🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 14.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.67 AU - 0.83 AU

Year: 413 Days

Day: 12 Hours

Environment

Temp: -143 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,345,300 km

• M1: 176,825 km (0.065 R)
• M2: 623,374 km (0.096 R)
• M3: 1,351,766 km (0.094 R)
• M4: 2,168,870 km (0.068 R)
• M5: 2,706,225 km (0.092 R)
• M6: 3,158,609 km (0.076 R)
• M7: 3,802,628 km (0.105 R)
• M8: 4,289,121 km (0.071 R)
• M9: 4,924,912 km (0.032 R)
• M10: 5,589,276 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 14.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.97 AU - 1.25 AU

Year: 744 Days

Day: 5.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,345,300 km

• M1: 175,329 km (0.082 R)
• M2: 728,093 km (0.039 R)
• M3: 2,076,867 km (0.098 R)
• M4: 2,719,540 km (0.049 R)
• M5: 3,875,034 km (0.075 R)
• M6: 5,661,083 km (0.116 R)
• M7: 6,134,261 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 14.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.35 AU - 4.75 AU

Year: 5182 Days

Day: 14.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,345,300 km

• M1: 185,501 km (0.091 R)
• M2: 702,212 km (0.068 R)
• M3: 1,190,649 km (0.069 R)
• M4: 2,624,695 km (0.081 R)
• M5: 3,464,088 km (0.117 R)
• M6: 4,147,451 km (0.103 R)
• M7: 5,114,901 km (0.099 R)
• M8: 6,515,885 km (0.091 R)
• M9: 8,297,147 km (0.104 R)
• M10: 9,042,742 km (0.087 R)
• M11: 9,910,261 km (0.101 R)
• M12: 10,505,510 km (0.045 R)
• M13: 11,124,546 km (0.12 R)
• M14: 12,526,877 km (0.074 R)
• M15: 13,750,737 km (0.091 R)
• M16: 14,442,029 km (0.081 R)
• M17: 15,628,041 km (0.058 R)
• M18: 18,488,801 km (0.092 R)
• M19: 19,392,821 km (0.113 R)
• M20: 21,748,688 km (0.083 R)
• M21: 22,552,328 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.8

Radius: 14.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.73 AU - 4.83 AU

Year: 5630 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,345,300 km

• M1: 176,675 km (0.115 R)
• M2: 630,854 km (0.062 R)
• M3: 1,264,700 km (0.082 R)
• M4: 1,792,631 km (0.1 R)
• M5: 2,299,319 km (0.118 R)
• M6: 2,763,222 km (0.088 R)
• M7: 3,671,730 km (0.118 R)
• M8: 4,796,407 km (0.05 R)
• M9: 8,475,467 km (0.073 R)
• M10: 9,438,279 km (0.115 R)
• M11: 10,558,618 km (0.117 R)
• M12: 11,308,402 km (0.094 R)
• M13: 12,379,074 km (0.085 R)
• M14: 13,162,967 km (0.109 R)
• M15: 14,136,700 km (0.053 R)
• M16: 14,722,076 km (0.115 R)
• M17: 15,546,360 km (0.101 R)
• M18: 16,928,944 km (0.076 R)
• M19: 18,266,947 km (0.076 R)
• M20: 19,154,511 km (0.085 R)
• M21: 19,674,364 km (0.115 R)
• M22: 20,606,957 km (0.099 R)
• M23: 21,708,745 km (0.074 R)
• M24: 22,345,434 km (0.111 R)
• M25: 24,941,107 km (0.045 R)
• M26: 25,405,458 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 14

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.21 AU - 4.51 AU

Year: 5788 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,345,300 km

• M1: 178,171 km (0.104 R)
• M2: 796,908 km (0.093 R)
• M3: 1,574,817 km (0.088 R)
• M4: 2,614,821 km (0.028 R)
• M5: 3,082,614 km (0.05 R)
• M6: 5,377,595 km (0.089 R)
• M7: 7,999,148 km (0.101 R)
• M8: 10,692,059 km (0.059 R)
• M9: 13,995,030 km (0.104 R)
• M10: 19,362,752 km (0.081 R)
• M11: 21,660,276 km (0.083 R)
• M12: 22,465,112 km (0.098 R)
• M13: 22,987,508 km (0.1 R)
• M14: 23,671,021 km (0.109 R)
• M15: 25,722,307 km (0.115 R)
• M16: 26,958,284 km (0.118 R)
• M17: 27,548,448 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 13.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.1 AU - 6.92 AU

Year: 9368 Days

Day: 7.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,345,300 km

• M1: 173,085 km (0.111 R)
• M2: 607,667 km (0.071 R)
• M3: 1,101,340 km (0.062 R)
• M4: 1,663,977 km (0.096 R)
• M5: 2,464,924 km (0.086 R)
• M6: 3,304,168 km (0.085 R)
• M7: 3,903,158 km (0.088 R)
• M8: 4,937,627 km (0.095 R)
• M9: 5,664,972 km (0.113 R)
• M10: 6,240,774 km (0.113 R)
• M11: 7,404,047 km (0.116 R)
• M12: 8,320,035 km (0.108 R)
• M13: 9,351,512 km (0.082 R)
• M14: 11,382,902 km (0.086 R)
• M15: 12,452,078 km (0.114 R)
• M16: 15,533,495 km (0.113 R)
• M17: 17,157,230 km (0.103 R)
• M18: 18,300,906 km (0.102 R)
• M19: 19,158,102 km (0.094 R)
• M20: 19,698,748 km (0.076 R)
• M21: 20,319,280 km (0.107 R)
• M22: 21,890,806 km (0.089 R)
• M23: 22,706,414 km (0.044 R)
• M24: 23,696,303 km (0.08 R)
• M25: 28,553,596 km (0.036 R)
• M26: 29,437,869 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.5

Radius: 4.1

Gravity: 30.9 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.53 AU - 7.93 AU

Year: 12361 Days

Day: 23.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,345,300 km

• M1: 51,013 km (0.116 R)
• M2: 344,374 km (0.078 R)
• M3: 763,847 km (0.096 R)
• M4: 1,063,042 km (0.112 R)
• M5: 1,355,357 km (0.035 R)
• M6: 1,593,217 km (0.107 R)
• M7: 2,537,030 km (0.118 R)
• M8: 2,988,666 km (0.089 R)
• M9: 3,269,761 km (0.084 R)
• M10: 3,542,777 km (0.039 R)
• M11: 3,697,910 km (0.078 R)
• M12: 5,860,048 km (0.052 R)
• M13: 8,836,297 km (0.082 R)
• M14: 12,507,579 km (0.052 R)
• M15: 13,421,622 km (0.037 R)
• M16: 14,510,395 km (0.081 R)
• M17: 15,656,764 km (0.107 R)
• M18: 17,228,140 km (0.109 R)
• M19: 21,696,030 km (0.116 R)
• M20: 25,036,849 km (0.111 R)
• M21: 29,754,268 km (0.08 R)
• M22: 37,453,772 km (0.061 R)
• M23: 41,958,164 km (0.028 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 11,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit