🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.5

Radius: 14.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 13.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,099,921 km

• M1: 180,265 km (0.109 R)
• M2: 658,231 km (0.105 R)
• M3: 1,226,703 km (0.105 R)
• M4: 1,705,565 km (0.071 R)
• M5: 2,516,984 km (0.115 R)
• M6: 3,012,901 km (0.08 R)
• M7: 3,478,001 km (0.06 R)
• M8: 4,205,795 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.3

Radius: 9.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,099,921 km

• M1: 114,442 km (0.111 R)
• M2: 448,345 km (0.074 R)
• M3: 803,191 km (0.117 R)
• M4: 1,225,955 km (0.06 R)
• M5: 1,662,481 km (0.092 R)
• M6: 1,960,929 km (0.106 R)
• M7: 2,860,012 km (0.083 R)
• M8: 3,251,809 km (0.067 R)
• M9: 3,679,060 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 13.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.75 AU - 0.99 AU

Year: 550 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,099,921 km

• M1: 170,392 km (0.052 R)
• M2: 796,459 km (0.057 R)
• M3: 1,290,880 km (0.053 R)
• M4: 1,736,981 km (0.111 R)
• M5: 2,221,379 km (0.066 R)
• M6: 2,763,372 km (0.113 R)
• M7: 3,418,760 km (0.116 R)
• M8: 4,030,615 km (0.061 R)
• M9: 4,462,953 km (0.108 R)
• M10: 5,475,432 km (0.053 R)
• M11: 6,375,562 km (0.072 R)
• M12: 7,220,640 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 15

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.14 AU - 1.22 AU

Year: 869 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,099,921 km

• M1: 186,549 km (0.097 R)
• M2: 781,200 km (0.109 R)
• M3: 1,827,039 km (0.116 R)
• M4: 2,441,736 km (0.065 R)
• M5: 2,922,694 km (0.108 R)
• M6: 3,524,376 km (0.053 R)
• M7: 4,096,289 km (0.051 R)
• M8: 4,642,920 km (0.053 R)
• M9: 5,905,077 km (0.089 R)
• M10: 9,805,841 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.9

Radius: 14.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.1 AU - 1.74 AU

Year: 1148 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,099,921 km

• M1: 177,872 km (0.093 R)
• M2: 628,909 km (0.057 R)
• M3: 1,102,985 km (0.115 R)
• M4: 1,845,888 km (0.102 R)
• M5: 2,405,235 km (0.073 R)
• M6: 3,077,527 km (0.077 R)
• M7: 3,672,628 km (0.051 R)
• M8: 4,471,630 km (0.046 R)
• M9: 5,384,027 km (0.08 R)
• M10: 6,253,191 km (0.099 R)
• M11: 6,754,045 km (0.116 R)
• M12: 7,236,647 km (0.086 R)
• M13: 7,836,834 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 14.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.44 AU - 3.36 AU

Year: 3350 Days

Day: 13.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,099,921 km

• M1: 179,218 km (0.117 R)
• M2: 858,991 km (0.055 R)
• M3: 1,522,906 km (0.104 R)
• M4: 2,060,561 km (0.109 R)
• M5: 2,660,897 km (0.029 R)
• M6: 3,472,615 km (0.048 R)
• M7: 4,513,817 km (0.076 R)
• M8: 5,617,998 km (0.095 R)
• M9: 7,083,609 km (0.026 R)
• M10: 7,703,094 km (0.038 R)
• M11: 8,465,295 km (0.093 R)
• M12: 9,624,379 km (0.095 R)
• M13: 12,534,656 km (0.1 R)
• M14: 16,154,476 km (0.068 R)
• M15: 21,208,490 km (0.09 R)
• M16: 21,745,397 km (0.054 R)
• M17: 22,916,449 km (0.111 R)
• M18: 23,912,172 km (0.098 R)
• M19: 24,714,466 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149

Radius: 12.9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.84 AU - 4.42 AU

Year: 4691 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,099,921 km

• M1: 160,967 km (0.114 R)
• M2: 1,474,736 km (0.062 R)
• M3: 2,055,475 km (0.036 R)
• M4: 2,488,261 km (0.112 R)
• M5: 3,810,856 km (0.103 R)
• M6: 5,185,661 km (0.046 R)
• M7: 7,880,068 km (0.101 R)
• M8: 10,055,370 km (0.109 R)
• M9: 11,089,690 km (0.117 R)
• M10: 12,153,032 km (0.065 R)
• M11: 12,563,678 km (0.035 R)
• M12: 13,851,716 km (0.066 R)
• M13: 14,758,129 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 11.8

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.8 AU - 6.06 AU

Year: 7424 Days

Day: 9.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,099,921 km

• M1: 146,756 km (0.096 R)
• M2: 606,619 km (0.114 R)
• M3: 989,440 km (0.101 R)
• M4: 1,450,950 km (0.068 R)
• M5: 1,960,031 km (0.115 R)
• M6: 2,664,488 km (0.063 R)
• M7: 3,141,854 km (0.05 R)
• M8: 4,216,117 km (0.103 R)
• M9: 5,048,779 km (0.107 R)
• M10: 11,302,718 km (0.105 R)
• M11: 11,893,480 km (0.117 R)
• M12: 12,336,140 km (0.073 R)
• M13: 13,610,115 km (0.091 R)
• M14: 15,486,072 km (0.107 R)
• M15: 15,881,160 km (0.098 R)
• M16: 17,599,890 km (0.112 R)
• M17: 21,161,516 km (0.094 R)
• M18: 21,812,267 km (0.025 R)
• M19: 23,757,638 km (0.036 R)
• M20: 25,087,114 km (0.103 R)
• M21: 29,073,149 km (0.101 R)
• M22: 31,425,726 km (0.086 R)
• M23: 36,622,905 km (0.102 R)
• M24: 37,090,099 km (0.1 R)
• M25: 43,791,934 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.1

Radius: 5

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.94 AU - 8.14 AU

Year: 11344 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,099,921 km

• M1: 62,981 km (0.092 R)
• M2: 379,380 km (0.085 R)
• M3: 581,936 km (0.118 R)
• M4: 1,237,474 km (0.098 R)
• M5: 1,400,386 km (0.052 R)
• M6: 1,591,871 km (0.075 R)
• M7: 1,944,922 km (0.104 R)
• M8: 3,562,673 km (0.112 R)
• M9: 3,975,115 km (0.076 R)
• M10: 4,772,471 km (0.073 R)
• M11: 6,125,285 km (0.115 R)
• M12: 6,416,253 km (0.071 R)
• M13: 10,051,930 km (0.119 R)
• M14: 11,681,799 km (0.086 R)
• M15: 12,939,917 km (0.103 R)
• M16: 14,097,056 km (0.116 R)
• M17: 16,268,020 km (0.107 R)
• M18: 16,545,375 km (0.111 R)
• M19: 16,755,410 km (0.106 R)
• M20: 17,396,587 km (0.062 R)
• M21: 17,613,803 km (0.052 R)
• M22: 17,980,018 km (0.049 R)
• M23: 24,098,571 km (0.086 R)
• M24: 27,376,410 km (0.115 R)
• M25: 28,065,757 km (0.05 R)
• M26: 29,581,932 km (0.094 R)
• M27: 31,151,812 km (0.103 R)
• M28: 32,119,860 km (0.117 R)
• M29: 33,107,804 km (0.106 R)
• M30: 34,914,049 km (0.07 R)
• M31: 40,980,392 km (0.078 R)
• M32: 44,530,798 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.5

Radius: 5.3

Gravity: 16.39 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.95 AU - 8.83 AU

Year: 15032 Days

Day: 20.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,099,921 km

• M1: 66,272 km (0.036 R)
• M2: 237,113 km (0.114 R)
• M3: 408,701 km (0.118 R)
• M4: 644,019 km (0.029 R)
• M5: 1,210,396 km (0.062 R)
• M6: 1,478,775 km (0.085 R)
• M7: 1,721,273 km (0.118 R)
• M8: 3,509,416 km (0.063 R)
• M9: 4,690,342 km (0.07 R)
• M10: 5,047,582 km (0.106 R)
• M11: 5,670,956 km (0.107 R)
• M12: 6,461,581 km (0.119 R)
• M13: 7,238,143 km (0.052 R)
• M14: 8,974,675 km (0.037 R)
• M15: 10,637,905 km (0.069 R)
• M16: 11,254,248 km (0.039 R)
• M17: 12,867,212 km (0.098 R)
• M18: 15,959,998 km (0.068 R)
• M19: 16,841,429 km (0.067 R)
• M20: 17,066,723 km (0.115 R)
• M21: 18,781,265 km (0.118 R)
• M22: 19,432,165 km (0.057 R)
• M23: 20,013,951 km (0.048 R)
• M24: 23,750,906 km (0.094 R)
• M25: 24,898,172 km (0.077 R)
• M26: 25,782,744 km (0.077 R)
• M27: 27,510,151 km (0.104 R)
• M28: 28,349,096 km (0.111 R)
• M29: 32,918,263 km (0.059 R)
• M30: 34,826,983 km (0.119 R)
• M31: 36,305,907 km (0.114 R)
• M32: 37,060,928 km (0.094 R)
• M33: 49,675,170 km (0.108 R)
• M34: 53,303,666 km (0.095 R)
• M35: 53,952,322 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 18,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit