🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 14.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.63 AU - 0.65 AU

Year: 347 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,005,123 km

• M1: 179,069 km (0.097 R)
• M2: 662,569 km (0.051 R)
• M3: 1,147,416 km (0.068 R)
• M4: 1,619,995 km (0.112 R)
• M5: 2,093,173 km (0.051 R)
• M6: 2,696,502 km (0.096 R)
• M7: 3,568,657 km (0.078 R)
• M8: 4,258,154 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.2

Radius: 14.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.96 AU - 1 AU

Year: 658 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,005,123 km

• M1: 179,218 km (0.101 R)
• M2: 703,110 km (0.046 R)
• M3: 1,157,888 km (0.098 R)
• M4: 1,614,011 km (0.118 R)
• M5: 2,389,676 km (0.095 R)
• M6: 3,237,896 km (0.114 R)
• M7: 3,824,170 km (0.116 R)
• M8: 4,465,048 km (0.093 R)
• M9: 5,090,666 km (0.12 R)
• M10: 7,107,096 km (0.094 R)
• M11: 7,846,408 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 10.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.7 AU - 5.06 AU

Year: 6217 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,005,123 km

• M1: 154,235 km (0.082 R)
• M2: 522,097 km (0.072 R)
• M3: 1,570,030 km (0.061 R)
• M4: 2,561,714 km (0.073 R)
• M5: 3,320,325 km (0.063 R)
• M6: 4,374,990 km (0.12 R)
• M7: 4,772,172 km (0.111 R)
• M8: 6,440,338 km (0.057 R)
• M9: 10,186,119 km (0.118 R)
• M10: 13,735,628 km (0.053 R)
• M11: 14,302,304 km (0.096 R)
• M12: 15,361,607 km (0.082 R)
• M13: 19,624,398 km (0.095 R)
• M14: 21,379,630 km (0.1 R)
• M15: 21,910,703 km (0.087 R)
• M16: 23,717,994 km (0.051 R)
• M17: 25,878,337 km (0.091 R)
• M18: 27,271,243 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.1

Radius: 10.9

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.52 AU - 5.44 AU

Year: 7538 Days

Day: 6.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,005,123 km

• M1: 135,536 km (0.114 R)
• M2: 534,962 km (0.073 R)
• M3: 874,100 km (0.081 R)
• M4: 1,215,782 km (0.106 R)
• M5: 1,705,266 km (0.114 R)
• M6: 2,254,141 km (0.119 R)
• M7: 3,130,186 km (0.098 R)
• M8: 4,465,197 km (0.097 R)
• M9: 6,393,065 km (0.082 R)
• M10: 7,802,875 km (0.119 R)
• M11: 8,777,805 km (0.086 R)
• M12: 9,317,853 km (0.096 R)
• M13: 9,975,784 km (0.032 R)
• M14: 10,917,802 km (0.057 R)
• M15: 12,136,277 km (0.068 R)
• M16: 13,209,492 km (0.033 R)
• M17: 13,859,196 km (0.099 R)
• M18: 17,572,215 km (0.046 R)
• M19: 20,621,019 km (0.109 R)
• M20: 21,819,448 km (0.101 R)
• M21: 22,643,882 km (0.109 R)
• M22: 23,233,148 km (0.074 R)
• M23: 24,530,460 km (0.112 R)
• M24: 27,269,149 km (0.092 R)
• M25: 27,840,313 km (0.103 R)
• M26: 34,883,680 km (0.108 R)
• M27: 36,468,071 km (0.032 R)
• M28: 39,779,869 km (0.098 R)
• M29: 41,383,558 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.7

Radius: 6.1

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.2 AU - 6.12 AU

Year: 9133 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,005,123 km

• M1: 75,996 km (0.05 R)
• M2: 269,127 km (0.066 R)
• M3: 460,313 km (0.12 R)
• M4: 654,939 km (0.098 R)
• M5: 915,539 km (0.109 R)
• M6: 1,119,590 km (0.089 R)
• M7: 1,844,991 km (0.09 R)
• M8: 2,681,991 km (0.045 R)
• M9: 3,476,804 km (0.111 R)
• M10: 5,103,232 km (0.093 R)
• M11: 5,890,566 km (0.106 R)
• M12: 6,532,041 km (0.102 R)
• M13: 7,580,274 km (0.083 R)
• M14: 8,037,894 km (0.102 R)
• M15: 12,961,459 km (0.071 R)
• M16: 13,676,088 km (0.072 R)
• M17: 15,445,232 km (0.098 R)
• M18: 18,229,249 km (0.099 R)
• M19: 19,739,140 km (0.072 R)
• M20: 20,286,818 km (0.105 R)
• M21: 23,264,264 km (0.035 R)
• M22: 24,766,526 km (0.102 R)
• M23: 25,403,364 km (0.12 R)
• M24: 26,051,272 km (0.112 R)
• M25: 28,060,821 km (0.094 R)
• M26: 29,355,291 km (0.11 R)
• M27: 38,450,393 km (0.119 R)
• M28: 40,671,024 km (0.046 R)
• M29: 41,049,207 km (0.079 R)
• M30: 44,425,930 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.2

Radius: 6

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.11 AU - 6.43 AU

Year: 9401 Days

Day: 17.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,005,123 km

• M1: 74,649 km (0.103 R)
• M2: 358,586 km (0.038 R)
• M3: 1,176,288 km (0.076 R)
• M4: 1,585,887 km (0.106 R)
• M5: 2,826,951 km (0.069 R)
• M6: 3,036,986 km (0.083 R)
• M7: 4,553,011 km (0.102 R)
• M8: 6,622,997 km (0.08 R)
• M9: 8,237,158 km (0.049 R)
• M10: 9,112,455 km (0.119 R)
• M11: 9,808,684 km (0.055 R)
• M12: 14,436,793 km (0.115 R)
• M13: 19,801,073 km (0.109 R)
• M14: 23,859,664 km (0.101 R)
• M15: 24,293,647 km (0.082 R)
• M16: 25,808,774 km (0.052 R)
• M17: 26,543,150 km (0.111 R)
• M18: 27,197,042 km (0.05 R)
• M19: 33,573,203 km (0.09 R)
• M20: 36,931,825 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 3.5

Gravity: 47.97 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.36 AU - 8.54 AU

Year: 16660 Days

Day: 22 Hours

Environment

Temp: -241 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,005,123 km

• M1: 43,683 km (0.042 R)
• M2: 268,079 km (0.102 R)
• M3: 461,809 km (0.091 R)
• M4: 811,568 km (0.073 R)
• M5: 1,805,198 km (0.064 R)
• M6: 2,239,181 km (0.113 R)
• M7: 2,762,474 km (0.06 R)
• M8: 3,389,589 km (0.042 R)
• M9: 3,722,145 km (0.092 R)
• M10: 4,167,797 km (0.118 R)
• M11: 4,615,094 km (0.071 R)
• M12: 5,717,930 km (0.078 R)
• M13: 6,350,878 km (0.061 R)
• M14: 6,684,182 km (0.08 R)
• M15: 6,855,173 km (0.109 R)
• M16: 6,985,323 km (0.059 R)
• M17: 8,038,791 km (0.096 R)
• M18: 11,276,239 km (0.099 R)
• M19: 14,849,085 km (0.038 R)
• M20: 15,435,359 km (0.097 R)
• M21: 16,036,892 km (0.09 R)
• M22: 17,447,300 km (0.066 R)
• M23: 19,453,558 km (0.107 R)
• M24: 25,752,675 km (0.054 R)
• M25: 28,343,411 km (0.12 R)
• M26: 30,513,478 km (0.082 R)
• M27: 34,924,221 km (0.114 R)
• M28: 35,309,885 km (0.077 R)
• M29: 37,280,837 km (0.065 R)
• M30: 38,361,382 km (0.099 R)
• M31: 51,990,945 km (0.087 R)
• M32: 53,169,028 km (0.09 R)
• M33: 57,879,566 km (0.079 R)
• M34: 63,622,179 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit