🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 11.6

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.04 AU - 1.26 AU

Year: 796 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,208,906 km

• M1: 144,212 km (0.095 R)
• M2: 663,467 km (0.111 R)
• M3: 1,101,788 km (0.069 R)
• M4: 2,555,730 km (0.099 R)
• M5: 2,939,598 km (0.058 R)
• M6: 3,705,689 km (0.074 R)
• M7: 4,265,484 km (0.113 R)
• M8: 4,634,841 km (0.066 R)
• M9: 5,007,340 km (0.072 R)
• M10: 5,752,786 km (0.114 R)
• M11: 6,548,946 km (0.087 R)
• M12: 7,417,062 km (0.098 R)
• M13: 8,104,614 km (0.055 R)
• M14: 8,700,762 km (0.112 R)
• M15: 9,437,681 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980

Radius: 13.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.45 AU - 1.57 AU

Year: 1198 Days

Day: 5.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,208,906 km

• M1: 164,408 km (0.032 R)
• M2: 858,692 km (0.113 R)
• M3: 1,337,405 km (0.113 R)
• M4: 1,784,403 km (0.086 R)
• M5: 2,227,961 km (0.067 R)
• M6: 2,719,390 km (0.074 R)
• M7: 3,328,702 km (0.11 R)
• M8: 4,221,802 km (0.039 R)
• M9: 4,902,023 km (0.119 R)
• M10: 6,104,790 km (0.025 R)
• M11: 6,579,165 km (0.11 R)
• M12: 8,351,301 km (0.103 R)
• M13: 9,271,029 km (0.099 R)
• M14: 9,708,154 km (0.096 R)
• M15: 10,356,511 km (0.036 R)
• M16: 12,104,113 km (0.085 R)
• M17: 12,664,956 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.08 AU - 2.1 AU

Year: 1951 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,208,906 km

• M1: 185,950 km (0.114 R)
• M2: 741,108 km (0.026 R)
• M3: 1,227,451 km (0.063 R)
• M4: 2,615,270 km (0.108 R)
• M5: 5,188,802 km (0.076 R)
• M6: 6,627,934 km (0.12 R)
• M7: 7,428,133 km (0.066 R)
• M8: 8,076,490 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 14.2

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.32 AU - 2.6 AU

Year: 2491 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,208,906 km

• M1: 176,974 km (0.115 R)
• M2: 651,798 km (0.056 R)
• M3: 1,241,064 km (0.039 R)
• M4: 1,826,141 km (0.097 R)
• M5: 2,279,423 km (0.087 R)
• M6: 2,921,497 km (0.067 R)
• M7: 3,402,753 km (0.075 R)
• M8: 3,977,658 km (0.108 R)
• M9: 5,324,487 km (0.076 R)
• M10: 5,968,357 km (0.112 R)
• M11: 7,319,973 km (0.074 R)
• M12: 7,791,805 km (0.083 R)
• M13: 8,250,472 km (0.065 R)
• M14: 9,962,769 km (0.088 R)
• M15: 10,943,234 km (0.077 R)
• M16: 13,005,291 km (0.104 R)
• M17: 13,841,693 km (0.104 R)
• M18: 14,962,330 km (0.07 R)
• M19: 15,725,130 km (0.065 R)
• M20: 17,218,565 km (0.082 R)
• M21: 18,399,341 km (0.119 R)
• M22: 20,056,736 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.5

Radius: 11.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.6 AU - 2.66 AU

Year: 2754 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,208,906 km

• M1: 141,968 km (0.079 R)
• M2: 868,266 km (0.117 R)
• M3: 1,386,922 km (0.083 R)
• M4: 1,925,624 km (0.051 R)
• M5: 3,345,906 km (0.104 R)
• M6: 4,662,966 km (0.11 R)
• M7: 5,281,702 km (0.118 R)
• M8: 6,761,973 km (0.068 R)
• M9: 7,137,614 km (0.058 R)
• M10: 9,004,296 km (0.118 R)
• M11: 12,928,248 km (0.105 R)
• M12: 15,447,027 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345

Radius: 14.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.4 AU - 3.48 AU

Year: 3255 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,208,906 km

• M1: 182,809 km (0.1 R)
• M2: 646,113 km (0.057 R)
• M3: 1,267,094 km (0.037 R)
• M4: 1,767,499 km (0.068 R)
• M5: 2,258,629 km (0.105 R)
• M6: 3,011,256 km (0.107 R)
• M7: 4,419,420 km (0.1 R)
• M8: 5,271,679 km (0.079 R)
• M9: 6,495,390 km (0.103 R)
• M10: 8,856,643 km (0.104 R)
• M11: 9,362,882 km (0.106 R)
• M12: 9,959,777 km (0.113 R)
• M13: 11,036,882 km (0.116 R)
• M14: 12,733,023 km (0.111 R)
• M15: 13,599,194 km (0.093 R)
• M16: 14,320,256 km (0.102 R)
• M17: 16,085,511 km (0.079 R)
• M18: 17,253,571 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 14.2

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.59 AU - 4.19 AU

Year: 4030 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,208,906 km

• M1: 176,675 km (0.087 R)
• M2: 692,040 km (0.047 R)
• M3: 1,856,809 km (0.047 R)
• M4: 2,572,635 km (0.113 R)
• M5: 3,148,138 km (0.063 R)
• M6: 3,654,377 km (0.082 R)
• M7: 4,429,294 km (0.112 R)
• M8: 5,068,376 km (0.056 R)
• M9: 5,639,092 km (0.089 R)
• M10: 6,792,342 km (0.088 R)
• M11: 7,425,290 km (0.11 R)
• M12: 9,021,051 km (0.054 R)
• M13: 9,637,992 km (0.063 R)
• M14: 10,090,227 km (0.113 R)
• M15: 10,596,167 km (0.12 R)
• M16: 11,957,208 km (0.116 R)
• M17: 12,837,143 km (0.098 R)
• M18: 14,431,557 km (0.079 R)
• M19: 15,276,635 km (0.09 R)
• M20: 16,366,007 km (0.102 R)
• M21: 18,757,329 km (0.119 R)
• M22: 20,869,202 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 12

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.65 AU - 6.09 AU

Year: 9183 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,208,906 km

• M1: 149,299 km (0.092 R)
• M2: 565,181 km (0.044 R)
• M3: 1,181,524 km (0.088 R)
• M4: 1,930,261 km (0.116 R)
• M5: 3,454,364 km (0.108 R)
• M6: 4,492,723 km (0.11 R)
• M7: 5,917,643 km (0.089 R)
• M8: 6,308,542 km (0.076 R)
• M9: 6,786,507 km (0.064 R)
• M10: 8,327,216 km (0.094 R)
• M11: 11,528,012 km (0.083 R)
• M12: 13,597,100 km (0.093 R)
• M13: 14,338,806 km (0.103 R)
• M14: 17,378,934 km (0.08 R)
• M15: 19,296,629 km (0.081 R)
• M16: 20,453,918 km (0.096 R)
• M17: 22,119,840 km (0.117 R)
• M18: 24,535,098 km (0.068 R)
• M19: 26,414,646 km (0.087 R)
• M20: 27,479,334 km (0.115 R)
• M21: 32,425,787 km (0.045 R)
• M22: 35,747,907 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.8

Radius: 3.7

Gravity: 47.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.5 AU - 12.08 AU

Year: 19778 Days

Day: 18.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,208,906 km

• M1: 46,076 km (0.119 R)
• M2: 216,618 km (0.097 R)
• M3: 385,215 km (0.117 R)
• M4: 1,097,151 km (0.093 R)
• M5: 1,334,563 km (0.079 R)
• M6: 1,691,503 km (0.065 R)
• M7: 1,892,413 km (0.078 R)
• M8: 2,342,104 km (0.087 R)
• M9: 3,564,169 km (0.094 R)
• M10: 3,742,041 km (0.083 R)
• M11: 4,212,676 km (0.061 R)
• M12: 5,120,137 km (0.094 R)
• M13: 5,308,480 km (0.081 R)
• M14: 8,717,966 km (0.074 R)
• M15: 9,711,146 km (0.046 R)
• M16: 11,723,985 km (0.093 R)
• M17: 11,854,285 km (0.111 R)
• M18: 12,250,719 km (0.082 R)
• M19: 13,780,507 km (0.084 R)
• M20: 14,292,730 km (0.089 R)
• M21: 18,239,272 km (0.111 R)
• M22: 21,659,677 km (0.088 R)
• M23: 24,409,137 km (0.094 R)
• M24: 25,922,469 km (0.093 R)
• M25: 30,342,936 km (0.065 R)
• M26: 33,118,425 km (0.097 R)
• M27: 33,378,875 km (0.107 R)
• M28: 40,193,657 km (0.071 R)
• M29: 47,217,726 km (0.057 R)
• M30: 52,504,963 km (0.113 R)
• M31: 54,834,800 km (0.119 R)
• M32: 57,607,597 km (0.092 R)
• M33: 60,861,500 km (0.104 R)
• M34: 62,632,739 km (0.088 R)
• M35: 67,523,393 km (0.063 R)
• M36: 69,421,041 km (0.102 R)
• M37: 69,847,545 km (0.086 R)
• M38: 70,061,470 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 16,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit