🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.45 AU - 0.71 AU

Year: 170 Days

Day: 12.9 Hours

Environment

Temp: 166 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.74 AU - 0.9 AU

Year: 286 Days

Day: 41.9 Hours

Environment

Temp: 38 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.4 AU - 1.56 AU

Year: 693 Days

Day: 19 Hours

Environment

Temp: -53 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.85 AU - 2.61 AU

Year: 1282 Days

Day: 12.6 Hours

Environment

Temp: -91 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.38 AU - 2.94 AU

Year: 1670 Days

Day: 39.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 77.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.6

Radius: 9.4

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.94 AU - 4.16 AU

Year: 3138 Days

Day: 15 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,931,369 km

• M1: 118,631 km (0.092 R)
• M2: 413,638 km (0.12 R)
• M3: 775,366 km (0.094 R)
• M4: 1,476,681 km (0.083 R)
• M5: 1,870,123 km (0.12 R)
• M6: 2,309,342 km (0.08 R)
• M7: 2,968,471 km (0.091 R)
• M8: 3,350,095 km (0.096 R)
• M9: 5,320,897 km (0.095 R)
• M10: 5,796,917 km (0.064 R)
• M11: 6,985,024 km (0.062 R)
• M12: 7,450,273 km (0.108 R)
• M13: 8,616,389 km (0.107 R)
• M14: 9,932,102 km (0.102 R)
• M15: 10,926,180 km (0.075 R)
• M16: 11,732,063 km (0.052 R)
• M17: 12,390,144 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 13

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.14 AU - 11.04 AU

Year: 11434 Days

Day: 13.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,931,369 km

• M1: 162,762 km (0.068 R)
• M2: 638,633 km (0.096 R)
• M3: 2,712,509 km (0.055 R)
• M4: 3,315,089 km (0.1 R)
• M5: 3,756,253 km (0.12 R)
• M6: 5,497,123 km (0.038 R)
• M7: 6,119,151 km (0.105 R)
• M8: 7,636,373 km (0.101 R)
• M9: 8,650,198 km (0.104 R)
• M10: 10,228,455 km (0.084 R)
• M11: 10,776,432 km (0.06 R)
• M12: 11,635,124 km (0.049 R)
• M13: 12,232,618 km (0.102 R)
• M14: 14,081,797 km (0.084 R)
• M15: 16,929,243 km (0.089 R)
• M16: 18,407,868 km (0.082 R)
• M17: 21,710,241 km (0.064 R)
• M18: 26,090,467 km (0.057 R)
• M19: 28,060,222 km (0.109 R)
• M20: 31,945,279 km (0.076 R)
• M21: 34,562,942 km (0.074 R)
• M22: 40,901,255 km (0.104 R)
• M23: 41,312,798 km (0.084 R)
• M24: 43,697,089 km (0.118 R)
• M25: 51,558,308 km (0.115 R)
• M26: 55,989,546 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.2

Radius: 4.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 15.1 AU - 15.56 AU

Year: 23109 Days

Day: 19.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,931,369 km

• M1: 60,138 km (0.062 R)
• M2: 211,831 km (0.063 R)
• M3: 728,691 km (0.111 R)
• M4: 1,176,438 km (0.088 R)
• M5: 2,364,694 km (0.12 R)
• M6: 3,055,686 km (0.112 R)
• M7: 4,749,284 km (0.095 R)
• M8: 4,928,951 km (0.046 R)
• M9: 8,571,509 km (0.052 R)
• M10: 9,428,555 km (0.074 R)
• M11: 11,912,478 km (0.093 R)
• M12: 12,534,506 km (0.06 R)
• M13: 13,791,129 km (0.086 R)
• M14: 17,265,389 km (0.104 R)
• M15: 17,447,001 km (0.059 R)
• M16: 20,663,355 km (0.042 R)
• M17: 22,124,627 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.1

Radius: 7.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 16.47 AU - 19.77 AU

Year: 29697 Days

Day: 19.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,931,369 km

• M1: 96,042 km (0.09 R)
• M2: 339,737 km (0.041 R)
• M3: 834,307 km (0.081 R)
• M4: 1,412,503 km (0.083 R)
• M5: 4,209,834 km (0.102 R)
• M6: 5,599,448 km (0.058 R)
• M7: 6,110,475 km (0.082 R)
• M8: 6,957,049 km (0.114 R)
• M9: 10,538,721 km (0.057 R)
• M10: 10,953,257 km (0.084 R)
• M11: 13,259,906 km (0.09 R)
• M12: 14,599,256 km (0.079 R)
• M13: 22,281,107 km (0.032 R)
• M14: 24,270,011 km (0.099 R)
• M15: 31,548,097 km (0.109 R)
• M16: 32,285,315 km (0.114 R)
• M17: 39,022,006 km (0.12 R)
• M18: 42,344,874 km (0.051 R)
• M19: 50,709,789 km (0.116 R)
• M20: 51,721,070 km (0.069 R)
• M21: 66,116,125 km (0.085 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: 541 - 17,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit