🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.8

Radius: 13

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.47 AU - 0.73 AU

Year: 321 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,465,965 km

• M1: 161,715 km (0.092 R)
• M2: 600,635 km (0.11 R)
• M3: 1,382,434 km (0.061 R)
• M4: 1,983,817 km (0.117 R)
• M5: 2,520,724 km (0.077 R)
• M6: 2,975,950 km (0.08 R)
• M7: 3,781,086 km (0.061 R)
• M8: 4,476,417 km (0.117 R)
• M9: 5,134,797 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.4

Radius: 10.7

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.89 AU - 0.99 AU

Year: 629 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 76.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,465,965 km

• M1: 132,993 km (0.111 R)
• M2: 586,573 km (0.111 R)
• M3: 1,003,054 km (0.076 R)
• M4: 1,353,711 km (0.085 R)
• M5: 1,952,701 km (0.073 R)
• M6: 2,304,854 km (0.114 R)
• M7: 2,742,877 km (0.083 R)
• M8: 3,080,968 km (0.077 R)
• M9: 3,601,419 km (0.09 R)
• M10: 4,223,597 km (0.057 R)
• M11: 4,851,459 km (0.082 R)
• M12: 5,332,416 km (0.06 R)
• M13: 5,754,132 km (0.103 R)
• M14: 6,370,625 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.8

Radius: 14.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.86 AU - 1.08 AU

Year: 659 Days

Day: 12.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,465,965 km

• M1: 184,005 km (0.085 R)
• M2: 649,704 km (0.099 R)
• M3: 1,256,921 km (0.097 R)
• M4: 1,880,744 km (0.082 R)
• M5: 2,378,756 km (0.036 R)
• M6: 3,301,176 km (0.091 R)
• M7: 3,853,192 km (0.081 R)
• M8: 4,895,142 km (0.119 R)
• M9: 6,608,336 km (0.087 R)
• M10: 7,103,954 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 12.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.04 AU - 3.16 AU

Year: 2894 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,465,965 km

• M1: 159,920 km (0.117 R)
• M2: 551,418 km (0.052 R)
• M3: 935,136 km (0.092 R)
• M4: 1,475,783 km (0.051 R)
• M5: 2,524,165 km (0.07 R)
• M6: 3,093,235 km (0.115 R)
• M7: 3,856,184 km (0.093 R)
• M8: 4,759,157 km (0.057 R)
• M9: 7,125,795 km (0.048 R)
• M10: 7,594,037 km (0.081 R)
• M11: 8,537,700 km (0.107 R)
• M12: 8,981,407 km (0.064 R)
• M13: 10,689,217 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 13.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.34 AU - 5.9 AU

Year: 7997 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,465,965 km

• M1: 550,221 km (0.11 R)
• M2: 2,365,890 km (0.089 R)
• M3: 3,138,713 km (0.066 R)
• M4: 3,953,872 km (0.086 R)
• M5: 4,529,076 km (0.108 R)
• M6: 6,297,472 km (0.104 R)
• M7: 8,570,163 km (0.046 R)
• M8: 12,097,681 km (0.083 R)
• M9: 13,206,799 km (0.084 R)
• M10: 18,739,976 km (0.077 R)
• M11: 19,507,712 km (0.078 R)
• M12: 22,477,678 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.8

Radius: 4.1

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.77 AU - 6.81 AU

Year: 10889 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,465,965 km

• M1: 51,611 km (0.097 R)
• M2: 192,832 km (0.098 R)
• M3: 658,081 km (0.03 R)
• M4: 831,615 km (0.088 R)
• M5: 1,054,665 km (0.087 R)
• M6: 1,339,499 km (0.115 R)
• M7: 1,713,943 km (0.115 R)
• M8: 2,505,615 km (0.067 R)
• M9: 3,537,541 km (0.102 R)
• M10: 3,905,103 km (0.078 R)
• M11: 5,755,479 km (0.073 R)
• M12: 6,494,492 km (0.106 R)
• M13: 6,974,103 km (0.112 R)
• M14: 7,330,894 km (0.099 R)
• M15: 7,926,892 km (0.03 R)
• M16: 8,434,478 km (0.116 R)
• M17: 8,963,306 km (0.111 R)
• M18: 12,925,406 km (0.11 R)
• M19: 18,856,064 km (0.073 R)
• M20: 20,041,328 km (0.104 R)
• M21: 20,183,894 km (0.046 R)
• M22: 22,790,637 km (0.119 R)
• M23: 27,064,648 km (0.118 R)
• M24: 28,300,327 km (0.044 R)

Asteroid Belt

Center: 7.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.8

Radius: 6.8

Gravity: 20.82 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.39 AU - 8.43 AU

Year: 15356 Days

Day: 17.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,465,965 km

• M1: 85,121 km (0.038 R)
• M2: 574,157 km (0.055 R)
• M3: 1,240,466 km (0.112 R)
• M4: 1,601,744 km (0.108 R)
• M5: 1,843,495 km (0.085 R)
• M6: 2,401,794 km (0.098 R)
• M7: 2,673,164 km (0.05 R)
• M8: 3,612,938 km (0.027 R)
• M9: 4,450,537 km (0.108 R)
• M10: 4,721,907 km (0.093 R)
• M11: 5,297,859 km (0.115 R)
• M12: 6,589,188 km (0.119 R)
• M13: 10,354,716 km (0.028 R)
• M14: 11,076,675 km (0.093 R)
• M15: 12,755,014 km (0.1 R)
• M16: 14,448,611 km (0.12 R)
• M17: 14,969,511 km (0.057 R)
• M18: 16,127,997 km (0.109 R)
• M19: 17,763,850 km (0.061 R)
• M20: 25,203,352 km (0.11 R)
• M21: 26,506,050 km (0.088 R)
• M22: 32,545,765 km (0.106 R)
• M23: 32,927,090 km (0.088 R)
• M24: 36,358,416 km (0.098 R)
• M25: 38,301,244 km (0.106 R)
• M26: 41,343,765 km (0.079 R)
• M27: 47,904,529 km (0.028 R)
• M28: 48,563,358 km (0.1 R)
• M29: 49,562,822 km (0.03 R)
• M30: 53,345,254 km (0.095 R)
• M31: 57,871,936 km (0.105 R)
• M32: 63,238,311 km (0.082 R)
• M33: 65,031,092 km (0.109 R)
• M34: 68,926,920 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: 436 - 18,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit