🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.2

Radius: 14.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.57 AU - 0.89 AU

Year: 403 Days

Day: 14.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,196,877 km

• M1: 184,305 km (0.052 R)
• M2: 746,493 km (0.078 R)
• M3: 1,595,312 km (0.045 R)
• M4: 2,266,857 km (0.074 R)
• M5: 2,825,156 km (0.113 R)
• M6: 3,327,206 km (0.107 R)
• M7: 4,090,305 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851

Radius: 9.3

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.9 AU - 0.94 AU

Year: 570 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,196,877 km

• M1: 115,639 km (0.114 R)
• M2: 435,031 km (0.071 R)
• M3: 738,415 km (0.078 R)
• M4: 1,066,184 km (0.103 R)
• M5: 2,085,394 km (0.104 R)
• M6: 2,594,925 km (0.066 R)
• M7: 3,002,878 km (0.089 R)
• M8: 3,298,334 km (0.095 R)
• M9: 3,613,387 km (0.076 R)
• M10: 3,977,359 km (0.037 R)
• M11: 4,730,285 km (0.069 R)
• M12: 5,184,165 km (0.11 R)
• M13: 5,834,317 km (0.118 R)
• M14: 6,159,692 km (0.038 R)
• M15: 6,784,413 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 14

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.02 AU - 1.31 AU

Year: 807 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,196,877 km

• M1: 174,132 km (0.102 R)
• M2: 769,531 km (0.09 R)
• M3: 1,619,098 km (0.111 R)
• M4: 2,121,148 km (0.119 R)
• M5: 2,648,630 km (0.109 R)
• M6: 3,224,881 km (0.117 R)
• M7: 3,928,590 km (0.109 R)
• M8: 4,373,195 km (0.101 R)
• M9: 5,457,031 km (0.114 R)
• M10: 5,993,339 km (0.073 R)
• M11: 7,016,739 km (0.078 R)
• M12: 7,628,893 km (0.102 R)
• M13: 8,400,369 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 14.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.66 AU - 2.38 AU

Year: 1854 Days

Day: 9.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,196,877 km

• M1: 180,415 km (0.086 R)
• M2: 1,301,202 km (0.064 R)
• M3: 1,893,909 km (0.077 R)
• M4: 2,652,221 km (0.038 R)
• M5: 3,234,007 km (0.102 R)
• M6: 3,865,160 km (0.112 R)
• M7: 4,538,051 km (0.117 R)
• M8: 6,047,644 km (0.119 R)
• M9: 6,644,689 km (0.101 R)
• M10: 7,118,166 km (0.119 R)
• M11: 7,614,232 km (0.104 R)
• M12: 8,103,866 km (0.105 R)
• M13: 10,242,966 km (0.089 R)
• M14: 13,386,765 km (0.116 R)
• M15: 13,974,236 km (0.108 R)
• M16: 14,843,400 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 9.9

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.21 AU - 3.61 AU

Year: 4066 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,196,877 km

• M1: 125,064 km (0.11 R)
• M2: 487,689 km (0.097 R)
• M3: 1,112,410 km (0.086 R)
• M4: 1,926,372 km (0.114 R)
• M5: 3,790,660 km (0.101 R)
• M6: 5,211,391 km (0.106 R)
• M7: 5,630,565 km (0.095 R)
• M8: 6,348,036 km (0.104 R)
• M9: 6,696,749 km (0.082 R)
• M10: 7,432,621 km (0.11 R)
• M11: 8,221,600 km (0.113 R)
• M12: 9,104,975 km (0.109 R)
• M13: 10,307,592 km (0.106 R)
• M14: 14,768,152 km (0.108 R)
• M15: 15,609,491 km (0.083 R)
• M16: 18,009,639 km (0.101 R)
• M17: 18,710,654 km (0.1 R)
• M18: 21,132,195 km (0.119 R)
• M19: 22,710,902 km (0.03 R)
• M20: 24,366,651 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 5

Gravity: 34.94 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.65 AU - 9.85 AU

Year: 16712 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 73,196,877 km

• M1: 69,713 km (0.097 R)
• M2: 226,641 km (0.037 R)
• M3: 495,917 km (0.108 R)
• M4: 2,348,088 km (0.057 R)
• M5: 2,503,820 km (0.045 R)
• M6: 3,039,380 km (0.09 R)
• M7: 4,043,630 km (0.082 R)
• M8: 4,334,000 km (0.1 R)
• M9: 4,707,845 km (0.063 R)
• M10: 5,597,504 km (0.079 R)
• M11: 6,249,750 km (0.086 R)
• M12: 6,420,441 km (0.102 R)
• M13: 7,462,989 km (0.074 R)
• M14: 7,801,529 km (0.082 R)
• M15: 8,302,831 km (0.096 R)
• M16: 8,613,845 km (0.051 R)
• M17: 9,204,009 km (0.061 R)
• M18: 10,827,445 km (0.085 R)
• M19: 13,043,887 km (0.061 R)
• M20: 13,252,875 km (0.114 R)
• M21: 13,821,198 km (0.048 R)
• M22: 16,991,027 km (0.097 R)
• M23: 17,746,496 km (0.072 R)
• M24: 18,436,442 km (0.096 R)
• M25: 19,414,363 km (0.083 R)
• M26: 20,054,193 km (0.06 R)
• M27: 21,279,848 km (0.112 R)
• M28: 25,362,973 km (0.085 R)
• M29: 30,915,896 km (0.101 R)
• M30: 32,548,308 km (0.073 R)
• M31: 41,879,625 km (0.11 R)
• M32: 43,564,396 km (0.097 R)
• M33: 48,055,773 km (0.097 R)
• M34: 49,056,732 km (0.09 R)
• M35: 52,318,115 km (0.117 R)
• M36: 53,377,418 km (0.032 R)
• M37: 56,825,798 km (0.111 R)
• M38: 57,570,197 km (0.087 R)
• M39: 59,842,439 km (0.112 R)
• M40: 65,375,616 km (0.097 R)
• M41: 73,196,892 km (0.051 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit