🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 11.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,430,773 km

• M1: 144,212 km (0.114 R)
• M2: 768,933 km (0.088 R)
• M3: 1,308,383 km (0.098 R)
• M4: 1,771,538 km (0.119 R)
• M5: 2,140,147 km (0.072 R)
• M6: 2,660,299 km (0.116 R)
• M7: 3,458,703 km (0.089 R)
• M8: 3,956,864 km (0.117 R)
• M9: 4,596,095 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 11.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.57 AU - 0.67 AU

Year: 331 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,430,773 km

• M1: 144,212 km (0.107 R)
• M2: 506,538 km (0.085 R)
• M3: 891,454 km (0.101 R)
• M4: 1,386,174 km (0.049 R)
• M5: 2,151,816 km (0.109 R)
• M6: 2,609,136 km (0.063 R)
• M7: 3,513,456 km (0.073 R)
• M8: 3,892,387 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 10.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.53 AU - 0.85 AU

Year: 389 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,430,773 km

• M1: 133,142 km (0.037 R)
• M2: 493,823 km (0.082 R)
• M3: 842,535 km (0.026 R)
• M4: 1,194,838 km (0.102 R)
• M5: 1,545,047 km (0.111 R)
• M6: 2,087,040 km (0.112 R)
• M7: 2,664,188 km (0.097 R)
• M8: 3,396,620 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 11.4

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.54 AU - 0.88 AU

Year: 406 Days

Day: 14.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,430,773 km

• M1: 141,819 km (0.044 R)
• M2: 541,395 km (0.101 R)
• M3: 956,080 km (0.116 R)
• M4: 1,480,570 km (0.107 R)
• M5: 1,861,297 km (0.1 R)
• M6: 2,572,934 km (0.103 R)
• M7: 2,932,866 km (0.078 R)
• M8: 3,338,576 km (0.116 R)
• M9: 4,909,204 km (0.109 R)
• M10: 5,534,523 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 10.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.26 AU - 1.78 AU

Year: 1271 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,430,773 km

• M1: 129,402 km (0.094 R)
• M2: 469,139 km (0.116 R)
• M3: 799,301 km (0.111 R)
• M4: 1,443,769 km (0.049 R)
• M5: 1,780,065 km (0.085 R)
• M6: 2,429,918 km (0.112 R)
• M7: 2,823,211 km (0.1 R)
• M8: 3,217,401 km (0.102 R)
• M9: 3,559,233 km (0.099 R)
• M10: 3,941,156 km (0.117 R)
• M11: 4,609,410 km (0.099 R)
• M12: 5,690,254 km (0.112 R)
• M13: 6,323,203 km (0.064 R)
• M14: 6,909,178 km (0.099 R)
• M15: 8,215,765 km (0.071 R)
• M16: 8,722,154 km (0.092 R)
• M17: 9,448,751 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 14.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.02 AU - 2.76 AU

Year: 2506 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,430,773 km

• M1: 182,958 km (0.095 R)
• M2: 694,134 km (0.08 R)
• M3: 1,237,025 km (0.113 R)
• M4: 1,778,270 km (0.102 R)
• M5: 2,354,820 km (0.064 R)
• M6: 3,256,147 km (0.091 R)
• M7: 3,759,544 km (0.119 R)
• M8: 5,617,550 km (0.116 R)
• M9: 6,319,912 km (0.07 R)
• M10: 8,683,259 km (0.06 R)
• M11: 9,163,019 km (0.09 R)
• M12: 9,732,987 km (0.09 R)
• M13: 11,262,476 km (0.108 R)
• M14: 14,411,511 km (0.058 R)
• M15: 15,036,980 km (0.093 R)
• M16: 16,654,282 km (0.058 R)
• M17: 17,182,662 km (0.096 R)
• M18: 18,440,780 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 12.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.37 AU - 3.67 AU

Year: 3560 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,430,773 km

• M1: 162,164 km (0.104 R)
• M2: 650,900 km (0.078 R)
• M3: 1,150,856 km (0.098 R)
• M4: 1,725,163 km (0.084 R)
• M5: 2,248,905 km (0.11 R)
• M6: 2,895,168 km (0.032 R)
• M7: 3,642,559 km (0.061 R)
• M8: 4,633,196 km (0.054 R)
• M9: 5,441,623 km (0.1 R)
• M10: 7,176,659 km (0.093 R)
• M11: 8,224,143 km (0.1 R)
• M12: 9,217,323 km (0.117 R)
• M13: 10,579,711 km (0.107 R)
• M14: 11,574,836 km (0.111 R)
• M15: 12,303,228 km (0.04 R)
• M16: 13,354,303 km (0.07 R)
• M17: 14,777,726 km (0.058 R)
• M18: 15,744,727 km (0.059 R)
• M19: 16,356,134 km (0.113 R)
• M20: 19,974,457 km (0.072 R)
• M21: 21,156,430 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.2

Radius: 9.9

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.28 AU - 5.18 AU

Year: 6977 Days

Day: 5.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,430,773 km

• M1: 123,119 km (0.068 R)
• M2: 507,286 km (0.11 R)
• M3: 957,875 km (0.112 R)
• M4: 1,432,100 km (0.079 R)
• M5: 1,947,764 km (0.036 R)
• M6: 2,381,449 km (0.114 R)
• M7: 2,817,975 km (0.082 R)
• M8: 3,680,856 km (0.119 R)
• M9: 4,187,244 km (0.1 R)
• M10: 6,263,962 km (0.044 R)
• M11: 7,886,501 km (0.054 R)
• M12: 8,216,813 km (0.076 R)
• M13: 9,400,581 km (0.104 R)
• M14: 9,866,728 km (0.032 R)
• M15: 10,794,833 km (0.055 R)
• M16: 11,410,428 km (0.046 R)
• M17: 12,880,975 km (0.095 R)
• M18: 15,032,940 km (0.053 R)
• M19: 20,036,840 km (0.119 R)
• M20: 21,282,691 km (0.093 R)
• M21: 23,079,062 km (0.047 R)
• M22: 23,501,077 km (0.069 R)
• M23: 25,869,361 km (0.117 R)
• M24: 29,268,524 km (0.079 R)
• M25: 39,766,854 km (0.082 R)
• M26: 40,740,587 km (0.031 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 9.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.24 AU - 5.3 AU

Year: 7066 Days

Day: 12 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,430,773 km

• M1: 121,922 km (0.115 R)
• M2: 454,030 km (0.102 R)
• M3: 1,648,269 km (0.119 R)
• M4: 1,970,952 km (0.083 R)
• M5: 2,714,453 km (0.101 R)
• M6: 4,124,264 km (0.112 R)
• M7: 4,611,055 km (0.086 R)
• M8: 5,086,627 km (0.08 R)
• M9: 6,952,411 km (0.111 R)
• M10: 8,729,335 km (0.048 R)
• M11: 9,458,325 km (0.073 R)
• M12: 11,586,953 km (0.106 R)
• M13: 13,534,269 km (0.03 R)
• M14: 18,829,286 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit