🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.3

Radius: 10.2

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.74 AU - 1.12 AU

Year: 579 Days

Day: 9.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,880,628 km

• M1: 145,260 km (0.11 R)
• M2: 391,049 km (0.107 R)
• M3: 687,701 km (0.098 R)
• M4: 904,020 km (0.057 R)
• M5: 1,105,678 km (0.077 R)
• M6: 1,646,175 km (0.094 R)
• M7: 1,953,150 km (0.083 R)
• M8: 2,803,614 km (0.081 R)
• M9: 3,006,319 km (0.055 R)
• M10: 3,403,651 km (0.105 R)
• M11: 3,731,569 km (0.103 R)
• M12: 4,086,266 km (0.107 R)
• M13: 4,457,568 km (0.1 R)
• M14: 5,014,969 km (0.034 R)
• M15: 5,225,005 km (0.068 R)
• M16: 5,762,660 km (0.08 R)
• M17: 6,001,268 km (0.096 R)
• M18: 6,272,190 km (0.111 R)
• M19: 6,507,358 km (0.045 R)
• M20: 6,976,497 km (0.113 R)
• M21: 7,387,442 km (0.081 R)
• M22: 7,582,368 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 11.2

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.33 AU - 1.63 AU

Year: 1163 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,880,628 km

• M1: 140,173 km (0.042 R)
• M2: 368,759 km (0.073 R)
• M3: 660,175 km (0.068 R)
• M4: 906,563 km (0.116 R)
• M5: 1,140,534 km (0.101 R)
• M6: 1,420,432 km (0.109 R)
• M7: 1,660,985 km (0.063 R)
• M8: 1,975,290 km (0.119 R)
• M9: 2,213,749 km (0.07 R)
• M10: 2,619,309 km (0.063 R)
• M11: 3,551,005 km (0.086 R)
• M12: 3,860,822 km (0.039 R)
• M13: 4,118,280 km (0.066 R)
• M14: 4,548,074 km (0.112 R)
• M15: 4,927,903 km (0.118 R)
• M16: 5,353,360 km (0.093 R)
• M17: 5,565,190 km (0.114 R)
• M18: 5,859,599 km (0.084 R)
• M19: 6,291,189 km (0.087 R)
• M20: 6,873,873 km (0.046 R)
• M21: 7,306,360 km (0.07 R)
• M22: 8,361,474 km (0.075 R)
• M23: 8,819,243 km (0.093 R)
• M24: 9,131,304 km (0.059 R)
• M25: 9,812,723 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 14.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.36 AU - 1.9 AU

Year: 1344 Days

Day: 13.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,880,628 km

• M1: 176,675 km (0.057 R)
• M2: 461,061 km (0.11 R)
• M3: 847,622 km (0.077 R)
• M4: 1,115,551 km (0.112 R)
• M5: 1,858,006 km (0.077 R)
• M6: 2,381,598 km (0.074 R)
• M7: 2,906,537 km (0.112 R)
• M8: 3,214,110 km (0.114 R)
• M9: 3,602,466 km (0.076 R)
• M10: 3,932,629 km (0.082 R)
• M11: 4,668,202 km (0.12 R)
• M12: 5,029,780 km (0.098 R)
• M13: 5,485,305 km (0.114 R)
• M14: 6,164,330 km (0.114 R)
• M15: 6,669,223 km (0.062 R)
• M16: 7,343,161 km (0.039 R)
• M17: 7,759,642 km (0.074 R)
• M18: 8,050,310 km (0.076 R)
• M19: 8,934,583 km (0.038 R)
• M20: 9,288,831 km (0.093 R)
• M21: 10,981,232 km (0.086 R)
• M22: 11,538,185 km (0.094 R)
• M23: 12,133,285 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 8.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.79 AU - 2.15 AU

Year: 1785 Days

Day: 9.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,880,628 km

• M1: 123,717 km (0.115 R)
• M2: 392,096 km (0.095 R)
• M3: 587,022 km (0.112 R)
• M4: 856,747 km (0.112 R)
• M5: 1,469,500 km (0.093 R)
• M6: 1,674,748 km (0.116 R)
• M7: 2,178,145 km (0.075 R)
• M8: 2,455,948 km (0.071 R)
• M9: 2,647,733 km (0.073 R)
• M10: 2,837,423 km (0.04 R)
• M11: 3,155,019 km (0.07 R)
• M12: 3,436,562 km (0.096 R)
• M13: 4,177,072 km (0.114 R)
• M14: 4,367,809 km (0.092 R)
• M15: 4,550,468 km (0.104 R)
• M16: 4,711,884 km (0.095 R)
• M17: 5,630,714 km (0.073 R)
• M18: 5,880,543 km (0.119 R)
• M19: 6,207,713 km (0.094 R)
• M20: 6,783,067 km (0.114 R)
• M21: 7,290,054 km (0.113 R)
• M22: 7,558,582 km (0.098 R)
• M23: 8,259,448 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 10.1

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.54 AU - 2.72 AU

Year: 2754 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,880,628 km

• M1: 160,369 km (0.055 R)
• M2: 759,957 km (0.099 R)
• M3: 1,037,312 km (0.1 R)
• M4: 1,253,331 km (0.12 R)
• M5: 1,492,388 km (0.115 R)
• M6: 2,143,737 km (0.114 R)
• M7: 2,488,112 km (0.11 R)
• M8: 2,844,155 km (0.076 R)
• M9: 3,176,412 km (0.033 R)
• M10: 3,442,247 km (0.077 R)
• M11: 4,174,229 km (0.108 R)
• M12: 4,999,710 km (0.106 R)
• M13: 5,313,118 km (0.093 R)
• M14: 5,658,091 km (0.1 R)
• M15: 5,879,496 km (0.113 R)
• M16: 6,498,532 km (0.1 R)
• M17: 6,759,879 km (0.095 R)
• M18: 8,277,549 km (0.045 R)
• M19: 8,627,010 km (0.085 R)
• M20: 8,900,774 km (0.09 R)
• M21: 9,207,001 km (0.061 R)
• M22: 9,719,224 km (0.085 R)
• M23: 10,216,039 km (0.102 R)
• M24: 13,222,956 km (0.065 R)
• M25: 15,070,639 km (0.063 R)
• M26: 16,058,883 km (0.061 R)
• M27: 17,697,877 km (0.083 R)
• M28: 17,932,895 km (0.03 R)
• M29: 18,169,559 km (0.116 R)
• M30: 19,253,695 km (0.088 R)
• M31: 19,787,011 km (0.085 R)
• M32: 21,045,728 km (0.12 R)
• M33: 21,259,353 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 13.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.58 AU - 4 AU

Year: 4764 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,880,628 km

• M1: 202,556 km (0.083 R)
• M2: 461,210 km (0.078 R)
• M3: 911,350 km (0.102 R)
• M4: 1,266,047 km (0.088 R)
• M5: 1,604,437 km (0.049 R)
• M6: 2,681,691 km (0.116 R)
• M7: 3,270,359 km (0.04 R)
• M8: 3,882,214 km (0.119 R)
• M9: 4,591,458 km (0.07 R)
• M10: 4,870,607 km (0.072 R)
• M11: 5,203,463 km (0.119 R)
• M12: 6,985,323 km (0.112 R)
• M13: 7,740,493 km (0.088 R)
• M14: 8,681,164 km (0.111 R)
• M15: 13,285,039 km (0.106 R)
• M16: 14,438,588 km (0.088 R)
• M17: 14,859,556 km (0.093 R)
• M18: 18,793,681 km (0.048 R)
• M19: 20,615,933 km (0.094 R)
• M20: 22,003,154 km (0.067 R)
• M21: 23,630,480 km (0.106 R)
• M22: 24,416,467 km (0.047 R)
• M23: 25,467,691 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444

Radius: 12.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.75 AU - 6.05 AU

Year: 8102 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,880,628 km

• M1: 230,979 km (0.107 R)
• M2: 618,288 km (0.085 R)
• M3: 917,035 km (0.095 R)
• M4: 1,177,036 km (0.087 R)
• M5: 1,631,215 km (0.12 R)
• M6: 3,361,315 km (0.069 R)
• M7: 4,014,010 km (0.033 R)
• M8: 4,350,755 km (0.081 R)
• M9: 4,625,267 km (0.107 R)
• M10: 5,696,537 km (0.062 R)
• M11: 5,953,397 km (0.112 R)
• M12: 6,545,056 km (0.113 R)
• M13: 8,320,185 km (0.084 R)
• M14: 8,771,522 km (0.11 R)
• M15: 9,055,309 km (0.104 R)
• M16: 10,046,843 km (0.11 R)
• M17: 10,815,178 km (0.086 R)
• M18: 13,119,135 km (0.109 R)
• M19: 17,743,055 km (0.118 R)
• M20: 18,556,419 km (0.077 R)
• M21: 19,546,159 km (0.093 R)
• M22: 21,658,929 km (0.105 R)
• M23: 22,049,829 km (0.115 R)
• M24: 25,422,961 km (0.054 R)
• M25: 26,518,915 km (0.102 R)
• M26: 28,652,630 km (0.092 R)
• M27: 29,360,676 km (0.076 R)
• M28: 29,685,453 km (0.071 R)
• M29: 30,274,420 km (0.119 R)
• M30: 30,736,528 km (0.114 R)
• M31: 33,375,883 km (0.089 R)
• M32: 36,052,488 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.6

Radius: 7.8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.6 AU - 6.7 AU

Year: 9848 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 111.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,880,628 km

• M1: 127,757 km (0.105 R)
• M2: 298,298 km (0.107 R)
• M3: 618,288 km (0.061 R)
• M4: 1,116,000 km (0.097 R)
• M5: 1,742,666 km (0.04 R)
• M6: 2,764,718 km (0.028 R)
• M7: 3,046,561 km (0.08 R)
• M8: 3,217,551 km (0.086 R)
• M9: 4,229,581 km (0.102 R)
• M10: 5,287,387 km (0.045 R)
• M11: 5,578,804 km (0.091 R)
• M12: 5,810,980 km (0.101 R)
• M13: 13,952,545 km (0.119 R)
• M14: 17,029,025 km (0.09 R)
• M15: 17,610,811 km (0.057 R)
• M16: 22,024,397 km (0.07 R)
• M17: 22,287,689 km (0.117 R)
• M18: 23,154,609 km (0.079 R)
• M19: 25,288,772 km (0.078 R)
• M20: 29,993,625 km (0.091 R)
• M21: 36,779,684 km (0.047 R)
• M22: 42,780,952 km (0.032 R)
• M23: 46,427,998 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.4

Radius: 5.4

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.55 AU - 10.15 AU

Year: 19960 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 65,880,628 km

• M1: 78,240 km (0.093 R)
• M2: 218,862 km (0.079 R)
• M3: 834,756 km (0.117 R)
• M4: 1,062,893 km (0.12 R)
• M5: 2,468,066 km (0.101 R)
• M6: 2,647,284 km (0.067 R)
• M7: 2,806,007 km (0.075 R)
• M8: 4,619,433 km (0.084 R)
• M9: 5,153,497 km (0.082 R)
• M10: 5,263,900 km (0.066 R)
• M11: 8,502,096 km (0.059 R)
• M12: 9,371,559 km (0.114 R)
• M13: 9,975,036 km (0.084 R)
• M14: 10,439,987 km (0.077 R)
• M15: 11,130,381 km (0.099 R)
• M16: 12,520,743 km (0.051 R)
• M17: 13,632,405 km (0.077 R)
• M18: 13,993,235 km (0.114 R)
• M19: 14,114,709 km (0.093 R)
• M20: 14,236,481 km (0.111 R)
• M21: 14,359,002 km (0.111 R)
• M22: 15,041,617 km (0.064 R)
• M23: 17,454,780 km (0.085 R)
• M24: 18,764,061 km (0.077 R)
• M25: 19,903,398 km (0.096 R)
• M26: 20,780,042 km (0.074 R)
• M27: 22,054,316 km (0.115 R)
• M28: 24,556,341 km (0.11 R)
• M29: 25,775,564 km (0.113 R)
• M30: 27,024,407 km (0.066 R)
• M31: 27,532,142 km (0.102 R)
• M32: 31,219,580 km (0.052 R)
• M33: 31,400,892 km (0.105 R)
• M34: 31,765,313 km (0.051 R)
• M35: 34,469,743 km (0.109 R)
• M36: 36,399,406 km (0.067 R)
• M37: 39,902,988 km (0.094 R)
• M38: 53,376,071 km (0.118 R)
• M39: 58,343,768 km (0.082 R)
• M40: 59,588,871 km (0.025 R)
• M41: 61,735,900 km (0.092 R)
• M42: 62,502,888 km (0.083 R)
• M43: 65,355,121 km (0.08 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 15,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit