109 R)
• M30: 27,272,290 km (0.104 R)
• M31: 27,379,402 km (0.072 R)
• M32: 29,470,481 km (0.091 R)
• M33: 33,350,751 km (0.119 R)
• M34: 34,842,092 km (0.096 R)
• M35: 44,140,348 km (0.072 R)
• M36: 44,584,803 km (0.069 R)
• M37: 44,733,653 km (0.052 R)
• M38: 47,469,349 km (0.117 R)
• M39: 48,562,610 km (0.113 R)
• M40: 50,153,584 km (0.075 R)
• M41: 54,112,542 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 11,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit