🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.9

Radius: 13

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.71 AU - 0.99 AU

Year: 532 Days

Day: 5.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,658,148 km

• M1: 161,865 km (0.089 R)
• M2: 605,273 km (0.081 R)
• M3: 1,039,107 km (0.069 R)
• M4: 1,987,408 km (0.065 R)
• M5: 2,393,117 km (0.069 R)
• M6: 2,929,874 km (0.101 R)
• M7: 3,891,938 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 8.4

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.75 AU - 1.03 AU

Year: 569 Days

Day: 11.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,658,148 km

• M1: 104,419 km (0.062 R)
• M2: 386,710 km (0.028 R)
• M3: 661,821 km (0.075 R)
• M4: 989,590 km (0.076 R)
• M5: 1,287,290 km (0.089 R)
• M6: 1,701,526 km (0.116 R)
• M7: 1,967,661 km (0.027 R)
• M8: 2,332,231 km (0.116 R)
• M9: 3,732,916 km (0.047 R)
• M10: 4,066,519 km (0.103 R)
• M11: 4,628,857 km (0.078 R)
• M12: 5,679,932 km (0.1 R)
• M13: 6,925,185 km (0.072 R)
• M14: 7,475,555 km (0.076 R)
• M15: 7,842,968 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 9.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.85 AU - 1.25 AU

Year: 730 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,658,148 km

• M1: 123,119 km (0.105 R)
• M2: 431,440 km (0.116 R)
• M3: 789,578 km (0.1 R)
• M4: 1,271,432 km (0.069 R)
• M5: 2,202,679 km (0.089 R)
• M6: 3,053,293 km (0.112 R)
• M7: 3,753,411 km (0.07 R)
• M8: 4,069,810 km (0.091 R)
• M9: 4,542,839 km (0.036 R)
• M10: 5,251,184 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.4

Radius: 12.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.96 AU - 1.34 AU

Year: 836 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,658,148 km

• M1: 154,983 km (0.04 R)
• M2: 629,358 km (0.113 R)
• M3: 1,196,035 km (0.102 R)
• M4: 1,615,807 km (0.098 R)
• M5: 2,248,456 km (0.072 R)
• M6: 2,693,659 km (0.111 R)
• M7: 3,130,186 km (0.03 R)
• M8: 4,991,632 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.1 AU - 3.14 AU

Year: 2876 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,658,148 km

• M1: 171,888 km (0.054 R)
• M2: 644,468 km (0.115 R)
• M3: 1,201,271 km (0.118 R)
• M4: 1,935,497 km (0.089 R)
• M5: 2,510,103 km (0.11 R)
• M6: 3,229,070 km (0.07 R)
• M7: 3,672,179 km (0.112 R)
• M8: 4,602,229 km (0.045 R)
• M9: 5,522,854 km (0.119 R)
• M10: 6,260,222 km (0.032 R)
• M11: 7,990,770 km (0.115 R)
• M12: 9,987,303 km (0.091 R)
• M13: 10,793,187 km (0.091 R)
• M14: 11,566,459 km (0.073 R)
• M15: 12,024,677 km (0.052 R)
• M16: 13,100,435 km (0.042 R)
• M17: 14,501,270 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.7

Radius: 5.6

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.88 AU - 10.82 AU

Year: 22584 Days

Day: 16.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,658,148 km

• M1: 69,713 km (0.105 R)
• M2: 373,247 km (0.068 R)
• M3: 594,352 km (0.1 R)
• M4: 1,039,406 km (0.098 R)
• M5: 1,243,906 km (0.072 R)
• M6: 1,585,438 km (0.106 R)
• M7: 1,804,749 km (0.101 R)
• M8: 2,411,368 km (0.114 R)
• M9: 3,465,584 km (0.049 R)
• M10: 3,926,645 km (0.07 R)
• M11: 4,693,932 km (0.115 R)
• M12: 5,748,897 km (0.081 R)
• M13: 8,722,603 km (0.109 R)
• M14: 11,437,804 km (0.091 R)
• M15: 13,053,461 km (0.091 R)
• M16: 13,325,281 km (0.031 R)
• M17: 13,880,438 km (0.072 R)
• M18: 14,235,135 km (0.048 R)
• M19: 15,036,830 km (0.079 R)
• M20: 16,255,903 km (0.113 R)
• M21: 17,212,581 km (0.062 R)
• M22: 22,273,029 km (0.094 R)
• M23: 27,792,592 km (0.086 R)
• M24: 32,020,676 km (0.069 R)
• M25: 49,177,607 km (0.072 R)
• M26: 51,002,402 km (0.069 R)
• M27: 55,493,929 km (0.084 R)
• M28: 58,385,057 km (0.108 R)
• M29: 60,242,165 km (0.093 R)
• M30: 63,294,709 km (0.089 R)
• M31: 64,073,666 km (0.062 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit