🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 11

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.94 AU - 0.94 AU

Year: 588 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,032,088 km

• M1: 136,732 km (0.117 R)
• M2: 521,797 km (0.095 R)
• M3: 986,748 km (0.086 R)
• M4: 1,469,500 km (0.083 R)
• M5: 1,818,213 km (0.106 R)
• M6: 2,305,303 km (0.107 R)
• M7: 2,856,871 km (0.104 R)
• M8: 3,228,771 km (0.117 R)
• M9: 4,002,940 km (0.087 R)
• M10: 5,500,115 km (0.085 R)
• M11: 5,989,600 km (0.109 R)
• M12: 6,338,163 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 10.7

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.85 AU - 2.61 AU

Year: 2150 Days

Day: 10.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,032,088 km

• M1: 132,993 km (0.111 R)
• M2: 489,634 km (0.117 R)
• M3: 856,298 km (0.084 R)
• M4: 1,193,641 km (0.076 R)
• M5: 1,643,183 km (0.082 R)
• M6: 2,004,163 km (0.099 R)
• M7: 2,391,023 km (0.083 R)
• M8: 2,736,444 km (0.083 R)
• M9: 3,266,320 km (0.104 R)
• M10: 3,601,718 km (0.029 R)
• M11: 4,260,248 km (0.116 R)
• M12: 4,727,891 km (0.106 R)
• M13: 5,159,032 km (0.062 R)
• M14: 5,493,383 km (0.044 R)
• M15: 6,100,751 km (0.104 R)
• M16: 6,447,967 km (0.085 R)
• M17: 8,130,046 km (0.085 R)
• M18: 8,885,366 km (0.058 R)
• M19: 11,037,331 km (0.08 R)
• M20: 11,554,640 km (0.103 R)
• M21: 15,689,974 km (0.077 R)
• M22: 17,386,564 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.8

Radius: 8.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.05 AU - 3.23 AU

Year: 2770 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,032,088 km

• M1: 105,766 km (0.098 R)
• M2: 554,260 km (0.109 R)
• M3: 855,101 km (0.108 R)
• M4: 1,121,685 km (0.042 R)
• M5: 1,530,386 km (0.081 R)
• M6: 2,283,312 km (0.106 R)
• M7: 2,692,462 km (0.12 R)
• M8: 3,230,865 km (0.101 R)
• M9: 3,534,698 km (0.089 R)
• M10: 4,399,225 km (0.053 R)
• M11: 7,311,596 km (0.1 R)
• M12: 7,988,526 km (0.114 R)
• M13: 8,999,060 km (0.111 R)
• M14: 9,399,234 km (0.109 R)
• M15: 10,271,091 km (0.089 R)
• M16: 10,782,267 km (0.079 R)
• M17: 13,210,090 km (0.047 R)
• M18: 13,553,417 km (0.103 R)
• M19: 14,710,557 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 14.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.39 AU - 2.89 AU

Year: 2770 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,032,088 km

• M1: 185,501 km (0.12 R)
• M2: 1,324,988 km (0.096 R)
• M3: 2,136,706 km (0.118 R)
• M4: 4,393,689 km (0.109 R)
• M5: 5,205,408 km (0.101 R)
• M6: 6,209,808 km (0.084 R)
• M7: 12,411,088 km (0.085 R)

Asteroid Belt

Center: 3.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.74 AU - 4.22 AU

Year: 4192 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,032,088 km

• M1: 181,612 km (0.101 R)
• M2: 684,560 km (0.059 R)
• M3: 1,155,045 km (0.116 R)
• M4: 1,611,618 km (0.107 R)
• M5: 2,574,131 km (0.072 R)
• M6: 3,055,985 km (0.077 R)
• M7: 3,619,072 km (0.092 R)
• M8: 5,351,265 km (0.069 R)
• M9: 6,727,865 km (0.083 R)
• M10: 7,280,330 km (0.054 R)
• M11: 8,663,362 km (0.109 R)
• M12: 9,358,095 km (0.105 R)
• M13: 10,048,040 km (0.11 R)
• M14: 11,079,817 km (0.087 R)
• M15: 11,575,883 km (0.104 R)
• M16: 12,228,579 km (0.113 R)
• M17: 12,856,591 km (0.114 R)
• M18: 14,124,881 km (0.105 R)
• M19: 16,267,871 km (0.066 R)
• M20: 19,387,286 km (0.094 R)
• M21: 22,311,026 km (0.11 R)
• M22: 23,766,464 km (0.082 R)
• M23: 25,595,597 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.5

Radius: 13.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.75 AU - 4.25 AU

Year: 4228 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,032,088 km

• M1: 167,849 km (0.103 R)
• M2: 814,710 km (0.053 R)
• M3: 1,503,758 km (0.065 R)
• M4: 2,601,058 km (0.084 R)
• M5: 3,083,661 km (0.03 R)
• M6: 4,512,021 km (0.1 R)
• M7: 6,465,470 km (0.053 R)
• M8: 9,053,663 km (0.106 R)
• M9: 9,909,961 km (0.1 R)
• M10: 12,268,521 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 9.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.16 AU - 4.72 AU

Year: 5050 Days

Day: 7.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,032,088 km

• M1: 122,072 km (0.057 R)
• M2: 436,826 km (0.074 R)
• M3: 908,657 km (0.075 R)
• M4: 1,420,731 km (0.116 R)
• M5: 1,924,128 km (0.097 R)
• M6: 3,407,989 km (0.107 R)
• M7: 3,736,356 km (0.071 R)
• M8: 4,041,087 km (0.119 R)
• M9: 4,385,910 km (0.031 R)
• M10: 5,082,887 km (0.057 R)
• M11: 5,909,714 km (0.103 R)
• M12: 6,887,785 km (0.028 R)
• M13: 7,934,671 km (0.086 R)
• M14: 8,330,657 km (0.068 R)
• M15: 8,664,409 km (0.088 R)
• M16: 9,965,462 km (0.114 R)
• M17: 10,469,457 km (0.038 R)
• M18: 10,946,226 km (0.099 R)
• M19: 12,608,857 km (0.079 R)
• M20: 13,000,055 km (0.106 R)
• M21: 13,349,067 km (0.084 R)
• M22: 14,222,569 km (0.042 R)
• M23: 14,970,109 km (0.081 R)
• M24: 16,140,413 km (0.093 R)
• M25: 16,835,894 km (0.041 R)
• M26: 17,551,271 km (0.113 R)
• M27: 18,348,927 km (0.089 R)
• M28: 20,482,492 km (0.12 R)
• M29: 21,783,096 km (0.103 R)
• M30: 24,852,395 km (0.078 R)
• M31: 25,313,157 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.9

Radius: 11.1

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.49 AU - 6.65 AU

Year: 8488 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,032,088 km

• M1: 140,024 km (0.118 R)
• M2: 504,444 km (0.117 R)
• M3: 1,047,783 km (0.057 R)
• M4: 1,963,921 km (0.118 R)
• M5: 2,715,501 km (0.114 R)
• M6: 5,277,364 km (0.118 R)
• M7: 5,803,649 km (0.026 R)
• M8: 6,332,478 km (0.091 R)
• M9: 7,486,925 km (0.113 R)
• M10: 8,499,702 km (0.099 R)
• M11: 9,059,647 km (0.065 R)
• M12: 10,297,869 km (0.118 R)
• M13: 10,658,549 km (0.09 R)
• M14: 11,121,255 km (0.103 R)
• M15: 13,639,287 km (0.102 R)
• M16: 15,030,996 km (0.101 R)
• M17: 15,970,171 km (0.105 R)
• M18: 16,699,760 km (0.099 R)
• M19: 17,324,630 km (0.084 R)
• M20: 18,029,984 km (0.094 R)
• M21: 20,900,468 km (0.077 R)
• M22: 24,141,506 km (0.099 R)
• M23: 25,021,590 km (0.082 R)
• M24: 29,745,592 km (0.108 R)
• M25: 30,294,466 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.4

Radius: 3.1

Gravity: 51.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.91 AU - 8.49 AU

Year: 15161 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,032,088 km

• M1: 45,627 km (0.11 R)
• M2: 214,972 km (0.068 R)
• M3: 755,320 km (0.092 R)
• M4: 1,153,998 km (0.039 R)
• M5: 1,256,024 km (0.12 R)
• M6: 2,056,522 km (0.107 R)
• M7: 2,771,600 km (0.091 R)
• M8: 4,450,387 km (0.088 R)
• M9: 4,931,793 km (0.065 R)
• M10: 5,133,750 km (0.115 R)
• M11: 6,266,356 km (0.109 R)
• M12: 7,511,309 km (0.096 R)
• M13: 14,479,578 km (0.045 R)
• M14: 19,061,910 km (0.094 R)
• M15: 20,149,487 km (0.109 R)
• M16: 21,189,491 km (0.115 R)
• M17: 22,447,460 km (0.06 R)
• M18: 25,808,325 km (0.1 R)
• M19: 35,085,488 km (0.043 R)
• M20: 37,741,448 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.3

Radius: 3.7

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.6 AU - 10.52 AU

Year: 17608 Days

Day: 24.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,032,088 km

• M1: 46,226 km (0.073 R)
• M2: 182,958 km (0.089 R)
• M3: 2,467,018 km (0.12 R)
• M4: 3,299,531 km (0.074 R)
• M5: 3,504,779 km (0.074 R)
• M6: 3,718,405 km (0.11 R)
• M7: 4,093,596 km (0.042 R)
• M8: 4,978,019 km (0.119 R)
• M9: 5,187,157 km (0.09 R)
• M10: 5,850,174 km (0.064 R)
• M11: 6,184,974 km (0.076 R)
• M12: 6,929,373 km (0.071 R)
• M13: 11,001,577 km (0.039 R)
• M14: 14,356,309 km (0.076 R)
• M15: 15,908,238 km (0.101 R)
• M16: 19,783,122 km (0.068 R)
• M17: 19,932,121 km (0.099 R)
• M18: 21,620,483 km (0.117 R)
• M19: 22,743,065 km (0.075 R)
• M20: 24,157,812 km (0.115 R)
• M21: 29,716,271 km (0.114 R)
• M22: 31,102,295 km (0.084 R)
• M23: 34,971,345 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 13,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit