🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 11.1

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.77 AU - 0.79 AU

Year: 476 Days

Day: 11.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,881,111 km

• M1: 138,079 km (0.12 R)
• M2: 487,539 km (0.071 R)
• M3: 864,376 km (0.047 R)
• M4: 1,426,416 km (0.113 R)
• M5: 1,822,102 km (0.113 R)
• M6: 2,213,600 km (0.098 R)
• M7: 2,594,027 km (0.085 R)
• M8: 3,430,130 km (0.082 R)
• M9: 4,493,172 km (0.119 R)
• M10: 4,972,334 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 11.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.3 AU - 1.32 AU

Year: 1035 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,881,111 km

• M1: 144,212 km (0.106 R)
• M2: 653,892 km (0.115 R)
• M3: 1,569,282 km (0.089 R)
• M4: 2,162,587 km (0.117 R)
• M5: 3,017,987 km (0.072 R)
• M6: 3,929,038 km (0.082 R)
• M7: 4,968,893 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.7

Radius: 12.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.45 AU - 1.57 AU

Year: 1281 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,881,111 km

• M1: 151,991 km (0.12 R)
• M2: 597,195 km (0.076 R)
• M3: 1,119,740 km (0.078 R)
• M4: 1,736,233 km (0.09 R)
• M5: 2,832,636 km (0.12 R)
• M6: 3,412,028 km (0.059 R)
• M7: 3,943,699 km (0.032 R)
• M8: 4,445,450 km (0.056 R)
• M9: 5,558,159 km (0.053 R)
• M10: 6,064,698 km (0.077 R)
• M11: 6,513,940 km (0.076 R)
• M12: 7,170,824 km (0.109 R)
• M13: 7,896,374 km (0.12 R)
• M14: 8,354,742 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 14.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.16 AU - 1.88 AU

Year: 1294 Days

Day: 7.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,881,111 km

• M1: 185,352 km (0.072 R)
• M2: 682,765 km (0.101 R)
• M3: 2,011,343 km (0.12 R)
• M4: 2,743,625 km (0.106 R)
• M5: 3,246,423 km (0.119 R)
• M6: 3,993,216 km (0.104 R)
• M7: 4,626,613 km (0.071 R)
• M8: 5,421,427 km (0.103 R)
• M9: 8,108,504 km (0.117 R)
• M10: 8,621,774 km (0.062 R)
• M11: 9,516,220 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 10.7

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.52 AU - 2.18 AU

Year: 1737 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,881,111 km

• M1: 133,142 km (0.065 R)
• M2: 593,754 km (0.072 R)
• M3: 1,227,899 km (0.116 R)
• M4: 1,801,757 km (0.073 R)
• M5: 2,363,048 km (0.047 R)
• M6: 3,162,349 km (0.095 R)
• M7: 3,712,271 km (0.084 R)
• M8: 4,286,129 km (0.069 R)
• M9: 4,897,086 km (0.039 R)
• M10: 5,449,551 km (0.073 R)
• M11: 5,994,237 km (0.099 R)
• M12: 6,653,365 km (0.074 R)
• M13: 7,220,491 km (0.084 R)
• M14: 9,052,167 km (0.103 R)
• M15: 9,512,779 km (0.118 R)
• M16: 12,213,021 km (0.105 R)
• M17: 12,735,267 km (0.115 R)
• M18: 13,230,436 km (0.105 R)
• M19: 14,084,340 km (0.092 R)
• M20: 14,793,584 km (0.102 R)
• M21: 15,157,107 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 14.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.51 AU - 2.21 AU

Year: 1751 Days

Day: 11.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,881,111 km

• M1: 176,525 km (0.09 R)
• M2: 623,374 km (0.114 R)
• M3: 1,390,063 km (0.088 R)
• M4: 1,845,290 km (0.101 R)
• M5: 2,300,067 km (0.086 R)
• M6: 3,168,333 km (0.109 R)
• M7: 4,194,425 km (0.095 R)
• M8: 5,190,149 km (0.106 R)
• M9: 5,959,830 km (0.048 R)
• M10: 6,780,374 km (0.057 R)
• M11: 7,937,513 km (0.088 R)
• M12: 8,675,629 km (0.117 R)
• M13: 9,163,618 km (0.116 R)
• M14: 9,730,893 km (0.114 R)
• M15: 10,512,691 km (0.089 R)
• M16: 11,471,913 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.7

Radius: 11.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.09 AU - 2.09 AU

Year: 2086 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,881,111 km

• M1: 149,149 km (0.046 R)
• M2: 561,142 km (0.118 R)
• M3: 953,088 km (0.064 R)
• M4: 1,404,275 km (0.112 R)
• M5: 1,818,661 km (0.076 R)
• M6: 5,212,289 km (0.087 R)
• M7: 5,606,479 km (0.063 R)
• M8: 7,109,190 km (0.097 R)
• M9: 9,922,228 km (0.092 R)
• M10: 11,061,566 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779

Radius: 7

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.86 AU - 6.94 AU

Year: 11176 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,881,111 km

• M1: 87,216 km (0.059 R)
• M2: 830,717 km (0.09 R)
• M3: 1,065,586 km (0.106 R)
• M4: 1,332,319 km (0.102 R)
• M5: 1,583,493 km (0.059 R)
• M6: 2,145,832 km (0.111 R)
• M7: 2,617,813 km (0.078 R)
• M8: 3,062,268 km (0.073 R)
• M9: 3,504,181 km (0.068 R)
• M10: 3,767,473 km (0.071 R)
• M11: 3,987,681 km (0.106 R)
• M12: 4,891,701 km (0.096 R)
• M13: 5,154,245 km (0.109 R)
• M14: 5,601,094 km (0.105 R)
• M15: 7,056,232 km (0.096 R)
• M16: 10,207,512 km (0.087 R)
• M17: 10,528,698 km (0.094 R)
• M18: 11,999,544 km (0.077 R)
• M19: 14,521,914 km (0.049 R)
• M20: 19,667,782 km (0.105 R)
• M21: 20,586,761 km (0.099 R)
• M22: 24,550,207 km (0.094 R)
• M23: 26,408,662 km (0.049 R)
• M24: 27,320,910 km (0.11 R)
• M25: 29,638,929 km (0.09 R)
• M26: 33,357,034 km (0.085 R)
• M27: 33,709,786 km (0.088 R)
• M28: 44,910,328 km (0.105 R)
• M29: 45,628,547 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 18,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit