🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 10.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.72 AU - 0.86 AU

Year: 468 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,976,967 km

• M1: 132,993 km (0.073 R)
• M2: 603,328 km (0.116 R)
• M3: 1,261,559 km (0.068 R)
• M4: 2,019,122 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.2

Radius: 11.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.82 AU - 1.12 AU

Year: 637 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,976,967 km

• M1: 141,819 km (0.111 R)
• M2: 679,623 km (0.115 R)
• M3: 1,145,920 km (0.049 R)
• M4: 1,684,771 km (0.089 R)
• M5: 2,506,961 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 8.6

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.45 AU - 2.75 AU

Year: 2796 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,976,967 km

• M1: 106,962 km (0.112 R)
• M2: 461,210 km (0.114 R)
• M3: 787,184 km (0.109 R)
• M4: 1,134,700 km (0.08 R)
• M5: 1,497,923 km (0.09 R)
• M6: 1,887,776 km (0.106 R)
• M7: 2,161,689 km (0.119 R)
• M8: 4,522,493 km (0.077 R)
• M9: 9,632,009 km (0.114 R)
• M10: 10,292,633 km (0.072 R)
• M11: 13,193,635 km (0.071 R)
• M12: 13,959,576 km (0.085 R)
• M13: 15,422,792 km (0.085 R)
• M14: 16,380,817 km (0.108 R)
• M15: 16,929,991 km (0.118 R)
• M16: 20,109,843 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 10.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.46 AU - 4.02 AU

Year: 4823 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,976,967 km

• M1: 128,056 km (0.103 R)
• M2: 580,141 km (0.119 R)
• M3: 1,144,274 km (0.079 R)
• M4: 1,679,236 km (0.108 R)
• M5: 2,262,967 km (0.079 R)
• M6: 3,073,937 km (0.095 R)
• M7: 3,482,489 km (0.087 R)
• M8: 4,163,608 km (0.061 R)
• M9: 4,613,449 km (0.053 R)
• M10: 5,320,448 km (0.043 R)
• M11: 6,224,169 km (0.098 R)
• M12: 10,026,199 km (0.081 R)
• M13: 11,210,864 km (0.091 R)
• M14: 11,788,163 km (0.069 R)
• M15: 12,846,119 km (0.105 R)
• M16: 14,919,396 km (0.051 R)
• M17: 15,441,492 km (0.082 R)
• M18: 17,780,904 km (0.051 R)
• M19: 18,500,021 km (0.096 R)
• M20: 18,833,175 km (0.078 R)
• M21: 19,374,719 km (0.06 R)
• M22: 20,702,401 km (0.039 R)
• M23: 26,286,590 km (0.113 R)
• M24: 26,623,335 km (0.054 R)
• M25: 28,087,000 km (0.099 R)
• M26: 31,741,377 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 8.9

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.72 AU - 4.82 AU

Year: 6947 Days

Day: 10.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,976,967 km

• M1: 116,537 km (0.101 R)
• M2: 519,853 km (0.09 R)
• M3: 1,637,947 km (0.092 R)
• M4: 1,975,739 km (0.086 R)
• M5: 2,757,089 km (0.084 R)
• M6: 3,867,105 km (0.038 R)
• M7: 5,365,178 km (0.105 R)
• M8: 6,701,685 km (0.101 R)
• M9: 9,886,923 km (0.096 R)
• M10: 12,737,062 km (0.027 R)
• M11: 13,049,273 km (0.114 R)
• M12: 17,974,483 km (0.083 R)
• M13: 18,367,627 km (0.1 R)
• M14: 19,035,431 km (0.059 R)
• M15: 19,375,467 km (0.062 R)
• M16: 20,067,507 km (0.113 R)
• M17: 23,309,891 km (0.099 R)
• M18: 25,136,332 km (0.087 R)
• M19: 31,849,087 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 14

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.98 AU - 5.8 AU

Year: 8345 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,976,967 km

• M1: 176,077 km (0.052 R)
• M2: 993,180 km (0.064 R)
• M3: 2,524,314 km (0.09 R)
• M4: 3,421,154 km (0.111 R)
• M5: 4,521,147 km (0.075 R)
• M6: 6,014,582 km (0.053 R)
• M7: 7,141,054 km (0.111 R)
• M8: 8,533,362 km (0.108 R)
• M9: 9,156,736 km (0.048 R)
• M10: 12,290,811 km (0.071 R)
• M11: 13,379,435 km (0.078 R)
• M12: 18,240,020 km (0.03 R)
• M13: 20,745,186 km (0.096 R)
• M14: 23,214,448 km (0.063 R)
• M15: 26,243,206 km (0.063 R)
• M16: 26,897,996 km (0.055 R)
• M17: 30,234,926 km (0.09 R)
• M18: 34,838,502 km (0.117 R)
• M19: 36,202,086 km (0.112 R)
• M20: 40,755,546 km (0.084 R)
• M21: 42,269,327 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.6

Radius: 4.8

Gravity: 37.61 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.64 AU - 8.9 AU

Year: 13072 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,976,967 km

• M1: 63,130 km (0.075 R)
• M2: 256,411 km (0.094 R)
• M3: 633,098 km (0.077 R)
• M4: 822,938 km (0.097 R)
• M5: 981,512 km (0.055 R)
• M6: 1,305,690 km (0.119 R)
• M7: 1,698,235 km (0.106 R)
• M8: 1,922,183 km (0.059 R)
• M9: 2,646,686 km (0.112 R)
• M10: 2,806,456 km (0.085 R)
• M11: 3,070,496 km (0.119 R)
• M12: 4,264,886 km (0.091 R)
• M13: 5,156,339 km (0.1 R)
• M14: 8,715,572 km (0.1 R)
• M15: 9,918,189 km (0.086 R)
• M16: 10,082,747 km (0.098 R)
• M17: 10,817,272 km (0.06 R)
• M18: 11,227,171 km (0.09 R)
• M19: 12,971,183 km (0.099 R)
• M20: 15,838,675 km (0.106 R)
• M21: 16,063,819 km (0.082 R)
• M22: 17,860,639 km (0.093 R)
• M23: 20,577,486 km (0.052 R)
• M24: 23,170,167 km (0.089 R)
• M25: 23,655,014 km (0.099 R)
• M26: 24,146,592 km (0.069 R)
• M27: 24,947,240 km (0.084 R)
• M28: 25,662,019 km (0.119 R)
• M29: 25,868,913 km (0.03 R)
• M30: 28,217,001 km (0.08 R)
• M31: 28,547,762 km (0.113 R)
• M32: 32,119,261 km (0.105 R)
• M33: 35,080,701 km (0.071 R)
• M34: 39,031,880 km (0.111 R)
• M35: 43,709,506 km (0.094 R)
• M36: 44,300,567 km (0.062 R)
• M37: 44,897,163 km (0.059 R)
• M38: 48,431,263 km (0.094 R)
• M39: 51,323,289 km (0.064 R)
• M40: 56,221,124 km (0.114 R)
• M41: 60,685,723 km (0.084 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: 531 - 11,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit