🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 12.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.59 AU - 0.67 AU

Year: 339 Days

Day: 6.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,501,272 km

• M1: 155,432 km (0.115 R)
• M2: 565,181 km (0.097 R)
• M3: 1,055,114 km (0.117 R)
• M4: 1,735,335 km (0.106 R)
• M5: 2,154,209 km (0.117 R)
• M6: 2,581,760 km (0.111 R)
• M7: 3,381,660 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.7

Radius: 10.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.73 AU - 1.19 AU

Year: 638 Days

Day: 5.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,501,272 km

• M1: 129,701 km (0.105 R)
• M2: 459,265 km (0.106 R)
• M3: 893,847 km (0.093 R)
• M4: 1,299,407 km (0.057 R)
• M5: 2,039,767 km (0.114 R)
• M6: 3,546,068 km (0.1 R)
• M7: 3,908,992 km (0.115 R)
• M8: 4,341,480 km (0.097 R)
• M9: 4,757,661 km (0.109 R)
• M10: 5,083,186 km (0.108 R)
• M11: 5,423,521 km (0.113 R)
• M12: 6,982,032 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 12.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.75 AU - 2.09 AU

Year: 1804 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,501,272 km

• M1: 160,519 km (0.061 R)
• M2: 572,810 km (0.063 R)
• M3: 1,061,696 km (0.091 R)
• M4: 2,116,361 km (0.076 R)
• M5: 2,931,520 km (0.072 R)
• M6: 3,443,593 km (0.096 R)
• M7: 4,015,057 km (0.116 R)
• M8: 4,822,736 km (0.038 R)
• M9: 5,648,666 km (0.078 R)
• M10: 7,215,255 km (0.107 R)
• M11: 9,236,173 km (0.117 R)
• M12: 12,672,735 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.02 AU - 3.32 AU

Year: 3828 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,501,272 km

• M1: 112,049 km (0.101 R)
• M2: 471,532 km (0.068 R)
• M3: 859,141 km (0.104 R)
• M4: 1,174,792 km (0.099 R)
• M5: 1,568,534 km (0.062 R)
• M6: 2,916,859 km (0.047 R)
• M7: 3,923,055 km (0.078 R)
• M8: 5,145,120 km (0.115 R)
• M9: 6,823,907 km (0.036 R)
• M10: 7,718,353 km (0.085 R)
• M11: 11,582,466 km (0.104 R)
• M12: 12,371,744 km (0.103 R)
• M13: 13,596,801 km (0.099 R)
• M14: 18,679,239 km (0.105 R)
• M15: 21,778,907 km (0.088 R)
• M16: 22,268,092 km (0.11 R)
• M17: 25,512,870 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 14.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.8 AU - 4.1 AU

Year: 4346 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,501,272 km

• M1: 201,808 km (0.038 R)
• M2: 926,011 km (0.073 R)
• M3: 2,636,214 km (0.115 R)
• M4: 4,304,679 km (0.095 R)
• M5: 6,151,764 km (0.1 R)
• M6: 6,656,058 km (0.12 R)
• M7: 11,479,841 km (0.113 R)
• M8: 11,927,139 km (0.073 R)
• M9: 13,437,629 km (0.099 R)
• M10: 14,861,202 km (0.099 R)
• M11: 18,672,806 km (0.082 R)
• M12: 21,639,182 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.46 AU - 3.88 AU

Year: 4769 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,501,272 km

• M1: 171,589 km (0.102 R)
• M2: 694,583 km (0.114 R)
• M3: 1,217,727 km (0.116 R)
• M4: 2,047,396 km (0.106 R)
• M5: 2,792,244 km (0.063 R)
• M6: 4,401,319 km (0.098 R)
• M7: 6,562,260 km (0.12 R)
• M8: 7,441,148 km (0.113 R)
• M9: 8,942,063 km (0.086 R)
• M10: 10,305,947 km (0.088 R)
• M11: 11,318,724 km (0.102 R)
• M12: 13,297,904 km (0.053 R)
• M13: 15,606,349 km (0.081 R)
• M14: 16,770,520 km (0.036 R)
• M15: 19,023,015 km (0.106 R)
• M16: 22,700,430 km (0.115 R)
• M17: 23,904,543 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 12

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.5 AU - 5.56 AU

Year: 6539 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,501,272 km

• M1: 149,299 km (0.094 R)
• M2: 636,090 km (0.11 R)
• M3: 1,218,774 km (0.107 R)
• M4: 1,749,846 km (0.117 R)
• M5: 2,259,227 km (0.078 R)
• M6: 2,671,818 km (0.039 R)
• M7: 3,308,357 km (0.063 R)
• M8: 4,491,826 km (0.102 R)
• M9: 5,333,014 km (0.043 R)
• M10: 6,380,050 km (0.096 R)
• M11: 7,026,462 km (0.071 R)
• M12: 8,200,955 km (0.112 R)
• M13: 8,748,783 km (0.054 R)
• M14: 10,736,789 km (0.114 R)
• M15: 11,652,627 km (0.088 R)
• M16: 12,454,920 km (0.054 R)
• M17: 13,873,407 km (0.037 R)
• M18: 15,650,780 km (0.052 R)
• M19: 18,558,813 km (0.067 R)
• M20: 20,178,060 km (0.067 R)
• M21: 26,225,853 km (0.11 R)
• M22: 26,770,988 km (0.072 R)
• M23: 28,547,163 km (0.097 R)
• M24: 31,408,073 km (0.113 R)
• M25: 35,108,825 km (0.083 R)
• M26: 37,808,468 km (0.037 R)
• M27: 38,973,088 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.5

Radius: 14.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.62 AU - 4.72 AU

Year: 6845 Days

Day: 12.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,501,272 km

• M1: 180,265 km (0.11 R)
• M2: 643,869 km (0.088 R)
• M3: 1,264,102 km (0.062 R)
• M4: 2,312,334 km (0.087 R)
• M5: 2,811,542 km (0.108 R)
• M6: 3,360,716 km (0.094 R)
• M7: 4,791,919 km (0.078 R)
• M8: 5,391,806 km (0.107 R)
• M9: 6,041,510 km (0.116 R)
• M10: 14,644,584 km (0.079 R)
• M11: 15,333,333 km (0.115 R)
• M12: 18,450,653 km (0.078 R)
• M13: 20,158,163 km (0.083 R)
• M14: 20,854,093 km (0.113 R)
• M15: 26,734,635 km (0.087 R)
• M16: 29,902,819 km (0.116 R)
• M17: 37,437,166 km (0.037 R)
• M18: 38,725,952 km (0.095 R)
• M19: 39,201,823 km (0.089 R)
• M20: 40,652,922 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.4

Radius: 4.6

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.81 AU - 6.53 AU

Year: 10395 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 29,501,272 km

• M1: 57,296 km (0.093 R)
• M2: 225,594 km (0.036 R)
• M3: 467,344 km (0.09 R)
• M4: 681,717 km (0.061 R)
• M5: 1,380,938 km (0.069 R)
• M6: 1,567,486 km (0.09 R)
• M7: 2,053,231 km (0.092 R)
• M8: 2,213,749 km (0.097 R)
• M9: 2,746,168 km (0.112 R)
• M10: 3,294,744 km (0.073 R)
• M11: 3,769,418 km (0.109 R)
• M12: 4,498,258 km (0.095 R)
• M13: 4,853,703 km (0.116 R)
• M14: 5,198,227 km (0.075 R)
• M15: 5,714,040 km (0.089 R)
• M16: 6,397,403 km (0.058 R)
• M17: 6,811,490 km (0.09 R)
• M18: 8,940,866 km (0.08 R)
• M19: 10,505,361 km (0.113 R)
• M20: 11,627,345 km (0.116 R)
• M21: 12,191,179 km (0.025 R)
• M22: 13,428,802 km (0.107 R)
• M23: 15,105,795 km (0.068 R)
• M24: 17,112,500 km (0.092 R)
• M25: 18,247,649 km (0.1 R)
• M26: 18,938,342 km (0.12 R)
• M27: 19,219,437 km (0.112 R)
• M28: 20,890,146 km (0.064 R)
• M29: 25,527,979 km (0.12 R)
• M30: 28,358,969 km (0.112 R)
• M31: 29,755,166 km (0.11 R)
• M32: 31,196,542 km (0.105 R)
• M33: 31,490,352 km (0.045 R)
• M34: 32,683,844 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.8

Radius: 4.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.8 AU - 6.54 AU

Year: 10395 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,501,272 km

• M1: 58,194 km (0.069 R)
• M2: 265,536 km (0.084 R)
• M3: 517,309 km (0.073 R)
• M4: 934,388 km (0.104 R)
• M5: 1,830,779 km (0.054 R)
• M6: 4,342,228 km (0.096 R)
• M7: 5,311,622 km (0.109 R)
• M8: 6,073,674 km (0.061 R)
• M9: 6,609,832 km (0.048 R)
• M10: 7,560,676 km (0.104 R)
• M11: 8,331,255 km (0.073 R)
• M12: 8,952,535 km (0.05 R)
• M13: 9,112,605 km (0.117 R)
• M14: 9,984,311 km (0.099 R)
• M15: 10,374,463 km (0.099 R)
• M16: 11,092,981 km (0.093 R)
• M17: 13,657,089 km (0.088 R)
• M18: 18,012,182 km (0.105 R)
• M19: 18,331,723 km (0.081 R)
• M20: 21,307,973 km (0.068 R)
• M21: 22,465,561 km (0.112 R)
• M22: 24,047,708 km (0.075 R)
• M23: 24,202,093 km (0.107 R)
• M24: 24,669,437 km (0.062 R)
• M25: 24,984,340 km (0.065 R)
• M26: 25,863,976 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit