🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 13.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 8.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,206,779 km

• M1: 166,652 km (0.118 R)
• M2: 583,880 km (0.117 R)
• M3: 1,203,814 km (0.115 R)
• M4: 1,755,082 km (0.091 R)
• M5: 2,491,403 km (0.094 R)
• M6: 2,947,527 km (0.098 R)
• M7: 3,370,290 km (0.116 R)
• M8: 4,006,231 km (0.072 R)
• M9: 4,528,028 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 8.6

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,206,779 km

• M1: 113,545 km (0.058 R)
• M2: 382,372 km (0.108 R)
• M3: 809,025 km (0.118 R)
• M4: 1,127,818 km (0.07 R)
• M5: 1,579,754 km (0.087 R)
• M6: 1,920,837 km (0.063 R)
• M7: 2,481,230 km (0.112 R)
• M8: 3,345,308 km (0.102 R)
• M9: 4,240,501 km (0.096 R)
• M10: 4,586,820 km (0.074 R)
• M11: 6,092,972 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 10.4

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.69 AU - 0.97 AU

Year: 504 Days

Day: 6 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,206,779 km

• M1: 129,402 km (0.097 R)
• M2: 479,312 km (0.117 R)
• M3: 848,370 km (0.088 R)
• M4: 1,325,587 km (0.112 R)
• M5: 1,682,378 km (0.085 R)
• M6: 2,019,272 km (0.049 R)
• M7: 2,363,946 km (0.085 R)
• M8: 2,717,296 km (0.081 R)
• M9: 3,494,756 km (0.089 R)
• M10: 4,104,816 km (0.112 R)
• M11: 4,457,418 km (0.098 R)
• M12: 5,639,241 km (0.105 R)
• M13: 6,076,366 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 12.4

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.72 AU - 2 AU

Year: 1692 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,206,779 km

• M1: 159,771 km (0.032 R)
• M2: 587,022 km (0.067 R)
• M3: 1,090,568 km (0.092 R)
• M4: 2,243,519 km (0.04 R)
• M5: 3,061,072 km (0.102 R)
• M6: 3,757,450 km (0.092 R)
• M7: 4,259,051 km (0.101 R)
• M8: 4,890,055 km (0.075 R)
• M9: 6,468,014 km (0.106 R)
• M10: 9,588,476 km (0.081 R)
• M11: 9,999,570 km (0.097 R)
• M12: 11,724,733 km (0.097 R)
• M13: 12,801,239 km (0.1 R)
• M14: 14,426,770 km (0.049 R)
• M15: 15,196,750 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959

Radius: 13.9

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.17 AU - 3.49 AU

Year: 3175 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,206,779 km

• M1: 173,534 km (0.107 R)
• M2: 682,615 km (0.067 R)
• M3: 1,235,379 km (0.092 R)
• M4: 1,806,993 km (0.053 R)
• M5: 2,255,188 km (0.118 R)
• M6: 3,052,844 km (0.111 R)
• M7: 4,884,071 km (0.107 R)
• M8: 6,915,910 km (0.078 R)
• M9: 7,693,220 km (0.05 R)
• M10: 9,655,795 km (0.05 R)
• M11: 11,137,561 km (0.111 R)
• M12: 13,148,755 km (0.063 R)
• M13: 13,936,837 km (0.11 R)
• M14: 14,966,220 km (0.109 R)
• M15: 16,100,920 km (0.12 R)
• M16: 17,525,690 km (0.081 R)
• M17: 19,407,182 km (0.06 R)
• M18: 21,152,840 km (0.056 R)
• M19: 24,218,399 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 14.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.4 AU - 6.34 AU

Year: 8298 Days

Day: 13.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,206,779 km

• M1: 206,445 km (0.057 R)
• M2: 696,528 km (0.103 R)
• M3: 1,416,093 km (0.095 R)
• M4: 1,918,593 km (0.087 R)
• M5: 5,262,105 km (0.116 R)
• M6: 6,004,859 km (0.1 R)
• M7: 7,181,595 km (0.038 R)
• M8: 8,775,261 km (0.042 R)
• M9: 10,506,258 km (0.082 R)
• M10: 11,780,683 km (0.084 R)
• M11: 12,553,805 km (0.117 R)
• M12: 18,430,906 km (0.093 R)
• M13: 19,874,526 km (0.092 R)
• M14: 20,831,803 km (0.078 R)
• M15: 25,603,825 km (0.119 R)
• M16: 27,567,148 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 10.5

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.38 AU - 7 AU

Year: 9051 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,206,779 km

• M1: 132,544 km (0.04 R)
• M2: 459,864 km (0.094 R)
• M3: 793,916 km (0.109 R)
• M4: 2,619,309 km (0.04 R)
• M5: 3,512,708 km (0.115 R)
• M6: 4,785,037 km (0.12 R)
• M7: 5,586,284 km (0.11 R)
• M8: 6,114,963 km (0.097 R)
• M9: 6,744,919 km (0.114 R)
• M10: 7,564,865 km (0.054 R)
• M11: 8,212,624 km (0.057 R)
• M12: 9,105,424 km (0.093 R)
• M13: 10,845,247 km (0.116 R)
• M14: 11,768,715 km (0.043 R)
• M15: 12,430,237 km (0.106 R)
• M16: 13,332,461 km (0.115 R)
• M17: 13,716,330 km (0.078 R)
• M18: 14,621,845 km (0.086 R)
• M19: 15,089,189 km (0.088 R)
• M20: 16,053,946 km (0.099 R)
• M21: 21,429,147 km (0.107 R)
• M22: 30,184,961 km (0.092 R)
• M23: 30,657,391 km (0.113 R)
• M24: 32,202,886 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 11,170 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit