🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 11.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.88 AU

Year: 471 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,069,178 km

• M1: 139,874 km (0.115 R)
• M2: 509,082 km (0.094 R)
• M3: 949,498 km (0.079 R)
• M4: 1,401,134 km (0.039 R)
• M5: 1,860,250 km (0.085 R)
• M6: 2,418,998 km (0.086 R)
• M7: 2,789,402 km (0.064 R)
• M8: 3,646,448 km (0.098 R)
• M9: 4,247,532 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 14.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.12 AU - 1.14 AU

Year: 776 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,069,178 km

• M1: 184,604 km (0.113 R)
• M2: 742,005 km (0.084 R)
• M3: 1,221,915 km (0.117 R)
• M4: 2,845,202 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 11.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1 AU - 1.28 AU

Year: 786 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,069,178 km

• M1: 138,528 km (0.041 R)
• M2: 632,799 km (0.117 R)
• M3: 1,023,100 km (0.081 R)
• M4: 1,600,398 km (0.052 R)
• M5: 2,356,765 km (0.111 R)
• M6: 2,735,397 km (0.088 R)
• M7: 3,178,805 km (0.066 R)
• M8: 3,539,486 km (0.074 R)
• M9: 4,011,168 km (0.07 R)
• M10: 4,934,187 km (0.096 R)
• M11: 6,990,110 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.3

Radius: 10.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.63 AU - 3.55 AU

Year: 3507 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,069,178 km

• M1: 132,394 km (0.113 R)
• M2: 503,247 km (0.106 R)
• M3: 886,667 km (0.117 R)
• M4: 1,294,171 km (0.116 R)
• M5: 2,502,024 km (0.041 R)
• M6: 3,542,478 km (0.12 R)
• M7: 4,849,813 km (0.107 R)
• M8: 5,291,127 km (0.073 R)
• M9: 10,638,653 km (0.115 R)
• M10: 11,343,408 km (0.063 R)
• M11: 13,124,670 km (0.115 R)
• M12: 17,402,720 km (0.114 R)
• M13: 21,602,082 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.1

Radius: 14.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.43 AU - 3.95 AU

Year: 3679 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,069,178 km

• M1: 184,305 km (0.061 R)
• M2: 1,125,425 km (0.07 R)
• M3: 1,832,574 km (0.047 R)
• M4: 2,997,642 km (0.106 R)
• M5: 3,534,250 km (0.099 R)
• M6: 4,157,026 km (0.065 R)
• M7: 6,213,548 km (0.097 R)
• M8: 7,416,165 km (0.095 R)
• M9: 9,331,167 km (0.115 R)
• M10: 10,321,655 km (0.107 R)
• M11: 11,250,358 km (0.119 R)
• M12: 12,234,114 km (0.118 R)
• M13: 13,617,745 km (0.078 R)
• M14: 15,531,700 km (0.098 R)
• M15: 16,133,831 km (0.089 R)
• M16: 16,751,521 km (0.109 R)
• M17: 17,268,681 km (0.057 R)
• M18: 18,456,039 km (0.046 R)
• M19: 19,131,922 km (0.111 R)
• M20: 20,795,450 km (0.079 R)
• M21: 23,683,437 km (0.065 R)
• M22: 24,702,947 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.5

Radius: 7.7

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.78 AU - 10.02 AU

Year: 15719 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,069,178 km

• M1: 97,837 km (0.073 R)
• M2: 348,862 km (0.096 R)
• M3: 757,264 km (0.078 R)
• M4: 1,241,363 km (0.093 R)
• M5: 1,971,850 km (0.098 R)
• M6: 3,009,460 km (0.051 R)
• M7: 4,341,330 km (0.096 R)
• M8: 5,988,552 km (0.087 R)
• M9: 7,016,739 km (0.089 R)
• M10: 8,254,212 km (0.073 R)
• M11: 9,104,526 km (0.102 R)
• M12: 10,233,841 km (0.104 R)
• M13: 10,572,979 km (0.077 R)
• M14: 10,978,090 km (0.075 R)
• M15: 12,067,611 km (0.077 R)
• M16: 13,161,172 km (0.053 R)
• M17: 14,389,520 km (0.081 R)
• M18: 15,992,461 km (0.092 R)
• M19: 16,296,294 km (0.076 R)
• M20: 19,896,666 km (0.118 R)
• M21: 20,248,072 km (0.107 R)
• M22: 26,134,898 km (0.056 R)
• M23: 27,848,840 km (0.075 R)
• M24: 29,182,505 km (0.105 R)
• M25: 29,522,541 km (0.103 R)
• M26: 31,380,547 km (0.118 R)
• M27: 31,737,338 km (0.112 R)
• M28: 36,233,502 km (0.101 R)
• M29: 39,180,281 km (0.096 R)
• M30: 40,010,848 km (0.115 R)
• M31: 45,242,435 km (0.109 R)
• M32: 53,577,729 km (0.116 R)
• M33: 56,334,519 km (0.089 R)
• M34: 62,692,129 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit