🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 11.7

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.7 AU - 0.9 AU

Year: 494 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,160,598 km

• M1: 145,559 km (0.09 R)
• M2: 543,190 km (0.073 R)
• M3: 965,355 km (0.038 R)
• M4: 1,606,382 km (0.096 R)
• M5: 1,975,739 km (0.102 R)
• M6: 2,393,267 km (0.059 R)
• M7: 3,098,022 km (0.09 R)
• M8: 3,518,093 km (0.115 R)
• M9: 4,233,919 km (0.047 R)
• M10: 4,844,129 km (0.103 R)
• M11: 5,250,586 km (0.108 R)
• M12: 5,679,932 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 11.8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.95 AU - 0.97 AU

Year: 649 Days

Day: 9.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,160,598 km

• M1: 146,756 km (0.119 R)
• M2: 524,640 km (0.096 R)
• M3: 1,163,871 km (0.099 R)
• M4: 1,585,289 km (0.117 R)
• M5: 2,315,775 km (0.119 R)
• M6: 2,747,814 km (0.084 R)
• M7: 3,169,829 km (0.096 R)
• M8: 3,621,166 km (0.088 R)
• M9: 5,115,798 km (0.077 R)
• M10: 5,778,367 km (0.09 R)
• M11: 6,921,893 km (0.117 R)
• M12: 7,570,699 km (0.096 R)

Asteroid Belt

Center: 1.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 14.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.32 AU - 2.4 AU

Year: 2503 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,160,598 km

• M1: 179,218 km (0.083 R)
• M2: 726,597 km (0.095 R)
• M3: 1,391,260 km (0.116 R)
• M4: 1,964,519 km (0.06 R)
• M5: 2,708,918 km (0.12 R)
• M6: 4,145,357 km (0.111 R)
• M7: 6,293,582 km (0.094 R)
• M8: 7,395,520 km (0.11 R)
• M9: 7,977,905 km (0.098 R)
• M10: 10,297,719 km (0.039 R)
• M11: 14,020,163 km (0.093 R)
• M12: 15,236,842 km (0.111 R)
• M13: 16,134,430 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 8.8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.37 AU - 3.17 AU

Year: 3182 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,160,598 km

• M1: 109,506 km (0.105 R)
• M2: 455,974 km (0.107 R)
• M3: 761,004 km (0.079 R)
• M4: 1,108,071 km (0.107 R)
• M5: 2,168,272 km (0.093 R)
• M6: 2,925,536 km (0.037 R)
• M7: 3,229,668 km (0.078 R)
• M8: 3,992,618 km (0.091 R)
• M9: 4,426,451 km (0.113 R)
• M10: 4,705,751 km (0.106 R)
• M11: 5,212,139 km (0.107 R)
• M12: 5,777,769 km (0.109 R)
• M13: 6,509,901 km (0.068 R)
• M14: 7,031,399 km (0.085 R)
• M15: 10,238,478 km (0.03 R)
• M16: 10,552,035 km (0.115 R)
• M17: 11,016,387 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 13.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.54 AU - 3.96 AU

Year: 5013 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,160,598 km

• M1: 179,966 km (0.095 R)
• M2: 673,041 km (0.027 R)
• M3: 1,253,780 km (0.105 R)
• M4: 3,124,950 km (0.066 R)
• M5: 7,306,061 km (0.096 R)
• M6: 8,022,036 km (0.034 R)
• M7: 12,553,505 km (0.113 R)
• M8: 13,107,765 km (0.102 R)
• M9: 14,215,986 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.3

Radius: 6.8

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.86 AU - 9.62 AU

Year: 17835 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,160,598 km

• M1: 84,672 km (0.037 R)
• M2: 494,421 km (0.115 R)
• M3: 1,709,904 km (0.12 R)
• M4: 2,236,039 km (0.092 R)
• M5: 2,504,568 km (0.093 R)
• M6: 4,531,619 km (0.102 R)
• M7: 5,607,377 km (0.109 R)
• M8: 6,066,194 km (0.079 R)
• M9: 8,204,097 km (0.07 R)
• M10: 9,050,222 km (0.115 R)
• M11: 9,415,092 km (0.107 R)
• M12: 9,898,442 km (0.104 R)
• M13: 10,285,751 km (0.045 R)
• M14: 11,149,828 km (0.083 R)
• M15: 11,569,301 km (0.061 R)
• M16: 11,813,594 km (0.043 R)
• M17: 12,123,860 km (0.112 R)
• M18: 16,360,173 km (0.087 R)
• M19: 20,228,624 km (0.076 R)
• M20: 20,852,597 km (0.096 R)
• M21: 21,765,892 km (0.118 R)
• M22: 24,565,466 km (0.074 R)
• M23: 28,585,161 km (0.11 R)
• M24: 29,144,807 km (0.078 R)
• M25: 31,813,184 km (0.106 R)
• M26: 51,312,967 km (0.037 R)
• M27: 59,071,262 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.7

Radius: 3.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.56 AU - 9.74 AU

Year: 19105 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,160,598 km

• M1: 39,943 km (0.071 R)
• M2: 142,118 km (0.086 R)
• M3: 277,205 km (0.105 R)
• M4: 628,311 km (0.113 R)
• M5: 1,360,593 km (0.091 R)
• M6: 1,774,231 km (0.098 R)
• M7: 2,034,082 km (0.099 R)
• M8: 2,764,419 km (0.11 R)
• M9: 9,037,357 km (0.117 R)
• M10: 9,846,681 km (0.106 R)
• M11: 12,947,845 km (0.107 R)
• M12: 26,732,990 km (0.088 R)
• M13: 28,015,492 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 19,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit