🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.93 AU - 2.67 AU

Year: 1261 Days

Day: 18.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.03 AU - 2.97 AU

Year: 1430 Days

Day: 19.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 10.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.62 AU - 6.4 AU

Year: 4678 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,355,786 km

• M1: 128,205 km (0.026 R)
• M2: 470,784 km (0.097 R)
• M3: 799,301 km (0.075 R)
• M4: 1,167,462 km (0.112 R)
• M5: 1,780,813 km (0.113 R)
• M6: 2,123,841 km (0.079 R)
• M7: 2,528,354 km (0.108 R)
• M8: 3,827,611 km (0.072 R)
• M9: 4,280,593 km (0.056 R)
• M10: 4,716,073 km (0.117 R)
• M11: 5,180,873 km (0.097 R)
• M12: 5,766,848 km (0.063 R)
• M13: 9,213,583 km (0.112 R)
• M14: 9,810,628 km (0.115 R)
• M15: 10,342,748 km (0.076 R)
• M16: 12,055,045 km (0.066 R)
• M17: 13,729,195 km (0.089 R)
• M18: 14,908,774 km (0.068 R)
• M19: 17,468,843 km (0.08 R)
• M20: 18,250,940 km (0.101 R)
• M21: 19,815,285 km (0.104 R)
• M22: 22,137,643 km (0.071 R)
• M23: 22,899,096 km (0.099 R)
• M24: 24,635,927 km (0.083 R)
• M25: 24,960,854 km (0.119 R)
• M26: 26,289,432 km (0.093 R)
• M27: 28,192,317 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.7

Radius: 12.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.78 AU - 7.3 AU

Year: 6049 Days

Day: 10.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,355,786 km

• M1: 155,881 km (0.085 R)
• M2: 704,008 km (0.11 R)
• M3: 1,125,425 km (0.107 R)
• M4: 1,603,240 km (0.04 R)
• M5: 2,232,599 km (0.079 R)
• M6: 2,660,000 km (0.113 R)
• M7: 3,287,862 km (0.065 R)
• M8: 5,179,677 km (0.069 R)
• M9: 5,905,675 km (0.104 R)
• M10: 6,767,359 km (0.097 R)
• M11: 7,228,719 km (0.108 R)
• M12: 7,749,170 km (0.078 R)
• M13: 8,740,704 km (0.114 R)
• M14: 10,879,056 km (0.058 R)
• M15: 17,846,577 km (0.091 R)
• M16: 18,938,043 km (0.079 R)
• M17: 19,713,858 km (0.096 R)
• M18: 20,291,306 km (0.105 R)
• M19: 20,879,973 km (0.089 R)
• M20: 22,951,305 km (0.094 R)
• M21: 24,159,458 km (0.028 R)
• M22: 28,769,316 km (0.089 R)
• M23: 34,868,870 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 8.3

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.15 AU - 7.93 AU

Year: 6755 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,355,786 km

• M1: 103,372 km (0.092 R)
• M2: 384,167 km (0.092 R)
• M3: 718,967 km (0.065 R)
• M4: 2,659,252 km (0.118 R)
• M5: 3,056,883 km (0.066 R)
• M6: 4,492,873 km (0.073 R)
• M7: 4,855,348 km (0.055 R)
• M8: 7,006,267 km (0.107 R)
• M9: 8,455,870 km (0.106 R)
• M10: 9,053,364 km (0.119 R)
• M11: 9,955,290 km (0.115 R)
• M12: 10,915,708 km (0.114 R)
• M13: 12,148,394 km (0.073 R)
• M14: 14,285,998 km (0.102 R)
• M15: 16,271,012 km (0.109 R)
• M16: 16,860,877 km (0.047 R)
• M17: 17,875,450 km (0.111 R)
• M18: 18,433,001 km (0.112 R)
• M19: 19,002,071 km (0.08 R)
• M20: 19,436,503 km (0.106 R)
• M21: 20,250,166 km (0.103 R)
• M22: 21,396,086 km (0.077 R)
• M23: 23,400,997 km (0.098 R)
• M24: 28,153,122 km (0.117 R)
• M25: 29,967,445 km (0.116 R)
• M26: 30,556,113 km (0.109 R)
• M27: 31,453,700 km (0.041 R)
• M28: 34,787,788 km (0.047 R)
• M29: 35,547,296 km (0.092 R)
• M30: 38,120,679 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 10.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.81 AU - 14.65 AU

Year: 14529 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,355,786 km

• M1: 377,286 km (0.057 R)
• M2: 3,166,987 km (0.119 R)
• M3: 3,507,771 km (0.105 R)
• M4: 7,191,020 km (0.104 R)
• M5: 7,947,387 km (0.111 R)
• M6: 8,366,261 km (0.084 R)
• M7: 9,157,334 km (0.095 R)
• M8: 9,806,589 km (0.055 R)
• M9: 10,837,618 km (0.107 R)
• M10: 13,700,023 km (0.071 R)
• M11: 16,219,401 km (0.077 R)
• M12: 18,884,786 km (0.076 R)
• M13: 25,156,079 km (0.027 R)
• M14: 34,093,953 km (0.109 R)
• M15: 35,313,625 km (0.109 R)
• M16: 42,229,235 km (0.103 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 11,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit