🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 11

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 541 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,068,244 km

• M1: 137,331 km (0.114 R)
• M2: 485,894 km (0.06 R)
• M3: 901,028 km (0.063 R)
• M4: 1,419,385 km (0.084 R)
• M5: 2,122,195 km (0.109 R)
• M6: 3,078,724 km (0.045 R)
• M7: 3,531,557 km (0.104 R)
• M8: 4,243,194 km (0.048 R)
• M9: 4,853,703 km (0.112 R)
• M10: 5,281,254 km (0.089 R)
• M11: 5,914,801 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 12.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.76 AU - 1.14 AU

Year: 651 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,068,244 km

• M1: 151,692 km (0.104 R)
• M2: 600,336 km (0.029 R)
• M3: 1,079,648 km (0.056 R)
• M4: 2,308,744 km (0.062 R)
• M5: 2,810,346 km (0.063 R)
• M6: 3,333,639 km (0.118 R)
• M7: 3,727,081 km (0.092 R)
• M8: 4,136,980 km (0.053 R)
• M9: 5,218,722 km (0.096 R)
• M10: 5,606,479 km (0.103 R)
• M11: 6,013,535 km (0.078 R)
• M12: 6,440,488 km (0.036 R)
• M13: 7,055,185 km (0.078 R)
• M14: 7,464,635 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 10.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.02 AU - 1.04 AU

Year: 735 Days

Day: 13.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,068,244 km

• M1: 132,843 km (0.059 R)
• M2: 512,822 km (0.049 R)
• M3: 1,127,818 km (0.111 R)
• M4: 1,479,373 km (0.085 R)
• M5: 1,855,612 km (0.096 R)
• M6: 2,320,712 km (0.062 R)
• M7: 2,722,083 km (0.092 R)
• M8: 3,231,613 km (0.026 R)
• M9: 4,005,184 km (0.06 R)
• M10: 4,416,728 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 15

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.82 AU - 1.28 AU

Year: 756 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,068,244 km

• M1: 206,146 km (0.119 R)
• M2: 711,487 km (0.077 R)
• M3: 1,186,760 km (0.102 R)
• M4: 1,911,562 km (0.083 R)
• M5: 2,388,031 km (0.072 R)
• M6: 3,003,028 km (0.063 R)
• M7: 3,916,921 km (0.091 R)
• M8: 4,795,509 km (0.064 R)
• M9: 5,858,103 km (0.084 R)
• M10: 6,455,597 km (0.052 R)
• M11: 6,988,016 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 9.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.43 AU - 1.69 AU

Year: 1370 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,068,244 km

• M1: 123,119 km (0.117 R)
• M2: 506,538 km (0.049 R)
• M3: 1,072,018 km (0.06 R)
• M4: 1,382,135 km (0.071 R)
• M5: 1,828,086 km (0.092 R)
• M6: 2,507,560 km (0.066 R)
• M7: 2,945,732 km (0.063 R)
• M8: 3,538,738 km (0.108 R)
• M9: 4,009,522 km (0.111 R)
• M10: 4,468,638 km (0.079 R)
• M11: 5,866,630 km (0.101 R)
• M12: 7,972,519 km (0.118 R)
• M13: 10,041,757 km (0.108 R)
• M14: 10,507,605 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.4

Radius: 9.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.17 AU - 3.43 AU

Year: 4214 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,068,244 km

• M1: 117,883 km (0.118 R)
• M2: 448,195 km (0.101 R)
• M3: 985,401 km (0.061 R)
• M4: 1,428,510 km (0.087 R)
• M5: 2,001,320 km (0.046 R)
• M6: 2,482,577 km (0.12 R)
• M7: 3,006,618 km (0.111 R)
• M8: 3,773,157 km (0.09 R)
• M9: 6,054,974 km (0.094 R)
• M10: 8,783,789 km (0.032 R)
• M11: 10,570,436 km (0.079 R)
• M12: 14,799,568 km (0.095 R)
• M13: 16,778,448 km (0.073 R)
• M14: 18,191,849 km (0.071 R)
• M15: 18,529,043 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 4.5

Gravity: 46.8 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.59 AU - 6.65 AU

Year: 9365 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,068,244 km

• M1: 55,950 km (0.098 R)
• M2: 231,727 km (0.091 R)
• M3: 452,384 km (0.111 R)
• M4: 653,294 km (0.025 R)
• M5: 797,805 km (0.098 R)
• M6: 1,825,393 km (0.061 R)
• M7: 2,302,461 km (0.072 R)
• M8: 2,601,208 km (0.085 R)
• M9: 2,880,507 km (0.083 R)
• M10: 3,550,107 km (0.117 R)
• M11: 4,288,821 km (0.104 R)
• M12: 5,392,255 km (0.116 R)
• M13: 5,991,096 km (0.108 R)
• M14: 6,175,400 km (0.085 R)
• M15: 6,478,186 km (0.118 R)
• M16: 7,920,459 km (0.067 R)
• M17: 8,929,048 km (0.108 R)
• M18: 10,072,125 km (0.048 R)
• M19: 10,598,261 km (0.101 R)
• M20: 11,032,245 km (0.084 R)
• M21: 12,464,794 km (0.063 R)
• M22: 13,009,480 km (0.104 R)
• M23: 13,381,230 km (0.112 R)
• M24: 18,802,208 km (0.082 R)
• M25: 19,679,600 km (0.086 R)
• M26: 24,105,902 km (0.079 R)
• M27: 26,697,685 km (0.088 R)
• M28: 28,942,251 km (0.118 R)
• M29: 32,426,834 km (0.034 R)
• M30: 36,669,729 km (0.113 R)
• M31: 37,910,793 km (0.083 R)
• M32: 38,288,528 km (0.066 R)
• M33: 44,958,648 km (0.056 R)
• M34: 47,537,416 km (0.119 R)

Asteroid Belt

Center: 6.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.2

Radius: 4.4

Gravity: 34.88 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.83 AU - 7.71 AU

Year: 13779 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,068,244 km

• M1: 57,296 km (0.1 R)
• M2: 428,299 km (0.106 R)
• M3: 649,404 km (0.044 R)
• M4: 1,242,261 km (0.095 R)
• M5: 1,464,414 km (0.117 R)
• M6: 2,099,307 km (0.112 R)
• M7: 3,242,085 km (0.114 R)
• M8: 5,432,347 km (0.11 R)
• M9: 8,448,540 km (0.108 R)
• M10: 12,865,417 km (0.102 R)
• M11: 18,123,632 km (0.106 R)
• M12: 25,050,762 km (0.094 R)
• M13: 27,206,766 km (0.072 R)
• M14: 32,355,327 km (0.103 R)
• M15: 35,534,281 km (0.078 R)
• M16: 39,860,951 km (0.117 R)
• M17: 44,966,876 km (0.114 R)
• M18: 45,708,732 km (0.119 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: 176 - 17,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit