🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 9.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 14 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,385,394 km

• M1: 123,119 km (0.074 R)
• M2: 492,327 km (0.089 R)
• M3: 894,595 km (0.116 R)
• M4: 1,203,515 km (0.083 R)
• M5: 1,579,754 km (0.08 R)
• M6: 2,105,141 km (0.107 R)
• M7: 2,857,768 km (0.061 R)
• M8: 3,286,815 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.9

Radius: 13.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 10.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,385,394 km

• M1: 171,589 km (0.112 R)
• M2: 685,009 km (0.069 R)
• M3: 1,153,848 km (0.083 R)
• M4: 1,830,928 km (0.088 R)
• M5: 2,314,129 km (0.059 R)
• M6: 2,763,970 km (0.087 R)
• M7: 3,686,241 km (0.091 R)
• M8: 4,833,657 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 13.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.68 AU - 2.58 AU

Year: 2108 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,385,394 km

• M1: 167,849 km (0.066 R)
• M2: 611,556 km (0.097 R)
• M3: 2,229,307 km (0.11 R)
• M4: 2,690,966 km (0.098 R)
• M5: 3,244,927 km (0.036 R)
• M6: 3,686,690 km (0.111 R)
• M7: 4,693,184 km (0.079 R)
• M8: 5,261,357 km (0.076 R)
• M9: 6,333,076 km (0.066 R)
• M10: 6,838,268 km (0.097 R)
• M11: 8,517,953 km (0.1 R)
• M12: 9,631,859 km (0.109 R)
• M13: 10,744,119 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.2

Radius: 12.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.29 AU - 3.65 AU

Year: 3472 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,385,394 km

• M1: 157,975 km (0.034 R)
• M2: 802,593 km (0.113 R)
• M3: 1,683,126 km (0.111 R)
• M4: 2,362,749 km (0.111 R)
• M5: 4,343,125 km (0.101 R)
• M6: 10,343,795 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 9.2

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.83 AU - 3.91 AU

Year: 4196 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,385,394 km

• M1: 114,442 km (0.074 R)
• M2: 527,632 km (0.101 R)
• M3: 1,011,132 km (0.108 R)
• M4: 1,373,308 km (0.071 R)
• M5: 1,961,826 km (0.115 R)
• M6: 2,677,203 km (0.082 R)
• M7: 3,232,062 km (0.116 R)
• M8: 3,717,507 km (0.113 R)
• M9: 4,618,086 km (0.111 R)
• M10: 5,657,642 km (0.051 R)
• M11: 6,305,401 km (0.116 R)
• M12: 7,032,895 km (0.049 R)
• M13: 7,449,824 km (0.104 R)
• M14: 8,123,464 km (0.062 R)
• M15: 10,553,681 km (0.103 R)
• M16: 16,402,359 km (0.069 R)
• M17: 17,774,920 km (0.1 R)
• M18: 20,230,120 km (0.038 R)
• M19: 20,616,980 km (0.068 R)
• M20: 21,605,672 km (0.097 R)
• M21: 23,963,335 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 10.8

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.16 AU - 3.7 AU

Year: 4309 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,385,394 km

• M1: 134,339 km (0.116 R)
• M2: 809,175 km (0.063 R)
• M3: 1,256,473 km (0.11 R)
• M4: 1,920,687 km (0.086 R)
• M5: 2,566,202 km (0.075 R)
• M6: 2,986,273 km (0.104 R)
• M7: 3,575,988 km (0.101 R)
• M8: 5,820,554 km (0.079 R)
• M9: 7,070,893 km (0.063 R)
• M10: 8,416,825 km (0.047 R)
• M11: 8,992,777 km (0.089 R)
• M12: 9,350,765 km (0.068 R)
• M13: 10,137,949 km (0.089 R)
• M14: 11,149,380 km (0.108 R)
• M15: 13,734,431 km (0.113 R)
• M16: 14,156,746 km (0.105 R)
• M17: 15,817,731 km (0.117 R)
• M18: 16,340,575 km (0.077 R)
• M19: 18,293,127 km (0.072 R)
• M20: 20,125,102 km (0.04 R)
• M21: 20,946,544 km (0.072 R)
• M22: 22,076,307 km (0.064 R)
• M23: 23,097,911 km (0.087 R)
• M24: 23,545,209 km (0.057 R)
• M25: 25,869,212 km (0.079 R)
• M26: 26,840,252 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 14.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.37 AU - 5.17 AU

Year: 7066 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,385,394 km

• M1: 181,761 km (0.083 R)
• M2: 688,300 km (0.111 R)
• M3: 1,143,676 km (0.025 R)
• M4: 1,602,492 km (0.042 R)
• M5: 2,114,566 km (0.091 R)
• M6: 3,083,362 km (0.094 R)
• M7: 3,606,057 km (0.115 R)
• M8: 4,884,969 km (0.093 R)
• M9: 6,135,906 km (0.098 R)
• M10: 7,806,166 km (0.089 R)
• M11: 8,286,376 km (0.095 R)
• M12: 9,023,893 km (0.092 R)
• M13: 9,847,130 km (0.119 R)
• M14: 10,855,420 km (0.097 R)
• M15: 12,570,410 km (0.115 R)
• M16: 13,970,646 km (0.038 R)
• M17: 15,016,784 km (0.101 R)
• M18: 18,275,923 km (0.111 R)
• M19: 18,730,551 km (0.104 R)
• M20: 20,277,393 km (0.115 R)
• M21: 20,764,633 km (0.076 R)
• M22: 22,053,718 km (0.056 R)
• M23: 25,509,279 km (0.119 R)
• M24: 26,406,119 km (0.073 R)
• M25: 28,522,180 km (0.097 R)
• M26: 30,294,915 km (0.05 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: 400 - 19,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit