🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 13.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.72 AU - 0.72 AU

Year: 407 Days

Day: 7.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,778,215 km

• M1: 163,361 km (0.102 R)
• M2: 789,578 km (0.105 R)
• M3: 1,241,214 km (0.091 R)
• M4: 2,433,209 km (0.056 R)
• M5: 2,944,535 km (0.046 R)
• M6: 3,802,179 km (0.11 R)
• M7: 4,325,174 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.2

Radius: 12.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.08 AU - 1.62 AU

Year: 1046 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,778,215 km

• M1: 155,432 km (0.101 R)
• M2: 651,200 km (0.086 R)
• M3: 1,577,210 km (0.116 R)
• M4: 2,565,304 km (0.079 R)
• M5: 3,237,597 km (0.113 R)
• M6: 4,269,374 km (0.075 R)
• M7: 5,568,930 km (0.097 R)
• M8: 6,430,913 km (0.094 R)
• M9: 6,859,661 km (0.053 R)
• M10: 9,241,708 km (0.088 R)
• M11: 9,789,086 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 10.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.05 AU - 1.65 AU

Year: 1046 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,778,215 km

• M1: 135,536 km (0.099 R)
• M2: 474,973 km (0.088 R)
• M3: 968,646 km (0.059 R)
• M4: 1,529,189 km (0.1 R)
• M5: 2,148,225 km (0.086 R)
• M6: 3,194,513 km (0.116 R)
• M7: 3,536,194 km (0.045 R)
• M8: 4,046,323 km (0.092 R)
• M9: 4,482,401 km (0.088 R)
• M10: 5,099,791 km (0.099 R)
• M11: 5,982,269 km (0.078 R)
• M12: 6,777,532 km (0.054 R)
• M13: 7,843,566 km (0.1 R)
• M14: 8,713,777 km (0.049 R)
• M15: 10,275,279 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 14.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.37 AU - 1.43 AU

Year: 1105 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,778,215 km

• M1: 183,257 km (0.111 R)
• M2: 678,726 km (0.113 R)
• M3: 1,214,286 km (0.063 R)
• M4: 2,010,446 km (0.113 R)
• M5: 2,470,758 km (0.067 R)
• M6: 2,949,920 km (0.067 R)
• M7: 4,456,521 km (0.108 R)
• M8: 5,059,250 km (0.079 R)
• M9: 5,551,727 km (0.049 R)
• M10: 6,474,596 km (0.08 R)
• M11: 7,056,681 km (0.111 R)
• M12: 8,380,622 km (0.105 R)
• M13: 9,016,563 km (0.083 R)
• M14: 9,924,622 km (0.071 R)
• M15: 10,479,480 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 8.2

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.74 AU - 2.84 AU

Year: 3108 Days

Day: 6.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,778,215 km

• M1: 102,475 km (0.114 R)
• M2: 367,712 km (0.105 R)
• M3: 671,694 km (0.081 R)
• M4: 1,106,127 km (0.072 R)
• M5: 1,513,482 km (0.085 R)
• M6: 1,894,657 km (0.082 R)
• M7: 2,662,094 km (0.072 R)
• M8: 3,698,658 km (0.1 R)
• M9: 5,006,742 km (0.055 R)
• M10: 5,370,863 km (0.077 R)
• M11: 5,778,517 km (0.087 R)
• M12: 6,206,816 km (0.075 R)
• M13: 9,271,178 km (0.053 R)
• M14: 9,709,500 km (0.101 R)
• M15: 10,276,626 km (0.103 R)
• M16: 11,560,475 km (0.117 R)
• M17: 12,025,574 km (0.096 R)
• M18: 13,964,064 km (0.079 R)
• M19: 14,491,695 km (0.066 R)
• M20: 15,082,308 km (0.119 R)
• M21: 15,843,013 km (0.105 R)
• M22: 17,661,674 km (0.103 R)
• M23: 18,910,068 km (0.102 R)
• M24: 20,155,620 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 6.9

Gravity: 19.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.66 AU - 7.6 AU

Year: 11384 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,778,215 km

• M1: 85,869 km (0.068 R)
• M2: 323,281 km (0.075 R)
• M3: 549,623 km (0.098 R)
• M4: 1,116,748 km (0.083 R)
• M5: 1,574,368 km (0.08 R)
• M6: 1,898,098 km (0.031 R)
• M7: 2,385,039 km (0.117 R)
• M8: 2,679,896 km (0.061 R)
• M9: 3,852,744 km (0.083 R)
• M10: 5,369,516 km (0.054 R)
• M11: 6,260,820 km (0.099 R)
• M12: 6,907,532 km (0.034 R)
• M13: 7,161,250 km (0.083 R)
• M14: 12,736,015 km (0.075 R)
• M15: 13,053,761 km (0.115 R)
• M16: 13,442,117 km (0.039 R)
• M17: 14,106,481 km (0.089 R)
• M18: 16,379,920 km (0.117 R)
• M19: 16,680,312 km (0.067 R)
• M20: 22,828,336 km (0.103 R)
• M21: 23,392,170 km (0.108 R)
• M22: 26,764,106 km (0.102 R)
• M23: 28,027,610 km (0.064 R)
• M24: 28,457,405 km (0.052 R)
• M25: 33,360,176 km (0.106 R)
• M26: 34,208,096 km (0.08 R)
• M27: 35,569,587 km (0.04 R)
• M28: 36,454,458 km (0.1 R)
• M29: 51,868,574 km (0.078 R)
• M30: 53,005,966 km (0.111 R)
• M31: 55,837,405 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.4

Radius: 4.6

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.89 AU - 10.03 AU

Year: 20961 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,778,215 km

• M1: 57,146 km (0.072 R)
• M2: 271,071 km (0.032 R)
• M3: 460,462 km (0.059 R)
• M4: 1,669,662 km (0.09 R)
• M5: 2,706,525 km (0.11 R)
• M6: 3,308,357 km (0.114 R)
• M7: 6,620,753 km (0.089 R)
• M8: 7,169,777 km (0.081 R)
• M9: 14,221,671 km (0.081 R)
• M10: 15,933,968 km (0.11 R)
• M11: 44,765,218 km (0.118 R)
• M12: 48,716,696 km (0.114 R)
• M13: 51,747,100 km (0.047 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 10,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit