🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 10.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,781,621 km

• M1: 133,142 km (0.111 R)
• M2: 470,336 km (0.119 R)
• M3: 940,223 km (0.087 R)
• M4: 1,453,643 km (0.098 R)
• M5: 2,278,376 km (0.102 R)
• M6: 2,977,746 km (0.099 R)
• M7: 3,460,348 km (0.089 R)
• M8: 4,206,991 km (0.064 R)
• M9: 4,772,172 km (0.117 R)
• M10: 5,307,433 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 13.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.87 AU - 1.27 AU

Year: 738 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,781,621 km

• M1: 170,242 km (0.095 R)
• M2: 782,995 km (0.062 R)
• M3: 1,246,300 km (0.108 R)
• M4: 1,673,851 km (0.09 R)
• M5: 2,260,573 km (0.117 R)
• M6: 2,692,462 km (0.106 R)
• M7: 3,117,470 km (0.043 R)
• M8: 3,546,666 km (0.085 R)
• M9: 4,689,295 km (0.119 R)
• M10: 5,773,580 km (0.111 R)
• M11: 6,508,854 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399

Radius: 12.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.97 AU - 1.35 AU

Year: 833 Days

Day: 6.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,781,621 km

• M1: 151,543 km (0.115 R)
• M2: 618,886 km (0.045 R)
• M3: 1,536,819 km (0.117 R)
• M4: 2,085,394 km (0.066 R)
• M5: 2,620,207 km (0.104 R)
• M6: 3,813,250 km (0.117 R)
• M7: 4,571,412 km (0.041 R)
• M8: 5,644,028 km (0.109 R)
• M9: 6,171,660 km (0.114 R)
• M10: 6,856,370 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 12.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.7 AU - 2.14 AU

Year: 1774 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 133.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,781,621 km

• M1: 154,385 km (0.074 R)
• M2: 569,519 km (0.075 R)
• M3: 993,180 km (0.049 R)
• M4: 1,394,701 km (0.097 R)
• M5: 1,929,214 km (0.082 R)
• M6: 2,696,202 km (0.081 R)
• M7: 3,657,219 km (0.078 R)
• M8: 4,343,724 km (0.099 R)
• M9: 5,757,124 km (0.092 R)
• M10: 6,148,024 km (0.107 R)
• M11: 6,956,301 km (0.113 R)
• M12: 7,343,909 km (0.098 R)
• M13: 8,012,163 km (0.087 R)
• M14: 8,407,550 km (0.1 R)
• M15: 9,106,621 km (0.097 R)
• M16: 9,639,040 km (0.06 R)
• M17: 10,476,488 km (0.098 R)
• M18: 11,901,259 km (0.094 R)
• M19: 12,782,988 km (0.05 R)
• M20: 13,621,933 km (0.115 R)
• M21: 14,497,230 km (0.102 R)
• M22: 15,596,625 km (0.107 R)
• M23: 16,166,743 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30

Radius: 12.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.2 AU - 2.5 AU

Year: 2402 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,781,621 km

• M1: 154,385 km (0.079 R)
• M2: 932,144 km (0.101 R)
• M3: 1,430,455 km (0.059 R)
• M4: 2,088,835 km (0.111 R)
• M5: 3,226,228 km (0.087 R)
• M6: 4,166,749 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.07 AU - 2.85 AU

Year: 2573 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,781,621 km

• M1: 184,005 km (0.065 R)
• M2: 651,499 km (0.104 R)
• M3: 1,124,078 km (0.047 R)
• M4: 1,849,179 km (0.118 R)
• M5: 2,648,032 km (0.088 R)
• M6: 3,115,824 km (0.11 R)
• M7: 3,581,523 km (0.099 R)
• M8: 4,189,638 km (0.081 R)
• M9: 4,725,348 km (0.081 R)
• M10: 5,344,534 km (0.048 R)
• M11: 7,344,059 km (0.112 R)
• M12: 8,127,204 km (0.075 R)
• M13: 8,857,540 km (0.092 R)
• M14: 9,377,842 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.9

Radius: 8

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.88 AU - 7.7 AU

Year: 10520 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,781,621 km

• M1: 99,483 km (0.062 R)
• M2: 480,359 km (0.09 R)
• M3: 914,342 km (0.119 R)
• M4: 1,208,003 km (0.069 R)
• M5: 2,472,404 km (0.086 R)
• M6: 3,362,811 km (0.111 R)
• M7: 3,615,631 km (0.105 R)
• M8: 4,511,872 km (0.118 R)
• M9: 5,077,202 km (0.03 R)
• M10: 5,759,817 km (0.112 R)
• M11: 6,502,122 km (0.069 R)
• M12: 7,306,510 km (0.115 R)
• M13: 9,606,278 km (0.085 R)
• M14: 11,085,352 km (0.034 R)
• M15: 18,844,844 km (0.117 R)
• M16: 22,723,767 km (0.075 R)
• M17: 23,540,272 km (0.114 R)
• M18: 24,095,430 km (0.079 R)
• M19: 24,659,264 km (0.068 R)
• M20: 25,231,925 km (0.061 R)
• M21: 26,009,086 km (0.068 R)
• M22: 31,232,595 km (0.088 R)
• M23: 35,278,619 km (0.052 R)
• M24: 36,619,016 km (0.095 R)
• M25: 37,614,889 km (0.098 R)
• M26: 39,530,789 km (0.098 R)
• M27: 42,457,072 km (0.1 R)
• M28: 44,112,523 km (0.083 R)
• M29: 48,141,941 km (0.086 R)
• M30: 50,857,741 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.8

Radius: 4.8

Gravity: 25.08 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.8 AU - 7.66 AU

Year: 11643 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,781,621 km

• M1: 59,690 km (0.089 R)
• M2: 309,967 km (0.076 R)
• M3: 550,371 km (0.084 R)
• M4: 743,202 km (0.101 R)
• M5: 1,206,507 km (0.079 R)
• M6: 1,397,843 km (0.078 R)
• M7: 2,785,064 km (0.028 R)
• M8: 3,052,245 km (0.116 R)
• M9: 3,287,862 km (0.107 R)
• M10: 3,484,882 km (0.101 R)
• M11: 5,596,157 km (0.113 R)
• M12: 5,877,700 km (0.097 R)
• M13: 6,545,505 km (0.091 R)
• M14: 7,555,141 km (0.098 R)
• M15: 8,757,609 km (0.109 R)
• M16: 9,185,309 km (0.094 R)
• M17: 9,527,440 km (0.076 R)
• M18: 12,340,777 km (0.102 R)
• M19: 14,518,025 km (0.09 R)
• M20: 15,456,302 km (0.09 R)
• M21: 17,011,372 km (0.085 R)
• M22: 17,231,132 km (0.116 R)
• M23: 19,375,318 km (0.093 R)
• M24: 19,937,806 km (0.069 R)
• M25: 23,908,432 km (0.119 R)
• M26: 26,566,637 km (0.071 R)
• M27: 27,763,719 km (0.084 R)
• M28: 33,828,267 km (0.087 R)
• M29: 34,760,711 km (0.074 R)
• M30: 37,044,023 km (0.084 R)
• M31: 38,915,792 km (0.06 R)
• M32: 42,307,923 km (0.093 R)
• M33: 42,711,538 km (0.083 R)
• M34: 46,746,791 km (0.119 R)
• M35: 50,122,318 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.4

Radius: 4.4

Gravity: 46.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.24 AU - 8.34 AU

Year: 13126 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 134.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,781,621 km

• M1: 55,202 km (0.057 R)
• M2: 219,610 km (0.1 R)
• M3: 439,070 km (0.078 R)
• M4: 660,923 km (0.108 R)
• M5: 1,119,441 km (0.031 R)
• M6: 1,345,034 km (0.099 R)
• M7: 1,491,491 km (0.096 R)
• M8: 2,227,961 km (0.061 R)
• M9: 2,790,449 km (0.108 R)
• M10: 5,471,243 km (0.06 R)
• M11: 6,200,233 km (0.097 R)
• M12: 6,484,469 km (0.094 R)
• M13: 8,133,187 km (0.066 R)
• M14: 10,434,152 km (0.064 R)
• M15: 11,428,529 km (0.093 R)
• M16: 12,484,391 km (0.105 R)
• M17: 12,741,999 km (0.106 R)
• M18: 14,292,581 km (0.12 R)
• M19: 14,932,111 km (0.113 R)
• M20: 18,252,885 km (0.116 R)
• M21: 20,128,244 km (0.096 R)
• M22: 21,570,068 km (0.027 R)
• M23: 22,983,020 km (0.104 R)
• M24: 23,859,813 km (0.051 R)
• M25: 26,306,486 km (0.11 R)
• M26: 27,050,437 km (0.095 R)
• M27: 30,864,285 km (0.049 R)
• M28: 39,674,851 km (0.047 R)
• M29: 41,503,236 km (0.053 R)
• M30: 41,789,417 km (0.102 R)
• M31: 46,088,112 km (0.08 R)
• M32: 47,012,926 km (0.072 R)
• M33: 48,107,384 km (0.096 R)
• M34: 50,184,700 km (0.104 R)
• M35: 51,163,369 km (0.104 R)
• M36: 53,835,187 km (0.098 R)
• M37: 57,836,631 km (0.034 R)
• M38: 61,473,505 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 12,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit