🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 11.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.04 AU - 1.64 AU

Year: 1002 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,677,631 km

• M1: 144,212 km (0.048 R)
• M2: 570,417 km (0.086 R)
• M3: 1,435,392 km (0.082 R)
• M4: 1,977,534 km (0.067 R)
• M5: 2,439,343 km (0.106 R)
• M6: 2,842,060 km (0.097 R)
• M7: 3,830,902 km (0.081 R)
• M8: 4,847,121 km (0.081 R)
• M9: 5,991,395 km (0.099 R)
• M10: 6,501,075 km (0.115 R)
• M11: 6,872,676 km (0.103 R)
• M12: 8,668,897 km (0.108 R)
• M13: 9,119,935 km (0.094 R)
• M14: 9,705,760 km (0.095 R)
• M15: 10,920,345 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 14.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.57 AU - 2.23 AU

Year: 1691 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,677,631 km

• M1: 175,478 km (0.114 R)
• M2: 661,073 km (0.073 R)
• M3: 1,475,484 km (0.034 R)
• M4: 1,956,591 km (0.051 R)
• M5: 2,495,592 km (0.11 R)
• M6: 3,091,440 km (0.108 R)
• M7: 3,781,385 km (0.057 R)
• M8: 5,876,204 km (0.075 R)
• M9: 7,389,387 km (0.079 R)
• M10: 8,742,200 km (0.074 R)
• M11: 10,576,719 km (0.096 R)
• M12: 11,207,872 km (0.061 R)
• M13: 11,723,985 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 8.8

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.49 AU - 2.77 AU

Year: 2754 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,677,631 km

• M1: 109,506 km (0.12 R)
• M2: 696,827 km (0.044 R)
• M3: 1,008,140 km (0.094 R)
• M4: 2,409,423 km (0.085 R)
• M5: 3,523,628 km (0.111 R)
• M6: 4,692,736 km (0.093 R)
• M7: 5,831,774 km (0.063 R)
• M8: 7,969,976 km (0.087 R)
• M9: 8,611,601 km (0.117 R)
• M10: 9,396,990 km (0.12 R)
• M11: 10,905,685 km (0.065 R)
• M12: 11,738,945 km (0.115 R)
• M13: 12,839,536 km (0.078 R)
• M14: 15,500,733 km (0.119 R)
• M15: 16,232,715 km (0.109 R)
• M16: 18,106,129 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 13.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.98 AU - 3.66 AU

Year: 3906 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,677,631 km

• M1: 162,912 km (0.101 R)
• M2: 1,171,651 km (0.087 R)
• M3: 1,630,018 km (0.102 R)
• M4: 2,956,353 km (0.119 R)
• M5: 4,100,328 km (0.116 R)
• M6: 5,447,158 km (0.09 R)
• M7: 6,316,321 km (0.096 R)
• M8: 7,884,406 km (0.048 R)
• M9: 10,896,858 km (0.081 R)
• M10: 11,776,494 km (0.071 R)
• M11: 12,920,170 km (0.11 R)
• M12: 13,406,812 km (0.101 R)
• M13: 15,182,837 km (0.11 R)
• M14: 17,058,346 km (0.102 R)
• M15: 19,027,054 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 14.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.11 AU - 5.15 AU

Year: 5419 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,677,631 km

• M1: 190,288 km (0.116 R)
• M2: 689,796 km (0.089 R)
• M3: 1,373,608 km (0.063 R)
• M4: 2,017,626 km (0.075 R)
• M5: 2,692,762 km (0.072 R)
• M6: 3,364,456 km (0.117 R)
• M7: 4,502,447 km (0.073 R)
• M8: 6,010,992 km (0.12 R)
• M9: 7,202,240 km (0.099 R)
• M10: 8,106,709 km (0.105 R)
• M11: 9,736,577 km (0.113 R)
• M12: 10,233,542 km (0.06 R)
• M13: 10,700,137 km (0.107 R)
• M14: 11,878,370 km (0.098 R)
• M15: 12,551,860 km (0.115 R)
• M16: 13,749,540 km (0.082 R)
• M17: 16,498,700 km (0.115 R)
• M18: 17,141,672 km (0.039 R)
• M19: 19,596,274 km (0.097 R)
• M20: 21,433,186 km (0.111 R)
• M21: 22,354,709 km (0.081 R)
• M22: 23,543,563 km (0.09 R)
• M23: 28,356,576 km (0.099 R)
• M24: 31,090,028 km (0.088 R)
• M25: 35,672,959 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.2

Radius: 11.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.39 AU - 4.99 AU

Year: 6558 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,677,631 km

• M1: 147,354 km (0.063 R)
• M2: 1,004,849 km (0.113 R)
• M3: 2,852,233 km (0.094 R)
• M4: 5,333,613 km (0.032 R)
• M5: 6,113,915 km (0.091 R)
• M6: 7,037,832 km (0.055 R)
• M7: 9,970,997 km (0.12 R)
• M8: 12,277,647 km (0.107 R)
• M9: 16,343,119 km (0.105 R)
• M10: 17,024,986 km (0.05 R)
• M11: 19,458,195 km (0.072 R)
• M12: 20,865,911 km (0.076 R)
• M13: 28,048,853 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 13

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.39 AU - 5.99 AU

Year: 8764 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,677,631 km

• M1: 161,715 km (0.117 R)
• M2: 1,083,089 km (0.067 R)
• M3: 1,498,671 km (0.099 R)
• M4: 2,159,744 km (0.068 R)
• M5: 2,731,358 km (0.072 R)
• M6: 3,236,550 km (0.089 R)
• M7: 4,466,544 km (0.101 R)
• M8: 5,880,842 km (0.116 R)
• M9: 6,807,601 km (0.079 R)
• M10: 8,580,934 km (0.116 R)
• M11: 10,644,636 km (0.11 R)
• M12: 11,679,555 km (0.076 R)
• M13: 12,780,296 km (0.102 R)
• M14: 14,855,069 km (0.089 R)
• M15: 18,566,442 km (0.095 R)
• M16: 21,897,987 km (0.097 R)
• M17: 22,504,157 km (0.094 R)
• M18: 25,418,922 km (0.059 R)
• M19: 34,367,717 km (0.112 R)
• M20: 36,742,284 km (0.051 R)
• M21: 37,475,463 km (0.091 R)
• M22: 39,351,271 km (0.114 R)
• M23: 42,347,866 km (0.117 R)
• M24: 43,696,940 km (0.104 R)
• M25: 44,382,247 km (0.045 R)
• M26: 47,051,672 km (0.077 R)
• M27: 49,381,060 km (0.097 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: 354 - 15,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit