🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 14.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.8 AU - 0.92 AU

Year: 515 Days

Day: 6.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,241,194 km

• M1: 224,546 km (0.094 R)
• M2: 510,727 km (0.053 R)
• M3: 832,512 km (0.078 R)
• M4: 1,246,898 km (0.069 R)
• M5: 1,612,216 km (0.1 R)
• M6: 1,935,048 km (0.027 R)
• M7: 2,395,959 km (0.063 R)
• M8: 2,776,985 km (0.113 R)
• M9: 3,056,434 km (0.076 R)
• M10: 3,331,993 km (0.038 R)
• M11: 4,234,368 km (0.098 R)
• M12: 5,101,287 km (0.097 R)
• M13: 5,436,237 km (0.073 R)
• M14: 5,953,397 km (0.117 R)
• M15: 6,715,299 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 13.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.13 AU - 1.17 AU

Year: 796 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,241,194 km

• M1: 176,376 km (0.095 R)
• M2: 427,700 km (0.1 R)
• M3: 716,873 km (0.113 R)
• M4: 1,060,948 km (0.119 R)
• M5: 1,402,031 km (0.117 R)
• M6: 1,669,213 km (0.072 R)
• M7: 1,932,505 km (0.089 R)
• M8: 2,197,892 km (0.115 R)
• M9: 2,474,947 km (0.119 R)
• M10: 2,740,932 km (0.044 R)
• M11: 3,174,916 km (0.045 R)
• M12: 3,803,227 km (0.084 R)
• M13: 4,453,977 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 8.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.52 AU - 2.14 AU

Year: 1598 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,241,194 km

• M1: 111,002 km (0.109 R)
• M2: 438,771 km (0.101 R)
• M3: 1,292,226 km (0.093 R)
• M4: 1,745,957 km (0.081 R)
• M5: 2,165,429 km (0.035 R)
• M6: 2,383,842 km (0.098 R)
• M7: 3,072,740 km (0.11 R)
• M8: 4,737,017 km (0.103 R)
• M9: 5,214,234 km (0.081 R)
• M10: 5,788,390 km (0.093 R)
• M11: 6,377,507 km (0.068 R)
• M12: 6,850,535 km (0.093 R)
• M13: 7,109,788 km (0.1 R)
• M14: 7,558,432 km (0.107 R)
• M15: 7,745,280 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 9.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.9 AU - 1.92 AU

Year: 1704 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,241,194 km

• M1: 345,870 km (0.033 R)
• M2: 580,889 km (0.085 R)
• M3: 822,339 km (0.118 R)
• M4: 1,232,088 km (0.043 R)
• M5: 1,562,400 km (0.099 R)
• M6: 5,134,049 km (0.087 R)
• M7: 5,394,050 km (0.074 R)
• M8: 6,166,574 km (0.075 R)
• M9: 7,432,770 km (0.077 R)
• M10: 8,744,145 km (0.074 R)
• M11: 9,160,626 km (0.12 R)
• M12: 9,567,382 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 8.5

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.99 AU - 2.71 AU

Year: 2326 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,241,194 km

• M1: 211,831 km (0.076 R)
• M2: 436,975 km (0.039 R)
• M3: 621,579 km (0.069 R)
• M4: 1,051,673 km (0.094 R)
• M5: 1,814,473 km (0.082 R)
• M6: 2,904,742 km (0.108 R)
• M7: 3,435,366 km (0.042 R)
• M8: 3,717,956 km (0.079 R)
• M9: 4,226,439 km (0.106 R)
• M10: 4,502,597 km (0.088 R)
• M11: 4,768,432 km (0.061 R)
• M12: 5,446,559 km (0.098 R)
• M13: 6,148,772 km (0.037 R)
• M14: 9,418,084 km (0.092 R)
• M15: 12,940,216 km (0.046 R)
• M16: 13,261,851 km (0.054 R)
• M17: 16,733,868 km (0.105 R)
• M18: 17,880,835 km (0.087 R)
• M19: 19,027,353 km (0.029 R)
• M20: 19,772,051 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 12.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.14 AU - 2.66 AU

Year: 2401 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,241,194 km

• M1: 206,295 km (0.051 R)
• M2: 506,090 km (0.044 R)
• M3: 1,192,893 km (0.035 R)
• M4: 1,519,914 km (0.07 R)
• M5: 1,910,814 km (0.034 R)
• M6: 2,394,464 km (0.101 R)
• M7: 2,900,553 km (0.075 R)
• M8: 3,511,361 km (0.108 R)
• M9: 3,756,253 km (0.094 R)
• M10: 4,183,654 km (0.085 R)
• M11: 4,619,433 km (0.116 R)
• M12: 5,575,363 km (0.098 R)
• M13: 6,294,181 km (0.072 R)
• M14: 6,642,445 km (0.075 R)
• M15: 7,805,269 km (0.103 R)
• M16: 10,489,055 km (0.118 R)
• M17: 11,969,326 km (0.119 R)
• M18: 13,019,951 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 10.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.91 AU - 2.93 AU

Year: 2431 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,241,194 km

• M1: 184,005 km (0.106 R)
• M2: 537,356 km (0.071 R)
• M3: 1,506,451 km (0.071 R)
• M4: 1,775,278 km (0.101 R)
• M5: 2,099,606 km (0.073 R)
• M6: 2,593,429 km (0.109 R)
• M7: 2,811,393 km (0.088 R)
• M8: 3,761,339 km (0.067 R)
• M9: 4,692,436 km (0.094 R)
• M10: 5,482,313 km (0.117 R)
• M11: 5,819,507 km (0.109 R)
• M12: 6,204,272 km (0.061 R)
• M13: 7,932,277 km (0.026 R)
• M14: 8,534,409 km (0.118 R)
• M15: 9,341,340 km (0.025 R)
• M16: 9,947,211 km (0.093 R)
• M17: 12,298,890 km (0.116 R)
• M18: 12,537,199 km (0.053 R)
• M19: 13,931,751 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.7

Radius: 3.6

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.44 AU - 7.42 AU

Year: 11779 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,241,194 km

• M1: 265,387 km (0.04 R)
• M2: 740,958 km (0.044 R)
• M3: 1,352,066 km (0.084 R)
• M4: 2,318,767 km (0.077 R)
• M5: 4,750,630 km (0.116 R)
• M6: 4,995,073 km (0.12 R)
• M7: 5,245,649 km (0.066 R)
• M8: 5,330,471 km (0.073 R)
• M9: 6,217,437 km (0.074 R)
• M10: 6,814,781 km (0.081 R)
• M11: 8,232,969 km (0.118 R)
• M12: 8,518,252 km (0.117 R)
• M13: 8,845,273 km (0.111 R)
• M14: 8,992,478 km (0.104 R)
• M15: 9,290,776 km (0.098 R)
• M16: 9,593,861 km (0.115 R)
• M17: 9,747,199 km (0.106 R)
• M18: 10,452,702 km (0.07 R)
• M19: 11,224,179 km (0.041 R)
• M20: 12,238,003 km (0.068 R)
• M21: 15,204,978 km (0.048 R)
• M22: 16,083,566 km (0.088 R)
• M23: 16,986,988 km (0.111 R)
• M24: 18,072,320 km (0.105 R)
• M25: 18,707,513 km (0.036 R)
• M26: 19,462,683 km (0.088 R)
• M27: 20,735,611 km (0.044 R)
• M28: 21,187,846 km (0.102 R)
• M29: 22,281,556 km (0.054 R)
• M30: 22,398,242 km (0.115 R)
• M31: 23,462,631 km (0.085 R)
• M32: 28,624,356 km (0.082 R)
• M33: 29,624,118 km (0.106 R)
• M34: 32,797,239 km (0.078 R)
• M35: 34,083,032 km (0.105 R)
• M36: 36,132,075 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 19,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit