🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 8.6

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.47 AU - 0.57 AU

Year: 254 Days

Day: 7.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 163.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,462,962 km

• M1: 106,962 km (0.103 R)
• M2: 375,042 km (0.099 R)
• M3: 735,274 km (0.093 R)
• M4: 1,004,998 km (0.083 R)
• M5: 1,708,557 km (0.071 R)
• M6: 2,063,852 km (0.05 R)
• M7: 2,726,272 km (0.105 R)
• M8: 3,183,592 km (0.075 R)
• M9: 3,468,875 km (0.117 R)
• M10: 3,829,257 km (0.075 R)
• M11: 4,164,805 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 9

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.46 AU - 0.64 AU

Year: 277 Days

Day: 13.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,462,962 km

• M1: 113,994 km (0.07 R)
• M2: 393,891 km (0.092 R)
• M3: 718,219 km (0.11 R)
• M4: 1,085,183 km (0.094 R)
• M5: 1,376,450 km (0.069 R)
• M6: 2,170,216 km (0.058 R)
• M7: 2,724,028 km (0.112 R)
• M8: 3,251,659 km (0.062 R)
• M9: 3,545,918 km (0.053 R)
• M10: 3,917,669 km (0.119 R)
• M11: 4,302,584 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 12.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.15 AU - 1.17 AU

Year: 847 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,462,962 km

• M1: 158,723 km (0.085 R)
• M2: 637,736 km (0.111 R)
• M3: 1,752,689 km (0.119 R)
• M4: 2,215,993 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 10.7

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.32 AU - 1.82 AU

Year: 1334 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,462,962 km

• M1: 133,292 km (0.091 R)
• M2: 493,523 km (0.092 R)
• M3: 912,996 km (0.059 R)
• M4: 1,537,118 km (0.059 R)
• M5: 1,883,437 km (0.093 R)
• M6: 2,671,369 km (0.062 R)
• M7: 3,208,725 km (0.052 R)
• M8: 3,766,126 km (0.102 R)
• M9: 4,693,184 km (0.103 R)
• M10: 5,116,696 km (0.09 R)
• M11: 5,721,071 km (0.11 R)
• M12: 6,087,287 km (0.073 R)
• M13: 7,495,003 km (0.118 R)
• M14: 8,246,433 km (0.113 R)
• M15: 10,907,630 km (0.053 R)
• M16: 12,020,189 km (0.08 R)
• M17: 12,508,626 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 14.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.41 AU - 1.93 AU

Year: 1464 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,462,962 km

• M1: 185,352 km (0.103 R)
• M2: 649,404 km (0.098 R)
• M3: 1,273,975 km (0.043 R)
• M4: 1,937,592 km (0.098 R)
• M5: 2,657,905 km (0.09 R)
• M6: 3,270,509 km (0.056 R)
• M7: 3,867,404 km (0.11 R)
• M8: 4,333,252 km (0.104 R)
• M9: 6,173,605 km (0.117 R)
• M10: 6,998,188 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 9.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.03 AU - 6.05 AU

Year: 7674 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,462,962 km

• M1: 116,986 km (0.102 R)
• M2: 433,684 km (0.097 R)
• M3: 888,761 km (0.095 R)
• M4: 1,282,503 km (0.102 R)
• M5: 1,858,754 km (0.1 R)
• M6: 2,530,598 km (0.071 R)
• M7: 3,831,800 km (0.091 R)
• M8: 5,388,366 km (0.09 R)
• M9: 5,888,771 km (0.08 R)
• M10: 6,549,245 km (0.093 R)
• M11: 8,055,247 km (0.085 R)
• M12: 11,544,767 km (0.087 R)
• M13: 12,376,980 km (0.07 R)
• M14: 13,726,502 km (0.097 R)
• M15: 14,270,889 km (0.081 R)
• M16: 14,829,487 km (0.068 R)
• M17: 15,286,808 km (0.062 R)
• M18: 18,231,343 km (0.08 R)
• M19: 22,718,232 km (0.089 R)
• M20: 25,867,566 km (0.108 R)
• M21: 29,118,478 km (0.119 R)
• M22: 30,565,388 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.1

Radius: 7.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.6 AU - 7.22 AU

Year: 11007 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,462,962 km

• M1: 98,286 km (0.074 R)
• M2: 495,767 km (0.097 R)
• M3: 1,030,879 km (0.089 R)
• M4: 1,669,063 km (0.107 R)
• M5: 2,013,887 km (0.111 R)
• M6: 3,750,718 km (0.092 R)
• M7: 4,345,968 km (0.116 R)
• M8: 4,776,660 km (0.11 R)
• M9: 6,477,737 km (0.102 R)
• M10: 6,968,269 km (0.102 R)
• M11: 7,673,324 km (0.037 R)
• M12: 9,009,681 km (0.112 R)
• M13: 10,589,584 km (0.073 R)
• M14: 11,024,017 km (0.109 R)
• M15: 11,980,097 km (0.078 R)
• M16: 12,504,886 km (0.066 R)
• M17: 13,045,084 km (0.119 R)
• M18: 14,699,636 km (0.031 R)
• M19: 15,301,319 km (0.117 R)
• M20: 16,361,519 km (0.066 R)
• M21: 21,019,847 km (0.097 R)
• M22: 21,938,229 km (0.069 R)
• M23: 23,043,158 km (0.111 R)
• M24: 24,350,943 km (0.078 R)
• M25: 29,317,742 km (0.058 R)
• M26: 31,440,835 km (0.042 R)
• M27: 31,738,086 km (0.071 R)
• M28: 34,498,316 km (0.067 R)
• M29: 35,882,695 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319

Radius: 3.9

Gravity: 20.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.72 AU - 9.26 AU

Year: 13903 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,462,962 km

• M1: 48,769 km (0.114 R)
• M2: 172,636 km (0.081 R)
• M3: 391,348 km (0.117 R)
• M4: 797,207 km (0.065 R)
• M5: 1,052,571 km (0.097 R)
• M6: 1,507,348 km (0.045 R)
• M7: 1,817,913 km (0.084 R)
• M8: 1,996,982 km (0.048 R)
• M9: 3,750,119 km (0.073 R)
• M10: 4,040,788 km (0.098 R)
• M11: 5,003,450 km (0.085 R)
• M12: 5,290,379 km (0.082 R)
• M13: 6,815,380 km (0.05 R)
• M14: 7,128,189 km (0.083 R)
• M15: 8,343,073 km (0.093 R)
• M16: 9,022,547 km (0.069 R)
• M17: 13,040,596 km (0.119 R)
• M18: 13,706,157 km (0.1 R)
• M19: 14,973,849 km (0.101 R)
• M20: 17,960,272 km (0.069 R)
• M21: 20,263,780 km (0.068 R)
• M22: 21,988,493 km (0.061 R)
• M23: 23,191,260 km (0.098 R)
• M24: 26,293,471 km (0.041 R)
• M25: 29,661,069 km (0.059 R)
• M26: 29,971,335 km (0.107 R)
• M27: 31,770,399 km (0.065 R)
• M28: 36,285,113 km (0.105 R)
• M29: 40,570,344 km (0.072 R)
• M30: 43,164,371 km (0.116 R)
• M31: 43,829,783 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.8

Radius: 6.5

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.92 AU - 10.14 AU

Year: 21545 Days

Day: 19.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,462,962 km

• M1: 84,074 km (0.057 R)
• M2: 313,707 km (0.119 R)
• M3: 810,072 km (0.114 R)
• M4: 1,090,718 km (0.034 R)
• M5: 2,218,387 km (0.067 R)
• M6: 5,834,317 km (0.096 R)
• M7: 10,091,723 km (0.038 R)
• M8: 15,283,367 km (0.045 R)
• M9: 19,858,968 km (0.098 R)
• M10: 24,848,057 km (0.09 R)
• M11: 25,807,278 km (0.113 R)
• M12: 27,686,377 km (0.074 R)
• M13: 44,380,901 km (0.113 R)
• M14: 47,717,981 km (0.113 R)
• M15: 50,878,086 km (0.095 R)
• M16: 60,998,233 km (0.067 R)
• M17: 63,920,178 km (0.086 R)
• M18: 66,323,917 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit