🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 11.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.88 AU

Year: 418 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,403,189 km

• M1: 143,016 km (0.099 R)
• M2: 527,332 km (0.092 R)
• M3: 1,054,067 km (0.117 R)
• M4: 1,472,342 km (0.076 R)
• M5: 2,142,989 km (0.083 R)
• M6: 3,195,411 km (0.117 R)
• M7: 3,742,789 km (0.1 R)
• M8: 4,186,796 km (0.117 R)
• M9: 4,798,800 km (0.084 R)
• M10: 5,453,291 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 12.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.76 AU - 0.82 AU

Year: 461 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,403,189 km

• M1: 150,495 km (0.055 R)
• M2: 552,465 km (0.097 R)
• M3: 1,230,442 km (0.116 R)
• M4: 1,658,143 km (0.107 R)
• M5: 2,427,674 km (0.06 R)
• M6: 3,573,145 km (0.118 R)
• M7: 4,643,817 km (0.084 R)
• M8: 5,094,705 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 8.7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.69 AU - 0.97 AU

Year: 496 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,403,189 km

• M1: 108,159 km (0.064 R)
• M2: 448,046 km (0.091 R)
• M3: 740,509 km (0.091 R)
• M4: 1,206,806 km (0.117 R)
• M5: 1,589,926 km (0.068 R)
• M6: 1,908,719 km (0.091 R)
• M7: 2,859,713 km (0.12 R)
• M8: 3,573,295 km (0.026 R)
• M9: 4,168,395 km (0.088 R)
• M10: 4,445,151 km (0.098 R)
• M11: 4,796,557 km (0.115 R)
• M12: 5,282,899 km (0.096 R)
• M13: 5,607,676 km (0.066 R)
• M14: 6,565,252 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 8.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.84 AU - 1.16 AU

Year: 656 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,403,189 km

• M1: 108,159 km (0.111 R)
• M2: 389,702 km (0.092 R)
• M3: 747,840 km (0.078 R)
• M4: 1,157,738 km (0.055 R)
• M5: 1,538,465 km (0.068 R)
• M6: 1,902,137 km (0.055 R)
• M7: 2,525,511 km (0.096 R)
• M8: 3,057,930 km (0.049 R)
• M9: 3,473,513 km (0.116 R)
• M10: 4,008,176 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 9

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.41 AU - 2.03 AU

Year: 1480 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,403,189 km

• M1: 115,340 km (0.111 R)
• M2: 419,921 km (0.056 R)
• M3: 816,505 km (0.095 R)
• M4: 1,193,043 km (0.071 R)
• M5: 1,684,472 km (0.075 R)
• M6: 2,068,041 km (0.097 R)
• M7: 2,739,137 km (0.1 R)
• M8: 3,257,344 km (0.07 R)
• M9: 4,489,283 km (0.067 R)
• M10: 6,298,220 km (0.097 R)
• M11: 7,726,880 km (0.066 R)
• M12: 8,013,509 km (0.054 R)
• M13: 8,307,170 km (0.089 R)
• M14: 9,392,353 km (0.098 R)
• M15: 11,505,273 km (0.117 R)
• M16: 11,879,567 km (0.064 R)
• M17: 12,534,656 km (0.107 R)
• M18: 12,931,090 km (0.1 R)
• M19: 14,085,836 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 11.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.71 AU - 2.09 AU

Year: 1718 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,403,189 km

• M1: 148,102 km (0.071 R)
• M2: 560,244 km (0.111 R)
• M3: 1,013,974 km (0.088 R)
• M4: 1,434,494 km (0.103 R)
• M5: 2,475,845 km (0.088 R)
• M6: 3,004,823 km (0.046 R)
• M7: 3,414,571 km (0.074 R)
• M8: 3,861,719 km (0.092 R)
• M9: 4,814,059 km (0.076 R)
• M10: 5,598,551 km (0.086 R)
• M11: 6,247,357 km (0.12 R)
• M12: 6,665,333 km (0.078 R)
• M13: 7,612,437 km (0.105 R)
• M14: 9,419,580 km (0.086 R)
• M15: 10,203,622 km (0.087 R)
• M16: 11,901,707 km (0.118 R)
• M17: 13,133,945 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 8.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.06 AU - 2.1 AU

Year: 1968 Days

Day: 14.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,403,189 km

• M1: 106,962 km (0.102 R)
• M2: 386,411 km (0.045 R)
• M3: 982,708 km (0.109 R)
• M4: 1,416,393 km (0.083 R)
• M5: 1,718,730 km (0.051 R)
• M6: 2,433,359 km (0.107 R)
• M7: 2,858,666 km (0.083 R)
• M8: 3,448,530 km (0.053 R)
• M9: 4,335,496 km (0.115 R)
• M10: 4,686,752 km (0.085 R)
• M11: 5,075,856 km (0.114 R)
• M12: 5,386,720 km (0.083 R)
• M13: 6,220,130 km (0.06 R)
• M14: 7,281,676 km (0.057 R)
• M15: 8,325,869 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.9

Radius: 9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.92 AU - 2.64 AU

Year: 2258 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,403,189 km

• M1: 111,899 km (0.111 R)
• M2: 439,967 km (0.093 R)
• M3: 729,140 km (0.055 R)
• M4: 1,026,840 km (0.12 R)
• M5: 1,494,483 km (0.113 R)
• M6: 2,389,078 km (0.108 R)
• M7: 2,735,995 km (0.05 R)
• M8: 3,199,898 km (0.116 R)
• M9: 3,513,755 km (0.093 R)
• M10: 3,905,851 km (0.119 R)
• M11: 4,431,687 km (0.055 R)
• M12: 5,073,163 km (0.107 R)
• M13: 6,322,754 km (0.077 R)
• M14: 6,876,266 km (0.09 R)
• M15: 7,164,840 km (0.113 R)
• M16: 7,643,554 km (0.118 R)
• M17: 8,175,374 km (0.045 R)
• M18: 8,798,748 km (0.114 R)
• M19: 12,064,919 km (0.104 R)
• M20: 12,959,963 km (0.074 R)
• M21: 14,881,847 km (0.115 R)
• M22: 18,274,427 km (0.068 R)
• M23: 18,606,235 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 11.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.02 AU - 5.9 AU

Year: 8369 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,403,189 km

• M1: 147,055 km (0.099 R)
• M2: 616,194 km (0.032 R)
• M3: 1,047,185 km (0.108 R)
• M4: 2,184,129 km (0.089 R)
• M5: 2,662,842 km (0.112 R)
• M6: 3,757,899 km (0.082 R)
• M7: 4,857,144 km (0.049 R)
• M8: 5,225,753 km (0.044 R)
• M9: 6,301,511 km (0.115 R)
• M10: 6,703,630 km (0.099 R)
• M11: 7,930,333 km (0.108 R)
• M12: 8,531,118 km (0.1 R)
• M13: 9,631,560 km (0.088 R)
• M14: 10,466,615 km (0.102 R)
• M15: 11,349,392 km (0.115 R)
• M16: 12,564,576 km (0.119 R)
• M17: 13,203,807 km (0.102 R)
• M18: 14,547,346 km (0.081 R)
• M19: 18,598,456 km (0.042 R)
• M20: 18,973,049 km (0.093 R)
• M21: 20,681,158 km (0.057 R)
• M22: 23,172,860 km (0.041 R)
• M23: 24,490,967 km (0.065 R)
• M24: 26,988,353 km (0.043 R)
• M25: 27,759,830 km (0.079 R)
• M26: 28,249,464 km (0.12 R)
• M27: 29,346,913 km (0.087 R)
• M28: 31,733,149 km (0.102 R)
• M29: 38,440,818 km (0.1 R)
• M30: 39,294,424 km (0.111 R)
• M31: 39,911,964 km (0.068 R)
• M32: 41,166,342 km (0.106 R)
• M33: 43,885,882 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.8

Radius: 3.2

Gravity: 18.54 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.77 AU - 12.03 AU

Year: 23607 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,403,189 km

• M1: 82,877 km (0.066 R)
• M2: 288,425 km (0.116 R)
• M3: 637,437 km (0.102 R)
• M4: 947,104 km (0.091 R)
• M5: 1,446,761 km (0.079 R)
• M6: 1,641,687 km (0.116 R)
• M7: 2,084,198 km (0.114 R)
• M8: 2,215,844 km (0.092 R)
• M9: 2,889,782 km (0.093 R)
• M10: 3,101,762 km (0.101 R)
• M11: 3,744,883 km (0.104 R)
• M12: 3,968,233 km (0.111 R)
• M13: 4,230,029 km (0.052 R)
• M14: 4,534,311 km (0.098 R)
• M15: 7,254,898 km (0.113 R)
• M16: 9,402,376 km (0.105 R)
• M17: 11,701,845 km (0.098 R)
• M18: 13,751,784 km (0.091 R)
• M19: 22,474,387 km (0.061 R)
• M20: 25,710,937 km (0.115 R)
• M21: 26,718,928 km (0.109 R)
• M22: 38,545,387 km (0.099 R)
• M23: 47,507,048 km (0.113 R)
• M24: 48,260,423 km (0.049 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 10,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit