🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 12.2

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1 AU - 1.3 AU

Year: 809 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,409,010 km

• M1: 152,141 km (0.053 R)
• M2: 510,129 km (0.111 R)
• M3: 859,440 km (0.085 R)
• M4: 1,130,362 km (0.111 R)
• M5: 1,402,630 km (0.108 R)
• M6: 1,700,479 km (0.117 R)
• M7: 1,944,623 km (0.07 R)
• M8: 2,316,523 km (0.048 R)
• M9: 2,723,429 km (0.117 R)
• M10: 3,537,242 km (0.118 R)
• M11: 4,192,181 km (0.087 R)
• M12: 4,462,654 km (0.05 R)
• M13: 5,198,077 km (0.117 R)
• M14: 5,840,002 km (0.099 R)
• M15: 7,306,659 km (0.091 R)
• M16: 7,613,335 km (0.073 R)
• M17: 8,156,525 km (0.068 R)
• M18: 8,571,808 km (0.104 R)
• M19: 8,960,164 km (0.099 R)
• M20: 9,242,904 km (0.043 R)
• M21: 9,510,834 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 11.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.42 AU - 1.8 AU

Year: 1340 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,409,010 km

• M1: 145,110 km (0.083 R)
• M2: 489,185 km (0.113 R)
• M3: 858,093 km (0.097 R)
• M4: 1,710,352 km (0.111 R)
• M5: 2,178,594 km (0.097 R)
• M6: 2,444,130 km (0.083 R)
• M7: 3,258,092 km (0.098 R)
• M8: 3,840,177 km (0.059 R)
• M9: 4,082,376 km (0.035 R)
• M10: 5,447,756 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.6

Radius: 9.3

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.15 AU - 5.91 AU

Year: 8531 Days

Day: 11.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,409,010 km

• M1: 115,789 km (0.109 R)
• M2: 424,708 km (0.106 R)
• M3: 894,595 km (0.076 R)
• M4: 1,275,920 km (0.061 R)
• M5: 1,859,053 km (0.083 R)
• M6: 3,507,172 km (0.088 R)
• M7: 5,030,079 km (0.086 R)
• M8: 8,076,191 km (0.049 R)
• M9: 9,128,462 km (0.082 R)
• M10: 9,380,534 km (0.085 R)
• M11: 12,480,651 km (0.074 R)
• M12: 13,325,430 km (0.119 R)
• M13: 14,512,938 km (0.066 R)
• M14: 15,206,624 km (0.049 R)
• M15: 15,423,391 km (0.104 R)
• M16: 16,586,664 km (0.115 R)
• M17: 17,270,476 km (0.077 R)
• M18: 17,675,736 km (0.034 R)
• M19: 19,466,573 km (0.082 R)
• M20: 19,773,398 km (0.114 R)
• M21: 21,730,138 km (0.119 R)
• M22: 22,119,691 km (0.045 R)
• M23: 24,666,894 km (0.101 R)
• M24: 27,571,636 km (0.094 R)
• M25: 29,648,652 km (0.098 R)
• M26: 29,951,438 km (0.086 R)
• M27: 32,272,449 km (0.089 R)
• M28: 32,509,412 km (0.088 R)
• M29: 33,545,976 km (0.047 R)
• M30: 35,419,839 km (0.068 R)
• M31: 36,585,356 km (0.097 R)
• M32: 36,921,951 km (0.06 R)
• M33: 37,770,022 km (0.096 R)
• M34: 38,713,984 km (0.081 R)
• M35: 38,973,387 km (0.049 R)
• M36: 39,582,250 km (0.053 R)
• M37: 41,975,068 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 5.8

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.78 AU - 6.82 AU

Year: 11632 Days

Day: 18.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 56,409,010 km

• M1: 76,145 km (0.106 R)
• M2: 376,388 km (0.095 R)
• M3: 599,588 km (0.086 R)
• M4: 1,083,238 km (0.106 R)
• M5: 1,669,662 km (0.054 R)
• M6: 1,795,623 km (0.089 R)
• M7: 2,101,401 km (0.102 R)
• M8: 2,518,779 km (0.091 R)
• M9: 3,047,009 km (0.101 R)
• M10: 3,548,312 km (0.102 R)
• M11: 4,173,033 km (0.057 R)
• M12: 4,489,881 km (0.085 R)
• M13: 4,758,110 km (0.12 R)
• M14: 4,941,218 km (0.087 R)
• M15: 6,965,875 km (0.113 R)
• M16: 7,187,579 km (0.104 R)
• M17: 8,429,690 km (0.073 R)
• M18: 10,706,420 km (0.109 R)
• M19: 11,213,258 km (0.104 R)
• M20: 11,447,678 km (0.036 R)
• M21: 11,684,342 km (0.057 R)
• M22: 12,409,143 km (0.081 R)
• M23: 12,606,164 km (0.113 R)
• M24: 12,804,680 km (0.113 R)
• M25: 14,238,277 km (0.117 R)
• M26: 15,970,321 km (0.114 R)
• M27: 17,861,088 km (0.116 R)
• M28: 20,484,137 km (0.095 R)
• M29: 21,312,610 km (0.043 R)
• M30: 21,700,518 km (0.045 R)
• M31: 23,019,073 km (0.116 R)
• M32: 25,000,198 km (0.084 R)
• M33: 25,702,261 km (0.112 R)
• M34: 27,063,302 km (0.096 R)
• M35: 27,500,427 km (0.087 R)
• M36: 29,283,933 km (0.087 R)
• M37: 33,502,144 km (0.094 R)
• M38: 35,468,159 km (0.101 R)
• M39: 40,274,140 km (0.099 R)
• M40: 41,974,171 km (0.049 R)
• M41: 42,974,532 km (0.099 R)
• M42: 43,709,356 km (0.12 R)
• M43: 44,823,561 km (0.048 R)
• M44: 47,573,918 km (0.112 R)
• M45: 48,250,100 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.2

Radius: 5.2

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.63 AU - 8.81 AU

Year: 14071 Days

Day: 21.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,409,010 km

• M1: 67,917 km (0.116 R)
• M2: 328,068 km (0.11 R)
• M3: 1,483,562 km (0.056 R)
• M4: 3,034,593 km (0.114 R)
• M5: 4,623,771 km (0.103 R)
• M6: 5,066,880 km (0.119 R)
• M7: 5,922,580 km (0.102 R)
• M8: 7,349,743 km (0.025 R)
• M9: 9,468,498 km (0.113 R)
• M10: 9,861,043 km (0.073 R)
• M11: 10,342,748 km (0.085 R)
• M12: 11,298,379 km (0.04 R)
• M13: 13,475,926 km (0.099 R)
• M14: 17,182,063 km (0.114 R)
• M15: 21,751,082 km (0.062 R)
• M16: 24,991,371 km (0.069 R)
• M17: 26,859,849 km (0.104 R)
• M18: 31,151,662 km (0.087 R)
• M19: 32,148,582 km (0.069 R)
• M20: 37,524,681 km (0.116 R)
• M21: 38,697,080 km (0.092 R)
• M22: 40,127,684 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.8

Radius: 3.7

Gravity: 23.51 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.14 AU - 8.7 AU

Year: 14622 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,409,010 km

• M1: 55,351 km (0.051 R)
• M2: 143,165 km (0.1 R)
• M3: 212,878 km (0.032 R)
• M4: 301,589 km (0.077 R)
• M5: 647,609 km (0.087 R)
• M6: 783,444 km (0.075 R)
• M7: 1,617,153 km (0.076 R)
• M8: 3,164,444 km (0.092 R)
• M9: 4,247,832 km (0.117 R)
• M10: 4,507,234 km (0.085 R)
• M11: 4,895,590 km (0.065 R)
• M12: 5,080,344 km (0.119 R)
• M13: 5,524,799 km (0.118 R)
• M14: 5,655,248 km (0.113 R)
• M15: 5,787,194 km (0.047 R)
• M16: 7,154,369 km (0.115 R)
• M17: 7,228,420 km (0.045 R)
• M18: 7,912,082 km (0.112 R)
• M19: 8,667,401 km (0.084 R)
• M20: 8,913,191 km (0.104 R)
• M21: 10,504,762 km (0.098 R)
• M22: 12,913,887 km (0.059 R)
• M23: 13,163,416 km (0.113 R)
• M24: 13,516,916 km (0.088 R)
• M25: 13,875,203 km (0.083 R)
• M26: 14,237,977 km (0.112 R)
• M27: 15,085,150 km (0.114 R)
• M28: 18,361,792 km (0.116 R)
• M29: 18,899,148 km (0.064 R)
• M30: 20,746,382 km (0.087 R)
• M31: 20,935,773 km (0.084 R)
• M32: 23,814,036 km (0.043 R)
• M33: 26,591,620 km (0.109 R)
• M34: 26,662,978 km (0.06 R)
• M35: 27,891,625 km (0.088 R)
• M36: 28,924,300 km (0.04 R)
• M37: 30,355,652 km (0.104 R)
• M38: 34,288,131 km (0.073 R)
• M39: 36,678,855 km (0.077 R)
• M40: 39,063,594 km (0.101 R)
• M41: 40,108,685 km (0.1 R)
• M42: 44,982,285 km (0.087 R)
• M43: 46,291,565 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.2

Radius: 6.4

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.73 AU - 10.17 AU

Year: 16114 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,409,010 km

• M1: 81,082 km (0.088 R)
• M2: 406,906 km (0.103 R)
• M3: 978,819 km (0.113 R)
• M4: 1,266,346 km (0.066 R)
• M5: 1,917,845 km (0.118 R)
• M6: 2,736,893 km (0.108 R)
• M7: 3,161,452 km (0.066 R)
• M8: 3,300,428 km (0.096 R)
• M9: 4,690,791 km (0.057 R)
• M10: 4,963,957 km (0.098 R)
• M11: 5,793,178 km (0.085 R)
• M12: 8,172,831 km (0.115 R)
• M13: 10,505,211 km (0.056 R)
• M14: 10,811,139 km (0.094 R)
• M15: 10,965,674 km (0.093 R)
• M16: 12,517,003 km (0.105 R)
• M17: 13,189,296 km (0.115 R)
• M18: 14,054,421 km (0.114 R)
• M19: 19,409,725 km (0.116 R)
• M20: 20,175,068 km (0.088 R)
• M21: 24,457,008 km (0.092 R)
• M22: 26,349,720 km (0.049 R)
• M23: 27,815,779 km (0.119 R)
• M24: 34,720,319 km (0.097 R)
• M25: 35,090,275 km (0.078 R)
• M26: 36,589,994 km (0.042 R)
• M27: 38,996,126 km (0.048 R)
• M28: 42,595,750 km (0.077 R)
• M29: 47,319,302 km (0.095 R)
• M30: 56,920,045 km (0.073 R)
• M31: 58,826,520 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.4

Radius: 6.2

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.55 AU - 11.81 AU

Year: 19757 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,409,010 km

• M1: 207,343 km (0.086 R)
• M2: 2,207,466 km (0.078 R)
• M3: 2,859,563 km (0.098 R)
• M4: 3,659,014 km (0.084 R)
• M5: 4,593,403 km (0.093 R)
• M6: 7,165,888 km (0.097 R)
• M7: 8,000,494 km (0.104 R)
• M8: 8,412,038 km (0.032 R)
• M9: 10,264,508 km (0.053 R)
• M10: 11,153,419 km (0.038 R)
• M11: 11,584,560 km (0.054 R)
• M12: 12,358,878 km (0.08 R)
• M13: 15,205,128 km (0.076 R)
• M14: 16,155,224 km (0.082 R)
• M15: 19,461,037 km (0.113 R)
• M16: 21,340,435 km (0.06 R)
• M17: 22,768,946 km (0.11 R)
• M18: 23,773,046 km (0.1 R)
• M19: 24,086,454 km (0.034 R)
• M20: 26,255,174 km (0.095 R)
• M21: 26,584,439 km (0.099 R)
• M22: 27,332,877 km (0.082 R)
• M23: 27,922,143 km (0.064 R)
• M24: 31,141,789 km (0.025 R)
• M25: 31,770,698 km (0.041 R)
• M26: 35,676,549 km (0.045 R)
• M27: 38,705,008 km (0.108 R)
• M28: 39,104,734 km (0.057 R)
• M29: 43,426,467 km (0.115 R)
• M30: 45,889,446 km (0.106 R)
• M31: 49,316,584 km (0.114 R)
• M32: 52,286,251 km (0.116 R)
• M33: 56,060,605 km (0.077 R)
• M34: 56,662,288 km (0.047 R)
• M35: 58,241,593 km (0.101 R)
• M36: 62,095,383 km (0.046 R)
• M37: 63,492,627 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.6

Radius: 4.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.9 AU - 10.2 AU

Year: 20901 Days

Day: 23.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 138.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,409,010 km

• M1: 724,502 km (0.099 R)
• M2: 1,917,546 km (0.087 R)
• M3: 2,388,031 km (0.087 R)
• M4: 5,502,210 km (0.089 R)
• M5: 7,089,293 km (0.108 R)
• M6: 9,055,758 km (0.032 R)
• M7: 14,046,043 km (0.055 R)
• M8: 14,775,333 km (0.113 R)
• M9: 15,060,766 km (0.091 R)
• M10: 24,166,190 km (0.109 R)
• M11: 30,579,450 km (0.099 R)
• M12: 31,237,531 km (0.067 R)
• M13: 33,595,942 km (0.065 R)
• M14: 42,624,323 km (0.09 R)
• M15: 43,206,109 km (0.046 R)
• M16: 54,899,427 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 4.9

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.28 AU - 11.26 AU

Year: 21591 Days

Day: 17.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,409,010 km

• M1: 231,428 km (0.1 R)
• M2: 1,103,135 km (0.119 R)
• M3: 1,747,453 km (0.102 R)
• M4: 5,831,026 km (0.09 R)
• M5: 10,334,819 km (0.075 R)
• M6: 13,756,272 km (0.115 R)
• M7: 15,948,928 km (0.064 R)
• M8: 16,189,182 km (0.097 R)
• M9: 19,081,807 km (0.096 R)
• M10: 19,875,723 km (0.066 R)
• M11: 21,861,036 km (0.115 R)
• M12: 24,829,806 km (0.11 R)
• M13: 27,044,004 km (0.09 R)
• M14: 30,833,767 km (0.093 R)
• M15: 43,202,369 km (0.112 R)
• M16: 46,722,706 km (0.105 R)
• M17: 47,133,951 km (0.07 R)
• M18: 49,111,335 km (0.077 R)
• M19: 51,129,411 km (0.112 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: 458 - 17,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit