🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 12.1

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.69 AU - 0.71 AU

Year: 378 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,628,000 km

• M1: 150,495 km (0.074 R)
• M2: 626,366 km (0.077 R)
• M3: 1,421,479 km (0.101 R)
• M4: 2,104,842 km (0.031 R)
• M5: 2,623,199 km (0.119 R)
• M6: 3,137,516 km (0.055 R)
• M7: 3,868,451 km (0.111 R)
• M8: 4,724,450 km (0.111 R)
• M9: 5,362,635 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 8.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.91 AU - 1.19 AU

Year: 695 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,628,000 km

• M1: 102,175 km (0.106 R)
• M2: 430,543 km (0.099 R)
• M3: 718,967 km (0.1 R)
• M4: 1,028,635 km (0.037 R)
• M5: 1,427,463 km (0.105 R)
• M6: 2,307,996 km (0.036 R)
• M7: 2,729,712 km (0.111 R)
• M8: 2,997,343 km (0.119 R)
• M9: 3,292,799 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.1

Radius: 14.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.43 AU - 1.47 AU

Year: 1127 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,628,000 km

• M1: 175,628 km (0.081 R)
• M2: 933,042 km (0.057 R)
• M3: 1,798,316 km (0.074 R)
• M4: 3,331,395 km (0.08 R)
• M5: 3,798,888 km (0.102 R)
• M6: 4,462,654 km (0.047 R)
• M7: 5,734,086 km (0.11 R)
• M8: 7,069,098 km (0.106 R)
• M9: 8,337,089 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 10.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.32 AU - 2.5 AU

Year: 2416 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,628,000 km

• M1: 129,402 km (0.038 R)
• M2: 847,771 km (0.063 R)
• M3: 1,243,308 km (0.039 R)
• M4: 2,518,929 km (0.094 R)
• M5: 3,478,749 km (0.059 R)
• M6: 3,974,965 km (0.11 R)
• M7: 6,183,778 km (0.11 R)
• M8: 6,941,940 km (0.073 R)
• M9: 7,944,694 km (0.113 R)
• M10: 8,416,675 km (0.111 R)
• M11: 9,347,773 km (0.043 R)
• M12: 10,090,077 km (0.046 R)
• M13: 14,542,409 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.3

Radius: 9.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.55 AU - 3.93 AU

Year: 3766 Days

Day: 11.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,628,000 km

• M1: 115,639 km (0.047 R)
• M2: 456,274 km (0.105 R)
• M3: 854,353 km (0.069 R)
• M4: 1,418,487 km (0.062 R)
• M5: 1,935,796 km (0.056 R)
• M6: 2,670,621 km (0.078 R)
• M7: 3,462,892 km (0.087 R)
• M8: 4,023,584 km (0.101 R)
• M9: 4,325,922 km (0.097 R)
• M10: 4,808,225 km (0.098 R)
• M11: 5,415,892 km (0.041 R)
• M12: 6,171,959 km (0.117 R)
• M13: 6,601,455 km (0.111 R)
• M14: 7,186,682 km (0.057 R)
• M15: 7,576,833 km (0.073 R)
• M16: 8,339,034 km (0.075 R)
• M17: 8,707,643 km (0.106 R)
• M18: 11,115,870 km (0.079 R)
• M19: 14,369,175 km (0.109 R)
• M20: 15,215,300 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 10.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.65 AU - 4.13 AU

Year: 4954 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,628,000 km

• M1: 130,599 km (0.075 R)
• M2: 478,414 km (0.054 R)
• M3: 960,269 km (0.071 R)
• M4: 1,645,577 km (0.116 R)
• M5: 1,983,967 km (0.113 R)
• M6: 2,369,331 km (0.108 R)
• M7: 2,734,350 km (0.086 R)
• M8: 3,685,643 km (0.101 R)
• M9: 4,225,990 km (0.081 R)
• M10: 5,298,457 km (0.086 R)
• M11: 8,418,321 km (0.104 R)
• M12: 8,997,265 km (0.05 R)
• M13: 11,629,140 km (0.111 R)
• M14: 12,347,509 km (0.084 R)
• M15: 14,085,537 km (0.113 R)
• M16: 15,520,480 km (0.095 R)
• M17: 16,869,105 km (0.08 R)
• M18: 17,602,882 km (0.102 R)
• M19: 19,003,418 km (0.091 R)
• M20: 24,802,729 km (0.057 R)
• M21: 28,144,296 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.5

Radius: 15

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.66 AU - 6.4 AU

Year: 8397 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,628,000 km

• M1: 187,745 km (0.038 R)
• M2: 724,652 km (0.069 R)
• M3: 1,224,459 km (0.086 R)
• M4: 1,697,487 km (0.055 R)
• M5: 2,246,362 km (0.063 R)
• M6: 3,952,675 km (0.113 R)
• M7: 4,437,821 km (0.05 R)
• M8: 5,255,972 km (0.115 R)
• M9: 5,812,924 km (0.098 R)
• M10: 10,939,643 km (0.102 R)
• M11: 11,593,685 km (0.071 R)
• M12: 12,061,777 km (0.054 R)
• M13: 12,596,590 km (0.115 R)
• M14: 16,339,229 km (0.086 R)
• M15: 18,428,962 km (0.066 R)
• M16: 19,794,790 km (0.116 R)
• M17: 26,294,070 km (0.085 R)
• M18: 28,024,020 km (0.12 R)
• M19: 28,491,513 km (0.07 R)
• M20: 30,316,158 km (0.096 R)
• M21: 34,303,540 km (0.1 R)
• M22: 34,838,801 km (0.077 R)
• M23: 36,036,033 km (0.112 R)
• M24: 37,035,945 km (0.115 R)
• M25: 37,712,726 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 16,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit