🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.7

Radius: 13.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.6 AU - 0.82 AU

Year: 406 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,544,373 km

• M1: 170,392 km (0.076 R)
• M2: 605,572 km (0.048 R)
• M3: 1,040,154 km (0.101 R)
• M4: 1,596,060 km (0.114 R)
• M5: 2,159,894 km (0.118 R)
• M6: 2,969,368 km (0.042 R)
• M7: 3,413,674 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 13.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.12 AU - 1.42 AU

Year: 971 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,544,373 km

• M1: 165,455 km (0.101 R)
• M2: 591,061 km (0.06 R)
• M3: 1,008,738 km (0.085 R)
• M4: 2,063,254 km (0.1 R)
• M5: 2,712,509 km (0.111 R)
• M6: 3,176,711 km (0.106 R)
• M7: 4,097,635 km (0.109 R)
• M8: 5,033,520 km (0.087 R)
• M9: 5,719,276 km (0.111 R)
• M10: 7,154,817 km (0.093 R)
• M11: 7,812,898 km (0.109 R)
• M12: 8,989,635 km (0.101 R)
• M13: 9,545,840 km (0.08 R)
• M14: 10,375,809 km (0.105 R)
• M15: 11,120,208 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 12.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.48 AU

Year: 1052 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,544,373 km

• M1: 158,723 km (0.078 R)
• M2: 778,657 km (0.12 R)
• M3: 1,414,897 km (0.117 R)
• M4: 2,823,959 km (0.03 R)
• M5: 3,387,793 km (0.065 R)
• M6: 3,804,573 km (0.036 R)
• M7: 4,948,099 km (0.078 R)
• M8: 5,581,048 km (0.082 R)
• M9: 7,832,945 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 10.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.38 AU - 2.28 AU

Year: 1679 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,544,373 km

• M1: 126,859 km (0.113 R)
• M2: 446,101 km (0.075 R)
• M3: 1,064,838 km (0.118 R)
• M4: 1,408,763 km (0.105 R)
• M5: 2,219,733 km (0.094 R)
• M6: 3,237,597 km (0.073 R)
• M7: 3,833,894 km (0.102 R)
• M8: 4,822,886 km (0.107 R)
• M9: 5,355,155 km (0.085 R)
• M10: 7,217,349 km (0.07 R)
• M11: 8,687,148 km (0.026 R)
• M12: 11,233,753 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.9

Radius: 13

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.87 AU - 2.27 AU

Year: 2020 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,544,373 km

• M1: 182,360 km (0.054 R)
• M2: 614,997 km (0.095 R)
• M3: 1,115,701 km (0.043 R)
• M4: 1,816,567 km (0.074 R)
• M5: 2,543,313 km (0.059 R)
• M6: 4,395,933 km (0.072 R)
• M7: 5,475,132 km (0.047 R)
• M8: 6,253,939 km (0.09 R)
• M9: 6,696,898 km (0.083 R)
• M10: 7,216,900 km (0.098 R)
• M11: 7,675,717 km (0.116 R)
• M12: 9,269,832 km (0.106 R)
• M13: 10,198,386 km (0.115 R)
• M14: 11,037,331 km (0.066 R)
• M15: 13,875,801 km (0.091 R)
• M16: 15,652,724 km (0.039 R)
• M17: 16,083,417 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 10.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.26 AU - 2.38 AU

Year: 2397 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,544,373 km

• M1: 131,796 km (0.089 R)
• M2: 465,848 km (0.088 R)
• M3: 838,496 km (0.062 R)
• M4: 1,212,042 km (0.092 R)
• M5: 1,884,335 km (0.097 R)
• M6: 2,637,261 km (0.106 R)
• M7: 3,023,223 km (0.098 R)
• M8: 3,365,503 km (0.116 R)
• M9: 4,000,247 km (0.113 R)
• M10: 4,877,938 km (0.074 R)
• M11: 5,351,565 km (0.115 R)
• M12: 5,879,196 km (0.103 R)
• M13: 6,645,137 km (0.118 R)
• M14: 7,989,873 km (0.094 R)
• M15: 8,345,168 km (0.096 R)
• M16: 8,773,018 km (0.059 R)
• M17: 9,119,486 km (0.09 R)
• M18: 9,739,569 km (0.08 R)
• M19: 10,077,062 km (0.075 R)
• M20: 11,998,198 km (0.118 R)
• M21: 12,504,437 km (0.054 R)
• M22: 12,943,956 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 10

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.37 AU - 3.75 AU

Year: 4556 Days

Day: 12.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,544,373 km

• M1: 124,465 km (0.117 R)
• M2: 944,262 km (0.077 R)
• M3: 1,843,794 km (0.085 R)
• M4: 3,555,193 km (0.087 R)
• M5: 4,616,141 km (0.047 R)
• M6: 8,652,292 km (0.118 R)
• M7: 9,095,102 km (0.038 R)
• M8: 10,362,794 km (0.056 R)
• M9: 13,290,275 km (0.047 R)
• M10: 14,822,157 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.9

Radius: 8.1

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.71 AU - 3.71 AU

Year: 4847 Days

Day: 14.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,544,373 km

• M1: 102,026 km (0.096 R)
• M2: 611,257 km (0.088 R)
• M3: 1,020,557 km (0.05 R)
• M4: 1,542,803 km (0.088 R)
• M5: 1,802,804 km (0.112 R)
• M6: 2,248,755 km (0.036 R)
• M7: 2,532,991 km (0.101 R)
• M8: 2,803,614 km (0.075 R)
• M9: 3,277,241 km (0.084 R)
• M10: 3,599,774 km (0.062 R)
• M11: 4,111,099 km (0.097 R)
• M12: 4,409,846 km (0.118 R)
• M13: 5,336,156 km (0.09 R)
• M14: 5,753,235 km (0.057 R)
• M15: 6,551,938 km (0.096 R)
• M16: 7,242,631 km (0.087 R)
• M17: 7,829,354 km (0.105 R)
• M18: 8,606,814 km (0.045 R)
• M19: 10,962,682 km (0.072 R)
• M20: 11,344,904 km (0.057 R)
• M21: 11,984,884 km (0.041 R)
• M22: 13,175,982 km (0.1 R)
• M23: 17,868,418 km (0.051 R)
• M24: 18,264,853 km (0.074 R)
• M25: 19,006,559 km (0.078 R)
• M26: 19,419,449 km (0.058 R)
• M27: 22,327,333 km (0.027 R)
• M28: 24,527,468 km (0.106 R)
• M29: 26,269,685 km (0.06 R)
• M30: 28,899,317 km (0.055 R)
• M31: 29,354,094 km (0.117 R)
• M32: 30,558,656 km (0.04 R)
• M33: 32,280,378 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 12.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.79 AU - 4.19 AU

Year: 5406 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,544,373 km

• M1: 159,322 km (0.079 R)
• M2: 628,012 km (0.12 R)
• M3: 1,124,976 km (0.112 R)
• M4: 1,532,481 km (0.058 R)
• M5: 2,408,376 km (0.11 R)
• M6: 2,857,469 km (0.113 R)
• M7: 3,487,575 km (0.104 R)
• M8: 3,904,355 km (0.117 R)
• M9: 4,734,473 km (0.081 R)
• M10: 5,590,772 km (0.074 R)
• M11: 7,151,676 km (0.106 R)
• M12: 7,574,888 km (0.106 R)
• M13: 9,354,504 km (0.073 R)
• M14: 10,298,018 km (0.074 R)
• M15: 10,884,591 km (0.079 R)
• M16: 11,398,311 km (0.076 R)
• M17: 11,977,254 km (0.107 R)
• M18: 12,985,544 km (0.096 R)
• M19: 16,230,471 km (0.065 R)
• M20: 20,469,776 km (0.032 R)
• M21: 22,504,456 km (0.041 R)
• M22: 25,152,488 km (0.111 R)
• M23: 26,134,748 km (0.119 R)
• M24: 27,742,028 km (0.067 R)
• M25: 29,324,623 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.9

Radius: 5

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.09 AU - 11.09 AU

Year: 18588 Days

Day: 17.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,544,373 km

• M1: 70,909 km (0.069 R)
• M2: 292,165 km (0.094 R)
• M3: 593,904 km (0.117 R)
• M4: 1,160,730 km (0.12 R)
• M5: 1,365,380 km (0.115 R)
• M6: 1,626,428 km (0.109 R)
• M7: 2,031,838 km (0.066 R)
• M8: 2,394,015 km (0.09 R)
• M9: 3,091,889 km (0.07 R)
• M10: 4,006,530 km (0.114 R)
• M11: 5,989,600 km (0.089 R)
• M12: 6,436,000 km (0.099 R)
• M13: 6,688,670 km (0.061 R)
• M14: 6,991,756 km (0.089 R)
• M15: 7,908,491 km (0.087 R)
• M16: 8,346,065 km (0.086 R)
• M17: 11,196,204 km (0.084 R)
• M18: 11,747,771 km (0.065 R)
• M19: 12,381,468 km (0.099 R)
• M20: 12,706,843 km (0.092 R)
• M21: 13,374,498 km (0.091 R)
• M22: 18,379,295 km (0.069 R)
• M23: 20,290,707 km (0.049 R)
• M24: 26,812,875 km (0.069 R)
• M25: 28,020,280 km (0.071 R)
• M26: 31,617,360 km (0.114 R)
• M27: 36,831,445 km (0.11 R)
• M28: 39,852,125 km (0.082 R)
• M29: 42,003,791 km (0.11 R)
• M30: 51,052,368 km (0.083 R)
• M31: 52,563,456 km (0.114 R)
• M32: 53,931,528 km (0.06 R)
• M33: 54,973,029 km (0.03 R)
• M34: 59,641,380 km (0.073 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: 421 - 16,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit