🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 10.3

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.25 AU - 1.31 AU

Year: 966 Days

Day: 14 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,652,853 km

• M1: 128,205 km (0.041 R)
• M2: 449,691 km (0.106 R)
• M3: 1,035,516 km (0.084 R)
• M4: 1,578,557 km (0.098 R)
• M5: 2,137,006 km (0.078 R)
• M6: 2,583,106 km (0.084 R)
• M7: 3,251,659 km (0.064 R)
• M8: 3,664,250 km (0.119 R)
• M9: 4,968,594 km (0.06 R)
• M10: 5,304,890 km (0.09 R)
• M11: 6,406,379 km (0.119 R)
• M12: 7,363,806 km (0.115 R)
• M13: 8,838,990 km (0.088 R)
• M14: 9,532,227 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 12.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.23 AU - 1.41 AU

Year: 1011 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,652,853 km

• M1: 157,078 km (0.072 R)
• M2: 556,953 km (0.094 R)
• M3: 1,038,359 km (0.034 R)
• M4: 1,926,821 km (0.045 R)
• M5: 2,335,971 km (0.096 R)
• M6: 3,259,588 km (0.091 R)
• M7: 3,710,925 km (0.112 R)
• M8: 4,756,464 km (0.068 R)
• M9: 5,444,465 km (0.048 R)
• M10: 6,275,032 km (0.07 R)
• M11: 7,316,533 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.4

Radius: 8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.28 AU - 1.38 AU

Year: 1023 Days

Day: 7.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,652,853 km

• M1: 99,483 km (0.094 R)
• M2: 351,705 km (0.054 R)
• M3: 639,232 km (0.08 R)
• M4: 945,309 km (0.103 R)
• M5: 1,214,136 km (0.095 R)
• M6: 1,534,874 km (0.086 R)
• M7: 2,138,202 km (0.096 R)
• M8: 2,540,471 km (0.102 R)
• M9: 2,827,849 km (0.109 R)
• M10: 3,526,022 km (0.105 R)
• M11: 3,792,904 km (0.085 R)
• M12: 4,153,585 km (0.062 R)
• M13: 4,588,765 km (0.093 R)
• M14: 5,109,814 km (0.11 R)
• M15: 6,529,947 km (0.099 R)
• M16: 6,820,167 km (0.097 R)
• M17: 7,072,389 km (0.094 R)
• M18: 7,767,570 km (0.035 R)
• M19: 8,376,733 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 11

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.51 AU - 2.23 AU

Year: 1705 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,652,853 km

• M1: 138,079 km (0.049 R)
• M2: 753,225 km (0.107 R)
• M3: 1,617,452 km (0.052 R)
• M4: 2,305,004 km (0.11 R)
• M5: 3,193,765 km (0.087 R)
• M6: 4,238,706 km (0.092 R)
• M7: 5,268,687 km (0.072 R)
• M8: 6,458,140 km (0.068 R)
• M9: 7,411,527 km (0.076 R)
• M10: 11,210,266 km (0.119 R)
• M11: 15,571,493 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 9

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.75 AU - 1.99 AU

Year: 1705 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,652,853 km

• M1: 112,049 km (0.104 R)
• M2: 524,789 km (0.069 R)
• M3: 965,505 km (0.096 R)
• M4: 1,316,910 km (0.094 R)
• M5: 1,604,288 km (0.112 R)
• M6: 1,934,151 km (0.117 R)
• M7: 2,235,291 km (0.119 R)
• M8: 3,098,770 km (0.086 R)
• M9: 3,497,598 km (0.091 R)
• M10: 4,039,442 km (0.089 R)
• M11: 4,496,613 km (0.086 R)
• M12: 4,966,799 km (0.097 R)
• M13: 6,373,767 km (0.04 R)
• M14: 6,809,246 km (0.096 R)
• M15: 10,021,412 km (0.12 R)
• M16: 11,408,034 km (0.113 R)
• M17: 11,821,373 km (0.08 R)
• M18: 12,128,049 km (0.089 R)
• M19: 13,616,847 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 13.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.06 AU - 2.08 AU

Year: 1986 Days

Day: 9.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,652,853 km

• M1: 166,652 km (0.102 R)
• M2: 674,088 km (0.104 R)
• M3: 1,812,677 km (0.072 R)
• M4: 2,990,461 km (0.088 R)
• M5: 3,530,211 km (0.066 R)
• M6: 4,062,330 km (0.115 R)
• M7: 4,510,675 km (0.117 R)
• M8: 5,802,153 km (0.087 R)
• M9: 6,774,540 km (0.095 R)
• M10: 7,545,567 km (0.095 R)
• M11: 8,168,792 km (0.097 R)
• M12: 9,615,702 km (0.071 R)
• M13: 10,659,746 km (0.116 R)
• M14: 11,299,875 km (0.083 R)
• M15: 13,497,468 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 10.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.53 AU - 4.19 AU

Year: 4107 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 83.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,652,853 km

• M1: 130,749 km (0.102 R)
• M2: 472,580 km (0.117 R)
• M3: 975,079 km (0.053 R)
• M4: 1,542,952 km (0.055 R)
• M5: 2,048,144 km (0.092 R)
• M6: 2,548,849 km (0.098 R)
• M7: 2,911,773 km (0.109 R)
• M8: 3,309,254 km (0.059 R)
• M9: 5,051,172 km (0.092 R)
• M10: 5,415,593 km (0.107 R)
• M11: 5,846,434 km (0.099 R)
• M12: 6,456,495 km (0.032 R)
• M13: 6,913,965 km (0.066 R)
• M14: 7,421,850 km (0.105 R)
• M15: 8,015,155 km (0.109 R)
• M16: 10,379,998 km (0.055 R)
• M17: 14,180,233 km (0.052 R)
• M18: 14,769,947 km (0.076 R)
• M19: 16,837,839 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.2

Radius: 14.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.34 AU - 5.32 AU

Year: 7079 Days

Day: 12.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,652,853 km

• M1: 188,493 km (0.111 R)
• M2: 679,623 km (0.081 R)
• M3: 1,249,890 km (0.104 R)
• M4: 1,789,041 km (0.114 R)
• M5: 2,567,249 km (0.079 R)
• M6: 3,218,748 km (0.036 R)
• M7: 4,330,260 km (0.057 R)
• M8: 4,988,939 km (0.089 R)
• M9: 7,033,194 km (0.075 R)
• M10: 9,381,731 km (0.109 R)
• M11: 10,489,204 km (0.092 R)
• M12: 12,164,700 km (0.056 R)
• M13: 13,958,828 km (0.045 R)
• M14: 16,941,959 km (0.107 R)
• M15: 18,066,935 km (0.055 R)
• M16: 20,327,359 km (0.109 R)
• M17: 20,815,197 km (0.087 R)
• M18: 23,449,017 km (0.11 R)
• M19: 25,084,122 km (0.071 R)
• M20: 26,462,667 km (0.087 R)
• M21: 27,805,607 km (0.1 R)
• M22: 28,493,906 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.4

Radius: 5.9

Gravity: 11.42 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.16 AU - 6.38 AU

Year: 9243 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,652,853 km

• M1: 74,051 km (0.038 R)
• M2: 262,694 km (0.087 R)
• M3: 754,272 km (0.05 R)
• M4: 1,168,808 km (0.113 R)
• M5: 1,522,308 km (0.081 R)
• M6: 2,938,850 km (0.113 R)
• M7: 3,979,004 km (0.1 R)
• M8: 4,312,757 km (0.045 R)
• M9: 4,805,682 km (0.051 R)
• M10: 6,580,511 km (0.104 R)
• M11: 8,332,901 km (0.043 R)
• M12: 9,183,813 km (0.034 R)
• M13: 10,422,484 km (0.112 R)
• M14: 15,290,698 km (0.048 R)
• M15: 15,854,233 km (0.034 R)
• M16: 18,039,409 km (0.104 R)
• M17: 18,387,074 km (0.1 R)
• M18: 20,342,468 km (0.064 R)
• M19: 23,902,598 km (0.111 R)
• M20: 27,214,994 km (0.069 R)
• M21: 27,488,908 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.2

Radius: 4.5

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.15 AU - 11.31 AU

Year: 23438 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,652,853 km

• M1: 65,524 km (0.07 R)
• M2: 259,403 km (0.031 R)
• M3: 425,307 km (0.071 R)
• M4: 610,958 km (0.108 R)
• M5: 757,564 km (0.118 R)
• M6: 1,097,600 km (0.11 R)
• M7: 1,376,600 km (0.092 R)
• M8: 5,059,400 km (0.12 R)
• M9: 5,357,997 km (0.115 R)
• M10: 5,868,276 km (0.099 R)
• M11: 6,240,026 km (0.05 R)
• M12: 8,134,833 km (0.078 R)
• M13: 8,492,821 km (0.055 R)
• M14: 8,649,300 km (0.094 R)
• M15: 9,405,517 km (0.115 R)
• M16: 9,573,217 km (0.113 R)
• M17: 11,551,050 km (0.08 R)
• M18: 11,872,685 km (0.095 R)
• M19: 12,668,995 km (0.1 R)
• M20: 13,571,220 km (0.051 R)
• M21: 14,589,981 km (0.113 R)
• M22: 15,041,767 km (0.12 R)
• M23: 17,525,839 km (0.082 R)
• M24: 19,355,721 km (0.052 R)
• M25: 20,270,212 km (0.096 R)
• M26: 20,550,110 km (0.109 R)
• M27: 21,695,431 km (0.068 R)
• M28: 26,927,467 km (0.102 R)
• M29: 27,835,676 km (0.059 R)
• M30: 35,849,035 km (0.044 R)
• M31: 38,068,170 km (0.119 R)
• M32: 38,209,839 km (0.092 R)
• M33: 52,451,557 km (0.107 R)
• M34: 52,979,039 km (0.066 R)
• M35: 54,762,844 km (0.025 R)
• M36: 63,286,631 km (0.117 R)
• M37: 67,136,233 km (0.051 R)
• M38: 67,343,127 km (0.073 R)
• M39: 68,802,753 km (0.071 R)
• M40: 70,283,473 km (0.08 R)
• M41: 72,652,804 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit