🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 9.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.51 AU - 0.67 AU

Year: 307 Days

Day: 6.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,828,371 km

• M1: 118,631 km (0.103 R)
• M2: 440,117 km (0.037 R)
• M3: 855,401 km (0.084 R)
• M4: 2,093,173 km (0.035 R)
• M5: 2,462,231 km (0.114 R)
• M6: 3,112,234 km (0.049 R)
• M7: 3,849,752 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 14.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.78 AU - 0.84 AU

Year: 494 Days

Day: 13.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,828,371 km

• M1: 184,604 km (0.095 R)
• M2: 711,338 km (0.105 R)
• M3: 1,791,435 km (0.089 R)
• M4: 2,314,877 km (0.079 R)
• M5: 2,884,845 km (0.068 R)
• M6: 3,522,431 km (0.114 R)
• M7: 4,036,599 km (0.112 R)
• M8: 4,710,538 km (0.077 R)
• M9: 6,001,119 km (0.067 R)
• M10: 6,759,879 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466

Radius: 9.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.01 AU - 2.81 AU

Year: 2538 Days

Day: 14.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,828,371 km

• M1: 115,938 km (0.116 R)
• M2: 424,409 km (0.115 R)
• M3: 729,738 km (0.11 R)
• M4: 1,022,053 km (0.077 R)
• M5: 1,350,121 km (0.102 R)
• M6: 1,655,001 km (0.092 R)
• M7: 2,225,867 km (0.064 R)
• M8: 3,174,616 km (0.119 R)
• M9: 3,527,219 km (0.09 R)
• M10: 4,940,170 km (0.089 R)
• M11: 5,556,813 km (0.081 R)
• M12: 6,778,878 km (0.081 R)
• M13: 8,547,574 km (0.117 R)
• M14: 9,267,139 km (0.055 R)
• M15: 9,920,583 km (0.051 R)
• M16: 11,473,857 km (0.087 R)
• M17: 13,225,798 km (0.109 R)
• M18: 13,876,848 km (0.099 R)
• M19: 14,367,679 km (0.087 R)
• M20: 15,195,853 km (0.094 R)
• M21: 15,910,182 km (0.069 R)
• M22: 16,897,079 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 11.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.38 AU - 2.74 AU

Year: 2778 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,828,371 km

• M1: 143,764 km (0.102 R)
• M2: 499,358 km (0.109 R)
• M3: 1,091,167 km (0.114 R)
• M4: 1,941,332 km (0.114 R)
• M5: 2,559,919 km (0.099 R)
• M6: 3,238,943 km (0.054 R)
• M7: 3,603,364 km (0.067 R)
• M8: 3,995,460 km (0.057 R)
• M9: 5,000,159 km (0.081 R)
• M10: 5,370,264 km (0.076 R)
• M11: 5,808,586 km (0.108 R)
• M12: 10,007,050 km (0.068 R)
• M13: 10,824,752 km (0.09 R)
• M14: 11,447,079 km (0.114 R)
• M15: 14,733,894 km (0.095 R)
• M16: 16,339,528 km (0.07 R)
• M17: 17,684,563 km (0.094 R)
• M18: 18,112,861 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 10.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.14 AU - 3.84 AU

Year: 4422 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,828,371 km

• M1: 135,536 km (0.038 R)
• M2: 490,831 km (0.083 R)
• M3: 842,834 km (0.096 R)
• M4: 2,131,470 km (0.109 R)
• M5: 2,725,524 km (0.086 R)
• M6: 4,206,243 km (0.099 R)
• M7: 4,586,372 km (0.065 R)
• M8: 5,099,492 km (0.094 R)
• M9: 5,674,247 km (0.107 R)
• M10: 6,014,882 km (0.12 R)
• M11: 6,368,980 km (0.088 R)
• M12: 7,720,148 km (0.097 R)
• M13: 9,658,487 km (0.115 R)
• M14: 10,004,806 km (0.066 R)
• M15: 10,395,257 km (0.059 R)
• M16: 12,139,718 km (0.034 R)
• M17: 13,123,623 km (0.103 R)
• M18: 14,926,427 km (0.088 R)
• M19: 15,815,487 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 10.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.25 AU - 4.75 AU

Year: 6475 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,828,371 km

• M1: 134,339 km (0.11 R)
• M2: 522,845 km (0.096 R)
• M3: 903,422 km (0.052 R)
• M4: 1,250,489 km (0.053 R)
• M5: 1,909,018 km (0.091 R)
• M6: 3,818,635 km (0.104 R)
• M7: 4,409,696 km (0.082 R)
• M8: 5,089,320 km (0.069 R)
• M9: 5,900,290 km (0.09 R)
• M10: 6,970,662 km (0.085 R)
• M11: 7,970,425 km (0.107 R)
• M12: 8,565,824 km (0.052 R)
• M13: 10,116,257 km (0.089 R)
• M14: 12,152,284 km (0.104 R)
• M15: 13,266,638 km (0.026 R)
• M16: 15,034,436 km (0.105 R)
• M17: 15,943,991 km (0.093 R)
• M18: 19,241,727 km (0.091 R)
• M19: 24,174,717 km (0.05 R)
• M20: 25,591,708 km (0.066 R)
• M21: 26,277,464 km (0.091 R)
• M22: 26,624,831 km (0.08 R)
• M23: 30,460,221 km (0.08 R)
• M24: 33,313,800 km (0.085 R)
• M25: 34,857,650 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.2

Radius: 11.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.58 AU - 4.7 AU

Year: 6779 Days

Day: 8.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,828,371 km

• M1: 143,016 km (0.086 R)
• M2: 550,221 km (0.094 R)
• M3: 931,845 km (0.099 R)
• M4: 1,642,585 km (0.072 R)
• M5: 2,039,019 km (0.088 R)
• M6: 3,029,806 km (0.12 R)
• M7: 3,401,108 km (0.096 R)
• M8: 3,803,077 km (0.119 R)
• M9: 4,289,869 km (0.076 R)
• M10: 5,547,089 km (0.065 R)
• M11: 6,849,937 km (0.055 R)
• M12: 8,138,573 km (0.118 R)
• M13: 9,172,743 km (0.107 R)
• M14: 11,037,181 km (0.107 R)
• M15: 11,448,875 km (0.109 R)
• M16: 13,488,342 km (0.055 R)
• M17: 14,624,837 km (0.104 R)
• M18: 15,121,951 km (0.039 R)
• M19: 18,633,462 km (0.094 R)
• M20: 23,321,261 km (0.034 R)
• M21: 25,309,267 km (0.07 R)
• M22: 26,026,589 km (0.097 R)
• M23: 26,665,372 km (0.119 R)
• M24: 29,521,644 km (0.118 R)
• M25: 30,618,346 km (0.048 R)
• M26: 32,052,989 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.9

Radius: 7.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.42 AU - 6.86 AU

Year: 10319 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,828,371 km

• M1: 90,956 km (0.117 R)
• M2: 453,880 km (0.069 R)
• M3: 707,897 km (0.112 R)
• M4: 1,380,938 km (0.102 R)
• M5: 1,935,497 km (0.113 R)
• M6: 2,208,214 km (0.074 R)
• M7: 6,174,503 km (0.1 R)
• M8: 8,423,258 km (0.092 R)
• M9: 8,743,248 km (0.096 R)
• M10: 10,016,026 km (0.087 R)
• M11: 11,167,481 km (0.071 R)
• M12: 14,230,198 km (0.116 R)
• M13: 18,007,844 km (0.049 R)
• M14: 18,338,754 km (0.116 R)
• M15: 21,950,645 km (0.075 R)
• M16: 23,330,985 km (0.089 R)
• M17: 25,013,362 km (0.098 R)
• M18: 25,260,199 km (0.033 R)
• M19: 26,775,027 km (0.037 R)
• M20: 30,449,899 km (0.057 R)
• M21: 32,946,687 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.6

Radius: 3.4

Gravity: 30.42 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.95 AU - 7.71 AU

Year: 12107 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,828,371 km

• M1: 73,004 km (0.093 R)
• M2: 180,565 km (0.077 R)
• M3: 423,063 km (0.038 R)
• M4: 593,156 km (0.084 R)
• M5: 714,629 km (0.094 R)
• M6: 1,115,551 km (0.106 R)
• M7: 1,482,814 km (0.109 R)
• M8: 2,605,995 km (0.054 R)
• M9: 2,767,411 km (0.065 R)
• M10: 3,676,816 km (0.117 R)
• M11: 4,011,018 km (0.115 R)
• M12: 5,356,801 km (0.043 R)
• M13: 19,848,047 km (0.059 R)
• M14: 28,132,478 km (0.054 R)
• M15: 28,328,002 km (0.093 R)
• M16: 32,217,248 km (0.082 R)
• M17: 36,216,298 km (0.108 R)
• M18: 36,331,788 km (0.117 R)
• M19: 42,429,397 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.5

Radius: 5.6

Gravity: 31.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.72 AU - 10.66 AU

Year: 22062 Days

Day: 18.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,828,371 km

• M1: 69,713 km (0.1 R)
• M2: 528,529 km (0.04 R)
• M3: 1,291,179 km (0.076 R)
• M4: 2,307,547 km (0.102 R)
• M5: 2,724,626 km (0.112 R)
• M6: 3,367,149 km (0.119 R)
• M7: 4,105,863 km (0.025 R)
• M8: 4,386,509 km (0.062 R)
• M9: 5,064,935 km (0.099 R)
• M10: 7,622,610 km (0.036 R)
• M11: 9,415,092 km (0.07 R)
• M12: 14,278,818 km (0.085 R)
• M13: 15,087,544 km (0.032 R)
• M14: 21,938,378 km (0.088 R)
• M15: 22,150,658 km (0.096 R)
• M16: 29,049,064 km (0.054 R)
• M17: 30,608,173 km (0.062 R)
• M18: 34,033,815 km (0.095 R)
• M19: 35,912,315 km (0.066 R)
• M20: 40,190,665 km (0.088 R)
• M21: 40,668,331 km (0.114 R)
• M22: 57,421,198 km (0.11 R)
• M23: 58,841,480 km (0.116 R)
• M24: 60,701,580 km (0.089 R)
• M25: 90,458,840 km (0.082 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: 158 - 11,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit