🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 14.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 541 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,726,202 km

• M1: 185,352 km (0.098 R)
• M2: 655,687 km (0.117 R)
• M3: 1,678,638 km (0.116 R)
• M4: 2,143,289 km (0.092 R)
• M5: 2,739,287 km (0.079 R)
• M6: 3,317,632 km (0.103 R)
• M7: 3,891,789 km (0.049 R)
• M8: 5,207,951 km (0.071 R)
• M9: 6,200,084 km (0.066 R)
• M10: 6,824,655 km (0.116 R)
• M11: 7,535,394 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.7

Radius: 14

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.93 AU - 1.45 AU

Year: 896 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,726,202 km

• M1: 184,454 km (0.044 R)
• M2: 630,106 km (0.102 R)
• M3: 1,587,233 km (0.097 R)
• M4: 2,025,705 km (0.081 R)
• M5: 3,096,227 km (0.099 R)
• M6: 3,711,374 km (0.093 R)
• M7: 4,531,469 km (0.106 R)
• M8: 5,240,862 km (0.104 R)
• M9: 6,553,584 km (0.094 R)
• M10: 7,396,568 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 10.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.14 AU - 1.4 AU

Year: 988 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,726,202 km

• M1: 133,142 km (0.117 R)
• M2: 508,483 km (0.12 R)
• M3: 868,864 km (0.12 R)
• M4: 1,214,136 km (0.11 R)
• M5: 1,568,234 km (0.088 R)
• M6: 2,237,236 km (0.117 R)
• M7: 2,824,707 km (0.113 R)
• M8: 3,860,223 km (0.083 R)
• M9: 5,826,388 km (0.086 R)
• M10: 6,356,713 km (0.113 R)
• M11: 6,833,631 km (0.092 R)
• M12: 7,334,335 km (0.107 R)
• M13: 7,766,373 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 14.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.52 AU - 1.82 AU

Year: 1490 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,726,202 km

• M1: 186,698 km (0.048 R)
• M2: 1,364,033 km (0.109 R)
• M3: 2,158,398 km (0.081 R)
• M4: 2,625,592 km (0.039 R)
• M5: 3,900,764 km (0.064 R)
• M6: 4,456,371 km (0.111 R)
• M7: 5,925,272 km (0.103 R)
• M8: 6,402,639 km (0.09 R)
• M9: 8,807,126 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 8.7

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.25 AU - 3.57 AU

Year: 3426 Days

Day: 11.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,726,202 km

• M1: 108,159 km (0.1 R)
• M2: 400,773 km (0.107 R)
• M3: 986,299 km (0.076 R)
• M4: 1,402,480 km (0.036 R)
• M5: 2,464,475 km (0.053 R)
• M6: 3,734,262 km (0.088 R)
• M7: 4,279,397 km (0.053 R)
• M8: 4,559,444 km (0.041 R)
• M9: 5,028,134 km (0.106 R)
• M10: 8,434,926 km (0.113 R)
• M11: 8,876,838 km (0.059 R)
• M12: 10,254,934 km (0.115 R)
• M13: 13,578,550 km (0.118 R)
• M14: 15,564,761 km (0.101 R)
• M15: 16,286,571 km (0.036 R)
• M16: 16,570,059 km (0.116 R)
• M17: 17,146,908 km (0.096 R)
• M18: 17,440,269 km (0.059 R)
• M19: 18,833,474 km (0.096 R)
• M20: 19,335,076 km (0.046 R)
• M21: 20,039,233 km (0.076 R)
• M22: 20,561,928 km (0.113 R)
• M23: 22,393,604 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 10.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.99 AU - 6.55 AU

Year: 8351 Days

Day: 14.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,726,202 km

• M1: 125,662 km (0.068 R)
• M2: 821,741 km (0.096 R)
• M3: 1,151,006 km (0.103 R)
• M4: 1,517,521 km (0.102 R)
• M5: 2,174,405 km (0.104 R)
• M6: 2,864,799 km (0.119 R)
• M7: 3,409,635 km (0.06 R)
• M8: 4,852,955 km (0.039 R)
• M9: 6,378,554 km (0.108 R)
• M10: 6,851,882 km (0.115 R)
• M11: 7,426,936 km (0.037 R)
• M12: 9,673,148 km (0.093 R)
• M13: 12,561,733 km (0.097 R)
• M14: 13,600,690 km (0.104 R)
• M15: 14,571,581 km (0.12 R)
• M16: 15,915,119 km (0.059 R)
• M17: 16,787,125 km (0.107 R)
• M18: 20,911,090 km (0.107 R)
• M19: 22,285,445 km (0.088 R)
• M20: 31,403,884 km (0.114 R)
• M21: 33,637,231 km (0.101 R)
• M22: 41,971,179 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.8

Radius: 4.2

Gravity: 49.42 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.62 AU - 11.08 AU

Year: 19735 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,726,202 km

• M1: 54,154 km (0.096 R)
• M2: 338,989 km (0.098 R)
• M3: 603,627 km (0.079 R)
• M4: 787,184 km (0.117 R)
• M5: 982,559 km (0.097 R)
• M6: 1,962,874 km (0.089 R)
• M7: 2,580,862 km (0.064 R)
• M8: 3,799,636 km (0.116 R)
• M9: 4,056,496 km (0.107 R)
• M10: 5,318,653 km (0.066 R)
• M11: 6,190,210 km (0.086 R)
• M12: 8,370,599 km (0.078 R)
• M13: 8,531,866 km (0.065 R)
• M14: 9,779,213 km (0.108 R)
• M15: 10,078,857 km (0.114 R)
• M16: 13,566,732 km (0.101 R)
• M17: 15,019,028 km (0.11 R)
• M18: 16,826,320 km (0.025 R)
• M19: 19,706,378 km (0.102 R)
• M20: 20,669,639 km (0.112 R)
• M21: 23,320,363 km (0.113 R)
• M22: 24,070,896 km (0.07 R)
• M23: 24,948,138 km (0.066 R)
• M24: 28,792,953 km (0.092 R)
• M25: 30,283,546 km (0.114 R)
• M26: 30,536,815 km (0.108 R)
• M27: 30,791,580 km (0.042 R)
• M28: 37,484,589 km (0.086 R)
• M29: 37,776,604 km (0.066 R)
• M30: 39,109,671 km (0.049 R)
• M31: 41,712,673 km (0.109 R)
• M32: 42,183,757 km (0.042 R)
• M33: 46,415,582 km (0.072 R)
• M34: 48,633,819 km (0.08 R)
• M35: 58,018,841 km (0.09 R)
• M36: 64,693,300 km (0.106 R)
• M37: 64,903,186 km (0.077 R)
• M38: 65,324,304 km (0.111 R)
• M39: 67,241,849 km (0.08 R)
• M40: 77,158,692 km (0.029 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 16,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit