🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 9.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 5.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,045,066 km

• M1: 150,346 km (0.112 R)
• M2: 612,603 km (0.107 R)
• M3: 923,617 km (0.07 R)
• M4: 1,232,238 km (0.108 R)
• M5: 1,595,461 km (0.077 R)
• M6: 2,011,792 km (0.101 R)
• M7: 2,358,560 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 9.4

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1 AU - 1.06 AU

Year: 686 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,045,066 km

• M1: 116,836 km (0.106 R)
• M2: 496,366 km (0.115 R)
• M3: 887,714 km (0.104 R)
• M4: 1,321,847 km (0.099 R)
• M5: 1,761,216 km (0.117 R)
• M6: 2,083,599 km (0.117 R)
• M7: 2,923,442 km (0.074 R)
• M8: 3,271,107 km (0.052 R)
• M9: 4,223,597 km (0.054 R)
• M10: 7,342,712 km (0.098 R)
• M11: 8,063,176 km (0.109 R)
• M12: 8,364,316 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 9.4

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.19 AU - 1.93 AU

Year: 1278 Days

Day: 14.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,045,066 km

• M1: 117,434 km (0.114 R)
• M2: 517,459 km (0.105 R)
• M3: 878,140 km (0.089 R)
• M4: 1,358,349 km (0.074 R)
• M5: 1,679,236 km (0.104 R)
• M6: 2,051,136 km (0.042 R)
• M7: 2,402,841 km (0.104 R)
• M8: 2,991,808 km (0.095 R)
• M9: 4,948,997 km (0.101 R)
• M10: 5,261,357 km (0.059 R)
• M11: 6,065,146 km (0.071 R)
• M12: 6,595,321 km (0.032 R)
• M13: 6,974,402 km (0.074 R)
• M14: 8,000,045 km (0.119 R)
• M15: 8,431,486 km (0.082 R)
• M16: 9,658,487 km (0.107 R)
• M17: 10,930,518 km (0.082 R)
• M18: 11,498,392 km (0.116 R)
• M19: 12,424,702 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 9.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.83 AU - 2.15 AU

Year: 1842 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,045,066 km

• M1: 123,119 km (0.108 R)
• M2: 440,566 km (0.064 R)
• M3: 1,138,141 km (0.111 R)
• M4: 1,747,602 km (0.104 R)
• M5: 2,100,354 km (0.093 R)
• M6: 2,464,475 km (0.098 R)
• M7: 2,817,676 km (0.102 R)
• M8: 3,292,200 km (0.053 R)
• M9: 3,658,715 km (0.11 R)
• M10: 4,771,723 km (0.087 R)
• M11: 6,604,746 km (0.08 R)
• M12: 6,942,388 km (0.111 R)
• M13: 7,496,349 km (0.119 R)
• M14: 7,998,400 km (0.093 R)
• M15: 8,635,836 km (0.102 R)
• M16: 9,487,497 km (0.062 R)
• M17: 9,918,189 km (0.047 R)
• M18: 10,951,911 km (0.112 R)
• M19: 11,289,104 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.1

Radius: 12.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.75 AU - 2.87 AU

Year: 2303 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,045,066 km

• M1: 150,495 km (0.094 R)
• M2: 735,573 km (0.07 R)
• M3: 1,121,386 km (0.089 R)
• M4: 1,524,103 km (0.027 R)
• M5: 2,349,883 km (0.107 R)
• M6: 2,864,650 km (0.084 R)
• M7: 4,002,641 km (0.051 R)
• M8: 4,500,054 km (0.099 R)
• M9: 5,251,334 km (0.108 R)
• M10: 6,519,176 km (0.099 R)
• M11: 7,390,434 km (0.093 R)
• M12: 7,791,356 km (0.109 R)
• M13: 8,272,164 km (0.109 R)
• M14: 9,013,122 km (0.1 R)
• M15: 10,550,240 km (0.063 R)
• M16: 12,470,179 km (0.092 R)
• M17: 13,308,825 km (0.076 R)
• M18: 13,765,098 km (0.095 R)
• M19: 14,564,849 km (0.1 R)
• M20: 15,445,232 km (0.107 R)
• M21: 17,043,985 km (0.057 R)
• M22: 17,582,537 km (0.047 R)
• M23: 18,021,457 km (0.064 R)
• M24: 19,208,666 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 10.7

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.87 AU - 2.83 AU

Year: 2363 Days

Day: 5.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,045,066 km

• M1: 133,142 km (0.083 R)
• M2: 524,041 km (0.054 R)
• M3: 890,107 km (0.102 R)
• M4: 1,520,662 km (0.095 R)
• M5: 1,919,640 km (0.104 R)
• M6: 2,687,975 km (0.089 R)
• M7: 3,045,065 km (0.113 R)
• M8: 3,381,361 km (0.068 R)
• M9: 3,742,640 km (0.097 R)
• M10: 4,149,845 km (0.077 R)
• M11: 4,522,344 km (0.084 R)
• M12: 5,169,654 km (0.104 R)
• M13: 6,511,547 km (0.117 R)
• M14: 7,456,855 km (0.114 R)
• M15: 10,052,528 km (0.08 R)
• M16: 11,037,480 km (0.082 R)
• M17: 12,805,877 km (0.077 R)
• M18: 14,100,497 km (0.111 R)
• M19: 14,898,901 km (0.112 R)
• M20: 15,628,190 km (0.082 R)
• M21: 15,976,604 km (0.093 R)
• M22: 17,210,487 km (0.08 R)
• M23: 18,507,052 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.91 AU - 5.13 AU

Year: 6304 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,045,066 km

• M1: 113,694 km (0.031 R)
• M2: 417,228 km (0.1 R)
• M3: 1,066,334 km (0.097 R)
• M4: 1,669,811 km (0.077 R)
• M5: 2,056,522 km (0.097 R)
• M6: 3,169,680 km (0.091 R)
• M7: 3,523,778 km (0.057 R)
• M8: 4,513,517 km (0.061 R)
• M9: 4,990,435 km (0.097 R)
• M10: 5,500,564 km (0.105 R)
• M11: 7,171,423 km (0.103 R)
• M12: 8,199,459 km (0.109 R)
• M13: 8,869,807 km (0.098 R)
• M14: 10,454,647 km (0.081 R)
• M15: 12,422,158 km (0.081 R)
• M16: 14,624,538 km (0.112 R)
• M17: 15,728,571 km (0.119 R)
• M18: 16,638,574 km (0.076 R)
• M19: 17,906,117 km (0.104 R)
• M20: 19,717,747 km (0.094 R)
• M21: 26,637,098 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.3

Radius: 3.9

Gravity: 45.98 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.5 AU - 6.74 AU

Year: 9932 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,045,066 km

• M1: 48,470 km (0.078 R)
• M2: 276,158 km (0.069 R)
• M3: 720,314 km (0.09 R)
• M4: 1,383,631 km (0.039 R)
• M5: 1,506,151 km (0.083 R)
• M6: 1,650,962 km (0.076 R)
• M7: 1,951,654 km (0.11 R)
• M8: 2,325,349 km (0.073 R)
• M9: 2,766,214 km (0.074 R)
• M10: 3,143,350 km (0.096 R)
• M11: 3,528,864 km (0.103 R)
• M12: 4,278,050 km (0.119 R)
• M13: 5,558,159 km (0.087 R)
• M14: 6,120,348 km (0.073 R)
• M15: 6,566,299 km (0.112 R)
• M16: 6,875,369 km (0.085 R)
• M17: 7,860,919 km (0.103 R)
• M18: 8,253,763 km (0.052 R)
• M19: 9,031,074 km (0.108 R)
• M20: 11,212,959 km (0.086 R)
• M21: 11,766,471 km (0.098 R)
• M22: 14,355,262 km (0.047 R)
• M23: 18,643,335 km (0.028 R)
• M24: 19,735,400 km (0.103 R)
• M25: 20,135,425 km (0.092 R)
• M26: 21,117,834 km (0.117 R)
• M27: 23,983,231 km (0.1 R)
• M28: 33,543,583 km (0.111 R)
• M29: 36,217,345 km (0.099 R)
• M30: 39,155,148 km (0.042 R)
• M31: 39,406,922 km (0.115 R)
• M32: 39,533,182 km (0.056 R)
• M33: 39,913,609 km (0.11 R)
• M34: 40,041,067 km (0.106 R)
• M35: 40,553,290 km (0.073 R)
• M36: 41,721,500 km (0.081 R)
• M37: 46,478,562 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 16,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit