🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.1

Radius: 12.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 14.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,132,669 km

• M1: 160,519 km (0.03 R)
• M2: 661,971 km (0.098 R)
• M3: 1,236,875 km (0.098 R)
• M4: 3,225,779 km (0.084 R)
• M5: 3,726,932 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.4

Radius: 11.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.73 AU - 0.73 AU

Year: 416 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,132,669 km

• M1: 144,362 km (0.096 R)
• M2: 603,927 km (0.103 R)
• M3: 983,307 km (0.077 R)
• M4: 1,446,163 km (0.108 R)
• M5: 2,029,744 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.3

Radius: 8.8

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.66 AU - 1.72 AU

Year: 1465 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,132,669 km

• M1: 109,506 km (0.09 R)
• M2: 412,591 km (0.036 R)
• M3: 855,550 km (0.108 R)
• M4: 1,136,196 km (0.085 R)
• M5: 1,515,875 km (0.109 R)
• M6: 1,808,040 km (0.095 R)
• M7: 2,330,436 km (0.074 R)
• M8: 3,221,141 km (0.072 R)
• M9: 3,727,081 km (0.112 R)
• M10: 4,322,780 km (0.117 R)
• M11: 5,149,907 km (0.04 R)
• M12: 5,889,070 km (0.05 R)
• M13: 6,826,001 km (0.039 R)
• M14: 7,887,548 km (0.105 R)
• M15: 8,264,834 km (0.082 R)
• M16: 8,563,132 km (0.091 R)
• M17: 8,868,611 km (0.094 R)
• M18: 10,029,340 km (0.085 R)
• M19: 10,437,892 km (0.066 R)
• M20: 10,892,969 km (0.101 R)
• M21: 11,252,004 km (0.071 R)
• M22: 12,069,706 km (0.086 R)
• M23: 13,167,006 km (0.069 R)
• M24: 13,990,692 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174

Radius: 12.4

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.54 AU - 1.96 AU

Year: 1544 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,132,669 km

• M1: 157,527 km (0.119 R)
• M2: 544,686 km (0.108 R)
• M3: 1,220,569 km (0.058 R)
• M4: 1,661,284 km (0.099 R)
• M5: 4,903,220 km (0.091 R)
• M6: 5,923,028 km (0.077 R)
• M7: 8,633,443 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.3

Radius: 9.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.46 AU - 2.3 AU

Year: 1719 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,132,669 km

• M1: 120,576 km (0.088 R)
• M2: 772,374 km (0.087 R)
• M3: 1,108,969 km (0.094 R)
• M4: 1,434,793 km (0.101 R)
• M5: 3,089,794 km (0.105 R)
• M6: 3,889,245 km (0.109 R)
• M7: 4,184,402 km (0.096 R)
• M8: 5,031,874 km (0.081 R)
• M9: 5,451,047 km (0.101 R)
• M10: 10,064,496 km (0.102 R)
• M11: 10,376,707 km (0.102 R)
• M12: 11,997,749 km (0.114 R)
• M13: 12,467,786 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.6

Radius: 3.8

Gravity: 44.22 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.36 AU - 7.78 AU

Year: 12536 Days

Day: 17.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,132,669 km

• M1: 47,273 km (0.119 R)
• M2: 282,890 km (0.038 R)
• M3: 403,017 km (0.046 R)
• M4: 603,029 km (0.077 R)
• M5: 847,173 km (0.061 R)
• M6: 1,048,083 km (0.085 R)
• M7: 2,563,958 km (0.1 R)
• M8: 3,103,109 km (0.082 R)
• M9: 3,374,030 km (0.066 R)
• M10: 3,528,415 km (0.108 R)
• M11: 4,649,203 km (0.113 R)
• M12: 7,695,314 km (0.119 R)
• M13: 8,008,423 km (0.052 R)
• M14: 8,376,434 km (0.109 R)
• M15: 8,755,664 km (0.038 R)
• M16: 10,550,539 km (0.1 R)
• M17: 10,770,149 km (0.07 R)
• M18: 11,218,344 km (0.082 R)
• M19: 12,032,606 km (0.116 R)
• M20: 12,454,172 km (0.09 R)
• M21: 13,136,488 km (0.075 R)
• M22: 14,847,439 km (0.057 R)
• M23: 15,402,447 km (0.067 R)
• M24: 16,627,355 km (0.109 R)
• M25: 17,301,443 km (0.091 R)
• M26: 19,350,933 km (0.116 R)
• M27: 21,821,542 km (0.107 R)
• M28: 24,494,407 km (0.032 R)
• M29: 26,459,675 km (0.069 R)
• M30: 34,644,174 km (0.05 R)
• M31: 35,741,774 km (0.071 R)
• M32: 35,865,042 km (0.077 R)
• M33: 36,988,223 km (0.078 R)
• M34: 37,494,762 km (0.091 R)
• M35: 40,230,607 km (0.116 R)
• M36: 42,957,178 km (0.077 R)
• M37: 43,516,824 km (0.112 R)
• M38: 45,659,065 km (0.103 R)
• M39: 49,078,573 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.9

Radius: 7.6

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.71 AU - 8.71 AU

Year: 14276 Days

Day: 19.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,132,669 km

• M1: 94,546 km (0.058 R)
• M2: 363,672 km (0.108 R)
• M3: 831,166 km (0.062 R)
• M4: 1,085,781 km (0.092 R)
• M5: 1,513,781 km (0.109 R)
• M6: 3,225,629 km (0.114 R)
• M7: 3,928,440 km (0.118 R)
• M8: 4,832,310 km (0.096 R)
• M9: 5,222,910 km (0.047 R)
• M10: 5,634,604 km (0.091 R)
• M11: 8,522,740 km (0.068 R)
• M12: 9,469,994 km (0.101 R)
• M13: 9,969,202 km (0.044 R)
• M14: 11,823,767 km (0.098 R)
• M15: 12,207,635 km (0.077 R)
• M16: 14,541,811 km (0.118 R)
• M17: 15,056,876 km (0.101 R)
• M18: 15,968,077 km (0.044 R)
• M19: 22,806,046 km (0.112 R)
• M20: 23,102,399 km (0.087 R)
• M21: 23,904,842 km (0.039 R)
• M22: 28,768,867 km (0.063 R)
• M23: 30,050,771 km (0.078 R)
• M24: 33,612,547 km (0.084 R)
• M25: 40,541,472 km (0.091 R)
• M26: 40,976,353 km (0.098 R)
• M27: 42,747,143 km (0.099 R)
• M28: 43,803,453 km (0.081 R)
• M29: 44,414,710 km (0.111 R)
• M30: 45,031,652 km (0.088 R)
• M31: 49,511,510 km (0.097 R)
• M32: 50,174,827 km (0.069 R)
• M33: 54,455,420 km (0.095 R)
• M34: 55,517,864 km (0.103 R)
• M35: 56,054,173 km (0.028 R)
• M36: 59,531,725 km (0.034 R)
• M37: 62,376,627 km (0.111 R)
• M38: 64,716,787 km (0.119 R)
• M39: 65,310,840 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.5

Radius: 6.6

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.09 AU - 9.81 AU

Year: 14948 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,132,669 km

• M1: 82,129 km (0.082 R)
• M2: 510,278 km (0.066 R)
• M3: 841,189 km (0.074 R)
• M4: 1,391,111 km (0.039 R)
• M5: 2,665,834 km (0.105 R)
• M6: 3,429,382 km (0.11 R)
• M7: 5,486,352 km (0.089 R)
• M8: 6,918,303 km (0.033 R)
• M9: 7,171,872 km (0.045 R)
• M10: 7,698,007 km (0.066 R)
• M11: 9,025,240 km (0.059 R)
• M12: 10,278,720 km (0.085 R)
• M13: 10,609,331 km (0.102 R)
• M14: 11,176,307 km (0.065 R)
• M15: 12,681,711 km (0.112 R)
• M16: 13,581,392 km (0.062 R)
• M17: 15,507,166 km (0.078 R)
• M18: 16,685,548 km (0.117 R)
• M19: 17,451,788 km (0.089 R)
• M20: 24,641,761 km (0.088 R)
• M21: 25,937,578 km (0.105 R)
• M22: 26,757,225 km (0.059 R)
• M23: 27,278,274 km (0.085 R)
• M24: 33,463,398 km (0.1 R)
• M25: 33,946,599 km (0.107 R)
• M26: 36,687,681 km (0.106 R)
• M27: 38,243,349 km (0.089 R)
• M28: 40,932,969 km (0.115 R)
• M29: 43,459,079 km (0.086 R)
• M30: 43,746,157 km (0.119 R)
• M31: 45,938,664 km (0.116 R)
• M32: 52,790,994 km (0.062 R)
• M33: 55,442,467 km (0.059 R)

Asteroid Belt

Center: 8.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811

Radius: 5.6

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.69 AU - 10.81 AU

Year: 18760 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,132,669 km

• M1: 69,713 km (0.081 R)
• M2: 246,836 km (0.088 R)
• M3: 549,772 km (0.109 R)
• M4: 1,108,520 km (0.11 R)
• M5: 1,743,264 km (0.073 R)
• M6: 1,988,305 km (0.07 R)
• M7: 2,256,085 km (0.096 R)
• M8: 3,098,471 km (0.107 R)
• M9: 4,166,151 km (0.116 R)
• M10: 4,467,441 km (0.061 R)
• M11: 6,282,512 km (0.046 R)
• M12: 7,186,083 km (0.085 R)
• M13: 7,718,353 km (0.045 R)
• M14: 8,752,971 km (0.074 R)
• M15: 9,191,592 km (0.066 R)
• M16: 9,760,363 km (0.097 R)
• M17: 11,157,308 km (0.052 R)
• M18: 13,101,931 km (0.062 R)
• M19: 14,341,200 km (0.069 R)
• M20: 15,340,065 km (0.08 R)
• M21: 16,632,142 km (0.06 R)
• M22: 17,304,734 km (0.025 R)
• M23: 19,523,121 km (0.092 R)
• M24: 20,556,692 km (0.028 R)
• M25: 21,725,201 km (0.118 R)
• M26: 24,087,501 km (0.113 R)
• M27: 24,300,678 km (0.1 R)
• M28: 25,166,102 km (0.064 R)
• M29: 25,606,368 km (0.114 R)
• M30: 26,051,721 km (0.069 R)
• M31: 26,957,985 km (0.092 R)
• M32: 40,270,400 km (0.055 R)
• M33: 50,292,710 km (0.082 R)
• M34: 52,228,656 km (0.099 R)
• M35: 59,492,530 km (0.057 R)
• M36: 64,691,804 km (0.095 R)
• M37: 69,105,839 km (0.094 R)
• M38: 69,320,961 km (0.118 R)
• M39: 77,132,662 km (0.08 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: 331 - 11,695 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit