🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507

Radius: 14.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.5 AU - 0.64 AU

Year: 302 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,305,749 km

• M1: 179,069 km (0.056 R)
• M2: 633,248 km (0.118 R)
• M3: 1,343,090 km (0.062 R)
• M4: 2,273,738 km (0.071 R)
• M5: 2,906,986 km (0.072 R)
• M6: 3,868,900 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.5

Radius: 14.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.76 AU - 1.24 AU

Year: 703 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,305,749 km

• M1: 177,872 km (0.059 R)
• M2: 844,929 km (0.094 R)
• M3: 1,413,401 km (0.102 R)
• M4: 2,157,800 km (0.12 R)
• M5: 2,610,632 km (0.093 R)
• M6: 3,310,750 km (0.053 R)
• M7: 4,371,998 km (0.097 R)
• M8: 5,053,715 km (0.084 R)
• M9: 5,591,520 km (0.1 R)
• M10: 6,739,234 km (0.062 R)
• M11: 7,580,274 km (0.094 R)
• M12: 8,439,265 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 13.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.18 AU - 1.38 AU

Year: 1018 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,305,749 km

• M1: 170,392 km (0.079 R)
• M2: 629,508 km (0.099 R)
• M3: 1,101,938 km (0.104 R)
• M4: 1,615,059 km (0.097 R)
• M5: 2,096,465 km (0.064 R)
• M6: 2,625,293 km (0.058 R)
• M7: 3,117,470 km (0.091 R)
• M8: 3,972,871 km (0.115 R)
• M9: 4,772,770 km (0.039 R)
• M10: 5,719,575 km (0.102 R)
• M11: 6,193,801 km (0.109 R)
• M12: 6,764,517 km (0.103 R)
• M13: 7,828,606 km (0.116 R)
• M14: 8,859,186 km (0.101 R)
• M15: 9,437,082 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.7

Radius: 8.1

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.39 AU - 3.21 AU

Year: 3293 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,305,749 km

• M1: 100,829 km (0.094 R)
• M2: 353,649 km (0.047 R)
• M3: 720,613 km (0.082 R)
• M4: 1,193,641 km (0.098 R)
• M5: 1,873,713 km (0.086 R)
• M6: 2,151,068 km (0.112 R)
• M7: 2,517,283 km (0.067 R)
• M8: 2,773,245 km (0.062 R)
• M9: 3,153,673 km (0.104 R)
• M10: 4,370,801 km (0.117 R)
• M11: 5,185,960 km (0.119 R)
• M12: 5,656,744 km (0.116 R)
• M13: 5,958,184 km (0.089 R)
• M14: 6,212,800 km (0.045 R)
• M15: 6,563,607 km (0.03 R)
• M16: 8,274,109 km (0.085 R)
• M17: 8,917,230 km (0.054 R)
• M18: 9,402,077 km (0.116 R)
• M19: 10,465,269 km (0.112 R)
• M20: 11,047,055 km (0.049 R)
• M21: 13,064,083 km (0.069 R)
• M22: 13,350,264 km (0.115 R)
• M23: 17,987,199 km (0.118 R)
• M24: 19,744,376 km (0.086 R)
• M25: 22,081,095 km (0.12 R)
• M26: 22,351,567 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 11.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.96 AU - 4.34 AU

Year: 4902 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,305,749 km

• M1: 145,559 km (0.057 R)
• M2: 543,788 km (0.055 R)
• M3: 995,723 km (0.03 R)
• M4: 1,617,003 km (0.1 R)
• M5: 2,131,470 km (0.083 R)
• M6: 2,550,195 km (0.06 R)
• M7: 2,987,021 km (0.069 R)
• M8: 3,412,477 km (0.112 R)
• M9: 3,945,345 km (0.104 R)
• M10: 4,682,862 km (0.093 R)
• M11: 5,943,972 km (0.076 R)
• M12: 6,463,376 km (0.071 R)
• M13: 6,946,727 km (0.11 R)
• M14: 7,628,594 km (0.073 R)
• M15: 8,058,837 km (0.054 R)
• M16: 9,086,425 km (0.114 R)
• M17: 9,986,705 km (0.103 R)
• M18: 11,586,953 km (0.073 R)
• M19: 12,945,003 km (0.037 R)
• M20: 15,801,724 km (0.118 R)
• M21: 16,208,181 km (0.11 R)
• M22: 20,596,485 km (0.065 R)
• M23: 22,583,444 km (0.081 R)
• M24: 27,935,607 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122

Radius: 6.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.51 AU - 7.09 AU

Year: 12464 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,305,749 km

• M1: 78,539 km (0.102 R)
• M2: 619,634 km (0.112 R)
• M3: 2,842,360 km (0.112 R)
• M4: 6,188,864 km (0.115 R)
• M5: 6,841,859 km (0.09 R)
• M6: 13,117,639 km (0.096 R)
• M7: 14,806,898 km (0.03 R)
• M8: 16,331,450 km (0.095 R)
• M9: 20,103,710 km (0.048 R)
• M10: 23,402,493 km (0.061 R)
• M11: 27,557,424 km (0.109 R)
• M12: 28,338,474 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.9

Radius: 7.8

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.63 AU - 8.13 AU

Year: 12685 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,305,749 km

• M1: 98,884 km (0.053 R)
• M2: 523,742 km (0.037 R)
• M3: 1,166,115 km (0.075 R)
• M4: 1,418,637 km (0.109 R)
• M5: 1,755,082 km (0.071 R)
• M6: 2,273,439 km (0.07 R)
• M7: 3,798,589 km (0.115 R)
• M8: 4,452,033 km (0.089 R)
• M9: 5,312,220 km (0.118 R)
• M10: 5,622,337 km (0.108 R)
• M11: 6,316,770 km (0.116 R)
• M12: 11,503,478 km (0.113 R)
• M13: 14,328,185 km (0.111 R)
• M14: 17,358,439 km (0.119 R)
• M15: 21,303,186 km (0.114 R)
• M16: 23,345,496 km (0.087 R)
• M17: 24,179,055 km (0.095 R)
• M18: 37,264,530 km (0.077 R)
• M19: 47,462,468 km (0.114 R)
• M20: 50,772,919 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.3

Radius: 7.3

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.15 AU - 8.05 AU

Year: 13298 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,305,749 km

• M1: 96,341 km (0.083 R)
• M2: 512,074 km (0.12 R)
• M3: 1,067,680 km (0.086 R)
• M4: 1,858,155 km (0.102 R)
• M5: 2,311,138 km (0.072 R)
• M6: 2,967,274 km (0.028 R)
• M7: 3,243,282 km (0.09 R)
• M8: 4,553,161 km (0.046 R)
• M9: 6,482,375 km (0.099 R)
• M10: 7,109,340 km (0.119 R)
• M11: 7,605,556 km (0.073 R)
• M12: 8,168,941 km (0.064 R)
• M13: 9,575,012 km (0.088 R)
• M14: 10,026,648 km (0.116 R)
• M15: 10,439,837 km (0.111 R)
• M16: 11,976,058 km (0.046 R)
• M17: 15,017,382 km (0.097 R)
• M18: 16,465,340 km (0.05 R)
• M19: 18,769,446 km (0.045 R)
• M20: 27,056,121 km (0.11 R)
• M21: 28,059,624 km (0.098 R)
• M22: 28,983,989 km (0.034 R)
• M23: 40,397,708 km (0.082 R)
• M24: 40,657,560 km (0.115 R)
• M25: 42,641,377 km (0.111 R)
• M26: 49,126,594 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407

Radius: 3.6

Gravity: 31.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.68 AU - 9.34 AU

Year: 17450 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 35,305,749 km

• M1: 52,509 km (0.103 R)
• M2: 185,202 km (0.098 R)
• M3: 362,924 km (0.082 R)
• M4: 490,980 km (0.046 R)
• M5: 745,596 km (0.119 R)
• M6: 1,298,659 km (0.03 R)
• M7: 1,589,328 km (0.102 R)
• M8: 2,590,287 km (0.114 R)
• M9: 3,323,765 km (0.11 R)
• M10: 3,780,039 km (0.056 R)
• M11: 4,815,705 km (0.114 R)
• M12: 5,542,302 km (0.064 R)
• M13: 6,181,833 km (0.094 R)
• M14: 6,499,279 km (0.108 R)
• M15: 6,703,032 km (0.108 R)
• M16: 7,472,264 km (0.095 R)
• M17: 7,606,005 km (0.113 R)
• M18: 7,924,050 km (0.091 R)
• M19: 8,490,128 km (0.101 R)
• M20: 8,882,074 km (0.065 R)
• M21: 9,702,020 km (0.083 R)
• M22: 10,349,181 km (0.025 R)
• M23: 10,853,176 km (0.119 R)
• M24: 11,314,685 km (0.084 R)
• M25: 12,400,766 km (0.087 R)
• M26: 13,820,150 km (0.106 R)
• M27: 15,778,536 km (0.037 R)
• M28: 16,445,444 km (0.118 R)
• M29: 18,558,364 km (0.057 R)
• M30: 22,470,199 km (0.092 R)
• M31: 22,655,700 km (0.109 R)
• M32: 24,080,470 km (0.035 R)
• M33: 32,460,195 km (0.046 R)
• M34: 32,578,676 km (0.108 R)
• M35: 34,022,595 km (0.066 R)
• M36: 39,682,032 km (0.066 R)
• M37: 44,901,053 km (0.101 R)
• M38: 48,674,958 km (0.073 R)
• M39: 49,925,746 km (0.118 R)
• M40: 51,037,707 km (0.044 R)
• M41: 54,472,474 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.4

Radius: 5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.5 AU - 11.5 AU

Year: 22228 Days

Day: 16.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,305,749 km

• M1: 62,382 km (0.057 R)
• M2: 223,350 km (0.116 R)
• M3: 1,679,236 km (0.081 R)
• M4: 2,300,965 km (0.079 R)
• M5: 4,033,308 km (0.079 R)
• M6: 6,486,564 km (0.104 R)
• M7: 7,448,628 km (0.095 R)
• M8: 11,489,715 km (0.077 R)
• M9: 12,411,687 km (0.106 R)
• M10: 17,770,731 km (0.102 R)
• M11: 19,494,398 km (0.117 R)
• M12: 27,238,332 km (0.118 R)
• M13: 31,634,863 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 15,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit