🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.39 AU - 2.05 AU

Year: 859 Days

Day: 42.6 Hours

Environment

Temp: -74 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.27 AU - 4.65 AU

Year: 3001 Days

Day: 35 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 14.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.72 AU - 7.88 AU

Year: 7511 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,362,756 km

• M1: 184,155 km (0.093 R)
• M2: 835,654 km (0.109 R)
• M3: 1,399,787 km (0.075 R)
• M4: 2,982,682 km (0.098 R)
• M5: 3,506,125 km (0.076 R)
• M6: 4,434,829 km (0.106 R)
• M7: 5,585,984 km (0.075 R)
• M8: 7,077,026 km (0.109 R)
• M9: 7,734,958 km (0.025 R)
• M10: 9,445,161 km (0.106 R)
• M11: 12,744,243 km (0.095 R)
• M12: 13,428,204 km (0.119 R)
• M13: 15,692,368 km (0.079 R)
• M14: 18,200,825 km (0.074 R)
• M15: 18,776,627 km (0.095 R)
• M16: 20,192,870 km (0.077 R)
• M17: 21,759,459 km (0.094 R)
• M18: 24,432,623 km (0.101 R)
• M19: 26,945,269 km (0.092 R)
• M20: 31,235,138 km (0.042 R)
• M21: 31,853,426 km (0.103 R)
• M22: 33,114,536 km (0.117 R)
• M23: 34,299,501 km (0.084 R)
• M24: 35,848,287 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 10.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.15 AU - 9.11 AU

Year: 8026 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 98,362,756 km

• M1: 132,095 km (0.077 R)
• M2: 489,634 km (0.1 R)
• M3: 1,235,828 km (0.055 R)
• M4: 1,955,394 km (0.108 R)
• M5: 3,156,964 km (0.089 R)
• M6: 3,705,240 km (0.064 R)
• M7: 4,163,458 km (0.119 R)
• M8: 4,525,036 km (0.097 R)
• M9: 5,282,151 km (0.112 R)
• M10: 7,869,596 km (0.052 R)
• M11: 8,343,971 km (0.111 R)
• M12: 11,703,789 km (0.035 R)
• M13: 13,181,517 km (0.082 R)
• M14: 15,503,426 km (0.095 R)
• M15: 17,020,498 km (0.066 R)
• M16: 17,747,992 km (0.085 R)
• M17: 19,909,981 km (0.091 R)
• M18: 22,555,469 km (0.051 R)
• M19: 28,257,991 km (0.097 R)
• M20: 30,130,507 km (0.103 R)
• M21: 32,888,793 km (0.097 R)
• M22: 34,433,690 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.3

Radius: 13.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.27 AU - 9.87 AU

Year: 9554 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 98,362,756 km

• M1: 165,605 km (0.051 R)
• M2: 820,544 km (0.113 R)
• M3: 2,080,906 km (0.032 R)
• M4: 3,588,404 km (0.114 R)
• M5: 4,443,954 km (0.047 R)
• M6: 5,580,001 km (0.069 R)
• M7: 6,872,526 km (0.065 R)
• M8: 13,344,280 km (0.062 R)
• M9: 16,987,736 km (0.072 R)
• M10: 19,210,760 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 9.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.29 AU - 11.23 AU

Year: 10730 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,362,756 km

• M1: 119,379 km (0.107 R)
• M2: 435,330 km (0.093 R)
• M3: 1,148,313 km (0.069 R)
• M4: 1,673,252 km (0.079 R)
• M5: 2,015,682 km (0.05 R)
• M6: 2,334,026 km (0.093 R)
• M7: 3,428,334 km (0.078 R)
• M8: 3,885,655 km (0.066 R)
• M9: 4,410,444 km (0.114 R)
• M10: 4,747,488 km (0.106 R)
• M11: 5,254,775 km (0.111 R)
• M12: 5,863,937 km (0.12 R)
• M13: 6,519,475 km (0.116 R)
• M14: 6,995,645 km (0.105 R)
• M15: 7,534,198 km (0.096 R)
• M16: 8,183,452 km (0.059 R)
• M17: 8,521,693 km (0.105 R)
• M18: 8,825,377 km (0.11 R)
• M19: 9,408,509 km (0.096 R)
• M20: 13,755,823 km (0.073 R)
• M21: 14,417,495 km (0.096 R)
• M22: 18,841,253 km (0.087 R)
• M23: 19,883,951 km (0.087 R)
• M24: 21,439,469 km (0.096 R)
• M25: 38,781,303 km (0.077 R)
• M26: 40,587,548 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.6

Radius: 3.9

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 9.26 AU - 14.3 AU

Year: 15396 Days

Day: 23.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 98,362,756 km

• M1: 48,919 km (0.032 R)
• M2: 244,144 km (0.039 R)
• M3: 393,293 km (0.038 R)
• M4: 619,036 km (0.107 R)
• M5: 836,402 km (0.086 R)
• M6: 1,804,001 km (0.112 R)
• M7: 2,062,655 km (0.076 R)
• M8: 2,445,327 km (0.037 R)
• M9: 2,965,179 km (0.103 R)
• M10: 3,105,801 km (0.03 R)
• M11: 3,426,090 km (0.104 R)
• M12: 3,905,402 km (0.112 R)
• M13: 4,801,493 km (0.1 R)
• M14: 5,128,365 km (0.099 R)
• M15: 5,400,483 km (0.114 R)
• M16: 6,866,692 km (0.107 R)
• M17: 7,800,931 km (0.06 R)
• M18: 9,207,300 km (0.048 R)
• M19: 9,609,120 km (0.106 R)
• M20: 12,755,163 km (0.104 R)
• M21: 14,693,652 km (0.067 R)
• M22: 18,424,773 km (0.115 R)
• M23: 19,549,450 km (0.102 R)
• M24: 20,128,693 km (0.071 R)
• M25: 21,582,784 km (0.092 R)
• M26: 27,996,344 km (0.119 R)
• M27: 28,626,001 km (0.117 R)
• M28: 34,006,438 km (0.117 R)
• M29: 34,723,012 km (0.103 R)
• M30: 39,365,632 km (0.116 R)
• M31: 43,420,483 km (0.084 R)
• M32: 43,700,380 km (0.052 R)
• M33: 47,152,501 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.6

Radius: 8

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 11.49 AU - 13.67 AU

Year: 16991 Days

Day: 23 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 98,362,756 km

• M1: 99,483 km (0.07 R)
• M2: 535,860 km (0.105 R)
• M3: 835,803 km (0.114 R)
• M4: 1,302,399 km (0.12 R)
• M5: 1,643,632 km (0.105 R)
• M6: 2,573,383 km (0.074 R)
• M7: 2,894,719 km (0.032 R)
• M8: 3,535,596 km (0.108 R)
• M9: 4,174,678 km (0.055 R)
• M10: 5,456,882 km (0.053 R)
• M11: 5,795,571 km (0.106 R)
• M12: 6,350,280 km (0.113 R)
• M13: 6,767,808 km (0.063 R)
• M14: 7,892,036 km (0.03 R)
• M15: 9,942,424 km (0.078 R)
• M16: 10,678,894 km (0.1 R)
• M17: 11,696,310 km (0.099 R)
• M18: 13,040,446 km (0.097 R)
• M19: 15,430,572 km (0.114 R)
• M20: 17,044,433 km (0.108 R)
• M21: 17,364,124 km (0.063 R)
• M22: 19,023,164 km (0.098 R)
• M23: 19,979,244 km (0.045 R)
• M24: 29,266,131 km (0.076 R)
• M25: 31,848,489 km (0.084 R)
• M26: 38,411,796 km (0.047 R)
• M27: 40,785,167 km (0.116 R)
• M28: 41,790,315 km (0.055 R)
• M29: 43,254,728 km (0.092 R)
• M30: 43,700,680 km (0.081 R)
• M31: 46,908,357 km (0.11 R)
• M32: 48,649,676 km (0.09 R)
• M33: 61,311,191 km (0.116 R)
• M34: 61,873,829 km (0.114 R)
• M35: 62,440,057 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310

Radius: 3.7

Gravity: 22.64 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 14.84 AU - 15.78 AU

Year: 22812 Days

Day: 24.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 98,362,756 km

• M1: 46,076 km (0.115 R)
• M2: 182,809 km (0.097 R)
• M3: 393,442 km (0.111 R)
• M4: 1,078,002 km (0.095 R)
• M5: 1,459,926 km (0.113 R)
• M6: 2,754,845 km (0.082 R)
• M7: 3,019,184 km (0.117 R)
• M8: 3,973,469 km (0.101 R)
• M9: 7,316,084 km (0.116 R)
• M10: 9,214,780 km (0.114 R)
• M11: 11,297,332 km (0.075 R)
• M12: 11,539,830 km (0.111 R)
• M13: 11,723,836 km (0.098 R)
• M14: 12,479,754 km (0.079 R)
• M15: 17,790,179 km (0.089 R)
• M16: 21,717,272 km (0.105 R)
• M17: 30,872,662 km (0.091 R)
• M18: 33,413,283 km (0.084 R)
• M19: 35,569,587 km (0.032 R)
• M20: 43,919,092 km (0.111 R)
• M21: 45,122,458 km (0.044 R)
• M22: 49,992,916 km (0.114 R)
• M23: 50,645,910 km (0.102 R)
• M24: 57,134,419 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864

Radius: 4.9

Gravity: 35.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 14.28 AU - 19.28 AU

Year: 26175 Days

Day: 20 Hours

Environment

Temp: -190 °C

Axial Tilt: 102 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 98,362,756 km

• M1: 63,280 km (0.045 R)
• M2: 230,830 km (0.115 R)
• M3: 478,863 km (0.086 R)
• M4: 1,037,910 km (0.084 R)
• M5: 1,671,756 km (0.071 R)
• M6: 1,869,674 km (0.073 R)
• M7: 2,061,010 km (0.098 R)
• M8: 2,559,021 km (0.104 R)
• M9: 5,670,657 km (0.116 R)
• M10: 6,447,070 km (0.105 R)
• M11: 6,639,602 km (0.096 R)
• M12: 8,840,785 km (0.109 R)
• M13: 11,625,999 km (0.104 R)
• M14: 11,983,687 km (0.108 R)
• M15: 12,496,658 km (0.057 R)
• M16: 13,254,820 km (0.105 R)
• M17: 17,416,932 km (0.101 R)
• M18: 17,696,830 km (0.038 R)
• M19: 23,716,498 km (0.071 R)
• M20: 25,951,191 km (0.085 R)
• M21: 27,306,997 km (0.032 R)
• M22: 27,684,881 km (0.04 R)
• M23: 29,362,472 km (0.079 R)
• M24: 34,213,781 km (0.056 R)
• M25: 36,599,269 km (0.1 R)
• M26: 40,708,124 km (0.083 R)
• M27: 42,367,015 km (0.057 R)
• M28: 43,897,999 km (0.11 R)
• M29: 46,174,131 km (0.092 R)
• M30: 61,502,228 km (0.12 R)
• M31: 63,683,365 km (0.105 R)
• M32: 67,738,365 km (0.099 R)
• M33: 69,828,845 km (0.073 R)
• M34: 73,165,775 km (0.118 R)
• M35: 74,382,754 km (0.108 R)
• M36: 85,411,558 km (0.106 R)
• M37: 90,613,375 km (0.1 R)
• M38: 94,578,616 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 11,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit