🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.2

Radius: 11

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 13.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,615,322 km

• M1: 139,425 km (0.117 R)
• M2: 599,887 km (0.096 R)
• M3: 1,029,084 km (0.025 R)
• M4: 1,429,408 km (0.035 R)
• M5: 1,825,842 km (0.084 R)
• M6: 2,391,472 km (0.091 R)
• M7: 2,947,826 km (0.06 R)
• M8: 3,472,316 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 14.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.66 AU

Year: 297 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,615,322 km

• M1: 179,069 km (0.095 R)
• M2: 906,264 km (0.083 R)
• M3: 2,196,546 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.4

Radius: 9.7

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.93 AU - 1.01 AU

Year: 659 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,615,322 km

• M1: 120,875 km (0.118 R)
• M2: 427,102 km (0.107 R)
• M3: 775,216 km (0.102 R)
• M4: 1,143,077 km (0.088 R)
• M5: 1,464,264 km (0.075 R)
• M6: 1,796,222 km (0.081 R)
• M7: 2,217,190 km (0.119 R)
• M8: 2,572,635 km (0.098 R)
• M9: 3,159,357 km (0.101 R)
• M10: 3,504,779 km (0.089 R)
• M11: 3,875,333 km (0.109 R)
• M12: 4,272,066 km (0.075 R)
• M13: 6,275,182 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 10.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.14 AU - 1.38 AU

Year: 976 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,615,322 km

• M1: 125,961 km (0.044 R)
• M2: 561,740 km (0.076 R)
• M3: 1,601,445 km (0.068 R)
• M4: 2,171,263 km (0.109 R)
• M5: 2,680,644 km (0.093 R)
• M6: 3,162,349 km (0.114 R)
• M7: 3,628,796 km (0.037 R)
• M8: 5,575,213 km (0.103 R)
• M9: 6,995,795 km (0.032 R)
• M10: 7,362,609 km (0.09 R)
• M11: 9,093,905 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 8.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.39 AU - 2.03 AU

Year: 1543 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,615,322 km

• M1: 109,506 km (0.107 R)
• M2: 385,364 km (0.117 R)
• M3: 799,301 km (0.107 R)
• M4: 1,095,954 km (0.09 R)
• M5: 1,594,414 km (0.109 R)
• M6: 2,012,839 km (0.054 R)
• M7: 2,882,003 km (0.11 R)
• M8: 3,371,936 km (0.12 R)
• M9: 3,867,404 km (0.113 R)
• M10: 5,121,184 km (0.077 R)
• M11: 5,712,993 km (0.115 R)
• M12: 6,911,721 km (0.081 R)
• M13: 7,480,941 km (0.117 R)
• M14: 8,108,055 km (0.105 R)
• M15: 8,854,848 km (0.105 R)
• M16: 9,829,029 km (0.118 R)
• M17: 10,677,847 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.2

Radius: 13.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.53 AU - 2.39 AU

Year: 1894 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,615,322 km

• M1: 165,455 km (0.115 R)
• M2: 822,040 km (0.074 R)
• M3: 1,400,535 km (0.051 R)
• M4: 2,964,431 km (0.082 R)
• M5: 4,027,175 km (0.061 R)
• M6: 4,964,405 km (0.073 R)
• M7: 5,875,905 km (0.075 R)
• M8: 8,148,147 km (0.11 R)
• M9: 12,302,330 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 13.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.44 AU - 2.9 AU

Year: 3011 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,615,322 km

• M1: 173,234 km (0.048 R)
• M2: 629,358 km (0.118 R)
• M3: 1,157,588 km (0.109 R)
• M4: 1,886,878 km (0.119 R)
• M5: 2,925,835 km (0.111 R)
• M6: 3,583,916 km (0.092 R)
• M7: 4,228,533 km (0.098 R)
• M8: 5,327,180 km (0.069 R)
• M9: 6,578,267 km (0.114 R)
• M10: 7,130,433 km (0.083 R)
• M11: 7,713,565 km (0.026 R)
• M12: 9,969,950 km (0.119 R)
• M13: 13,639,137 km (0.116 R)
• M14: 16,349,402 km (0.092 R)
• M15: 18,364,335 km (0.1 R)
• M16: 19,153,464 km (0.039 R)
• M17: 20,995,164 km (0.077 R)
• M18: 22,264,352 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.8

Radius: 7.6

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.57 AU - 7.23 AU

Year: 11176 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,615,322 km

• M1: 102,624 km (0.116 R)
• M2: 697,126 km (0.039 R)
• M3: 1,325,288 km (0.053 R)
• M4: 1,599,800 km (0.111 R)
• M5: 2,284,659 km (0.072 R)
• M6: 4,820,791 km (0.068 R)
• M7: 5,274,671 km (0.04 R)
• M8: 5,935,894 km (0.033 R)
• M9: 6,419,394 km (0.066 R)
• M10: 7,090,939 km (0.084 R)
• M11: 8,388,850 km (0.083 R)
• M12: 9,686,163 km (0.102 R)
• M13: 11,447,079 km (0.104 R)
• M14: 12,672,884 km (0.11 R)
• M15: 14,048,437 km (0.107 R)
• M16: 14,374,411 km (0.077 R)
• M17: 16,799,691 km (0.032 R)
• M18: 18,070,824 km (0.077 R)
• M19: 19,890,832 km (0.114 R)
• M20: 21,312,311 km (0.098 R)
• M21: 21,916,986 km (0.084 R)
• M22: 25,399,923 km (0.111 R)
• M23: 27,678,149 km (0.106 R)
• M24: 31,846,544 km (0.102 R)
• M25: 34,727,949 km (0.088 R)
• M26: 41,535,699 km (0.062 R)
• M27: 50,999,560 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 11,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit