🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 15

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.67 AU - 0.67 AU

Year: 379 Days

Day: 8.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,195,331 km

• M1: 186,549 km (0.108 R)
• M2: 658,380 km (0.035 R)
• M3: 1,169,257 km (0.047 R)
• M4: 1,694,046 km (0.049 R)
• M5: 2,393,716 km (0.094 R)
• M6: 3,205,733 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.4

Radius: 12.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,195,331 km

• M1: 154,983 km (0.051 R)
• M2: 547,977 km (0.111 R)
• M3: 1,286,093 km (0.101 R)
• M4: 1,883,138 km (0.11 R)
• M5: 2,718,193 km (0.107 R)
• M6: 3,628,796 km (0.083 R)
• M7: 4,025,529 km (0.084 R)
• M8: 4,747,040 km (0.111 R)
• M9: 5,146,915 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 10.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 1071 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 147.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,195,331 km

• M1: 131,796 km (0.119 R)
• M2: 462,407 km (0.092 R)
• M3: 952,340 km (0.037 R)
• M4: 1,388,567 km (0.116 R)
• M5: 1,749,248 km (0.045 R)
• M6: 2,096,465 km (0.095 R)
• M7: 3,174,018 km (0.093 R)
• M8: 3,536,494 km (0.103 R)
• M9: 3,913,480 km (0.112 R)
• M10: 4,719,364 km (0.113 R)
• M11: 5,699,380 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 14.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.31 AU - 2.01 AU

Year: 1476 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 166.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,195,331 km

• M1: 176,525 km (0.046 R)
• M2: 665,112 km (0.115 R)
• M3: 1,236,875 km (0.102 R)
• M4: 1,873,713 km (0.039 R)
• M5: 3,662,305 km (0.082 R)
• M6: 4,741,804 km (0.104 R)
• M7: 6,098,357 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 11.9

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.49 AU - 1.99 AU

Year: 1584 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,195,331 km

• M1: 148,999 km (0.029 R)
• M2: 565,779 km (0.104 R)
• M3: 1,130,960 km (0.114 R)
• M4: 1,968,558 km (0.072 R)
• M5: 2,764,868 km (0.072 R)
• M6: 4,110,052 km (0.07 R)
• M7: 5,035,016 km (0.074 R)
• M8: 5,804,248 km (0.071 R)
• M9: 6,217,288 km (0.076 R)
• M10: 6,967,670 km (0.105 R)
• M11: 7,806,316 km (0.091 R)
• M12: 8,679,968 km (0.12 R)
• M13: 9,124,423 km (0.112 R)
• M14: 9,921,929 km (0.094 R)
• M15: 10,302,656 km (0.103 R)
• M16: 10,873,970 km (0.096 R)
• M17: 12,837,143 km (0.118 R)
• M18: 13,331,564 km (0.042 R)
• M19: 14,446,218 km (0.051 R)
• M20: 15,208,120 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 8

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.8 AU - 2.88 AU

Year: 2471 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,195,331 km

• M1: 102,026 km (0.111 R)
• M2: 364,420 km (0.111 R)
• M3: 639,980 km (0.108 R)
• M4: 915,988 km (0.101 R)
• M5: 1,299,258 km (0.105 R)
• M6: 1,657,096 km (0.062 R)
• M7: 2,142,242 km (0.034 R)
• M8: 2,460,137 km (0.1 R)
• M9: 2,855,225 km (0.111 R)
• M10: 3,174,766 km (0.087 R)
• M11: 3,885,954 km (0.116 R)
• M12: 4,444,104 km (0.11 R)
• M13: 4,786,533 km (0.066 R)
• M14: 5,380,287 km (0.103 R)
• M15: 5,971,049 km (0.045 R)
• M16: 6,335,171 km (0.092 R)
• M17: 7,973,267 km (0.118 R)
• M18: 8,479,806 km (0.073 R)
• M19: 9,804,196 km (0.107 R)
• M20: 10,874,718 km (0.034 R)
• M21: 11,899,164 km (0.097 R)
• M22: 14,047,390 km (0.051 R)
• M23: 14,552,731 km (0.032 R)
• M24: 16,141,161 km (0.047 R)
• M25: 17,262,397 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 12.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.48 AU - 3.3 AU

Year: 3391 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,195,331 km

• M1: 160,519 km (0.053 R)
• M2: 2,779,678 km (0.093 R)
• M3: 4,500,502 km (0.047 R)
• M4: 5,914,950 km (0.097 R)
• M5: 9,000,406 km (0.069 R)
• M6: 12,736,763 km (0.12 R)
• M7: 13,368,365 km (0.098 R)
• M8: 14,020,612 km (0.065 R)
• M9: 14,969,361 km (0.094 R)
• M10: 15,720,642 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 11.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.46 AU - 4.62 AU

Year: 5605 Days

Day: 8.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,195,331 km

• M1: 146,008 km (0.093 R)
• M2: 516,262 km (0.114 R)
• M3: 1,528,890 km (0.045 R)
• M4: 2,261,770 km (0.112 R)
• M5: 2,644,741 km (0.103 R)
• M6: 3,388,093 km (0.08 R)
• M7: 4,189,638 km (0.107 R)
• M8: 4,662,816 km (0.078 R)
• M9: 5,972,097 km (0.062 R)
• M10: 6,573,181 km (0.11 R)
• M11: 7,141,054 km (0.03 R)
• M12: 7,935,868 km (0.072 R)
• M13: 8,415,927 km (0.1 R)
• M14: 10,251,044 km (0.062 R)
• M15: 14,696,944 km (0.064 R)
• M16: 15,545,612 km (0.077 R)
• M17: 17,945,761 km (0.062 R)
• M18: 21,261,897 km (0.11 R)
• M19: 22,111,612 km (0.073 R)
• M20: 22,743,663 km (0.028 R)
• M21: 23,225,668 km (0.057 R)
• M22: 24,460,299 km (0.12 R)
• M23: 25,825,080 km (0.096 R)
• M24: 28,986,532 km (0.072 R)
• M25: 30,127,366 km (0.092 R)
• M26: 30,708,853 km (0.108 R)
• M27: 34,885,027 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.8

Radius: 10.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.05 AU - 6.05 AU

Year: 7833 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,195,331 km

• M1: 135,685 km (0.098 R)
• M2: 608,863 km (0.071 R)
• M3: 1,408,763 km (0.069 R)
• M4: 1,787,246 km (0.108 R)
• M5: 2,573,083 km (0.119 R)
• M6: 2,966,077 km (0.119 R)
• M7: 3,356,228 km (0.113 R)
• M8: 3,994,114 km (0.115 R)
• M9: 4,550,618 km (0.113 R)
• M10: 5,850,324 km (0.111 R)
• M11: 6,569,441 km (0.102 R)
• M12: 8,503,143 km (0.085 R)
• M13: 9,911,607 km (0.111 R)
• M14: 11,921,903 km (0.119 R)
• M15: 13,681,772 km (0.076 R)
• M16: 14,770,396 km (0.112 R)
• M17: 17,511,777 km (0.119 R)
• M18: 17,977,176 km (0.104 R)
• M19: 18,932,658 km (0.116 R)
• M20: 19,921,799 km (0.097 R)
• M21: 20,870,848 km (0.117 R)
• M22: 22,234,283 km (0.064 R)
• M23: 24,720,151 km (0.115 R)
• M24: 25,987,095 km (0.037 R)
• M25: 28,013,248 km (0.107 R)
• M26: 29,953,234 km (0.071 R)
• M27: 31,588,039 km (0.063 R)
• M28: 33,688,692 km (0.109 R)
• M29: 34,099,189 km (0.027 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.2

Radius: 6.2

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.3 AU - 9.82 AU

Year: 17287 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,195,331 km

• M1: 78,090 km (0.106 R)
• M2: 309,368 km (0.056 R)
• M3: 763,996 km (0.096 R)
• M4: 1,002,007 km (0.115 R)
• M5: 1,954,197 km (0.085 R)
• M6: 2,541,069 km (0.118 R)
• M7: 3,721,097 km (0.034 R)
• M8: 4,447,844 km (0.036 R)
• M9: 4,934,336 km (0.111 R)
• M10: 5,379,091 km (0.112 R)
• M11: 5,769,691 km (0.042 R)
• M12: 7,863,911 km (0.11 R)
• M13: 11,654,721 km (0.025 R)
• M14: 17,842,688 km (0.082 R)
• M15: 18,273,230 km (0.105 R)
• M16: 18,887,479 km (0.065 R)
• M17: 19,880,510 km (0.081 R)
• M18: 22,865,586 km (0.096 R)
• M19: 24,517,296 km (0.038 R)
• M20: 27,710,911 km (0.054 R)
• M21: 29,706,397 km (0.093 R)
• M22: 30,311,072 km (0.112 R)
• M23: 30,555,215 km (0.057 R)
• M24: 45,617,776 km (0.104 R)
• M25: 46,260,748 km (0.062 R)
• M26: 47,729,350 km (0.079 R)
• M27: 52,849,038 km (0.113 R)
• M28: 55,723,561 km (0.097 R)
• M29: 62,766,779 km (0.104 R)
• M30: 63,362,627 km (0.094 R)
• M31: 63,962,215 km (0.105 R)
• M32: 67,431,240 km (0.083 R)
• M33: 69,529,350 km (0.114 R)
• M34: 69,954,059 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 16,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit