🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 12.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,791,757 km

• M1: 153,787 km (0.107 R)
• M2: 572,062 km (0.117 R)
• M3: 990,488 km (0.104 R)
• M4: 1,432,549 km (0.105 R)
• M5: 2,242,173 km (0.112 R)
• M6: 2,674,960 km (0.112 R)
• M7: 3,366,102 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 8.9

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.55 AU - 0.83 AU

Year: 389 Days

Day: 14.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,791,757 km

• M1: 111,301 km (0.11 R)
• M2: 391,348 km (0.118 R)
• M3: 828,772 km (0.084 R)
• M4: 1,126,322 km (0.047 R)
• M5: 1,503,159 km (0.099 R)
• M6: 1,830,330 km (0.098 R)
• M7: 2,128,030 km (0.112 R)
• M8: 2,572,485 km (0.109 R)
• M9: 2,958,896 km (0.11 R)
• M10: 3,245,376 km (0.05 R)
• M11: 5,375,051 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 8.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.23 AU - 1.27 AU

Year: 948 Days

Day: 8.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,791,757 km

• M1: 108,159 km (0.114 R)
• M2: 417,378 km (0.039 R)
• M3: 1,140,534 km (0.092 R)
• M4: 1,584,241 km (0.083 R)
• M5: 1,855,163 km (0.031 R)
• M6: 2,229,008 km (0.093 R)
• M7: 2,662,992 km (0.119 R)
• M8: 3,117,919 km (0.12 R)
• M9: 3,662,156 km (0.111 R)
• M10: 4,830,665 km (0.112 R)
• M11: 5,542,900 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.2

Radius: 9.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.77 AU - 3.97 AU

Year: 4196 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,791,757 km

• M1: 119,379 km (0.088 R)
• M2: 882,627 km (0.106 R)
• M3: 1,338,602 km (0.085 R)
• M4: 2,075,222 km (0.108 R)
• M5: 2,731,208 km (0.119 R)
• M6: 3,641,212 km (0.111 R)
• M7: 4,004,585 km (0.119 R)
• M8: 4,372,147 km (0.114 R)
• M9: 6,534,884 km (0.087 R)
• M10: 7,525,820 km (0.117 R)
• M11: 7,997,203 km (0.087 R)
• M12: 8,773,018 km (0.099 R)
• M13: 9,666,416 km (0.106 R)
• M14: 10,188,363 km (0.113 R)
• M15: 12,224,240 km (0.064 R)
• M16: 14,205,215 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 10.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.71 AU - 3.79 AU

Year: 4925 Days

Day: 11.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 175.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,791,757 km

• M1: 125,662 km (0.109 R)
• M2: 530,773 km (0.111 R)
• M3: 972,835 km (0.098 R)
• M4: 1,459,926 km (0.097 R)
• M5: 1,871,021 km (0.112 R)
• M6: 2,312,633 km (0.112 R)
• M7: 2,718,792 km (0.118 R)
• M8: 3,407,391 km (0.041 R)
• M9: 4,666,107 km (0.119 R)
• M10: 5,739,023 km (0.039 R)
• M11: 6,551,190 km (0.06 R)
• M12: 7,506,971 km (0.085 R)
• M13: 10,279,318 km (0.082 R)
• M14: 11,111,681 km (0.082 R)
• M15: 11,988,325 km (0.1 R)
• M16: 15,005,265 km (0.091 R)
• M17: 15,449,870 km (0.114 R)
• M18: 17,745,000 km (0.061 R)
• M19: 19,923,744 km (0.089 R)
• M20: 24,193,566 km (0.074 R)
• M21: 25,742,652 km (0.119 R)
• M22: 27,604,547 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 11.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.32 AU - 5.64 AU

Year: 7538 Days

Day: 14.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,791,757 km

• M1: 147,354 km (0.114 R)
• M2: 527,033 km (0.106 R)
• M3: 1,310,029 km (0.063 R)
• M4: 2,320,712 km (0.068 R)
• M5: 2,730,610 km (0.075 R)
• M6: 3,560,878 km (0.066 R)
• M7: 6,966,922 km (0.096 R)
• M8: 7,829,504 km (0.113 R)
• M9: 8,429,541 km (0.09 R)
• M10: 8,846,320 km (0.075 R)
• M11: 9,233,181 km (0.105 R)
• M12: 10,180,285 km (0.111 R)
• M13: 11,593,087 km (0.058 R)
• M14: 12,912,540 km (0.068 R)
• M15: 21,736,720 km (0.099 R)
• M16: 22,363,984 km (0.109 R)
• M17: 23,003,365 km (0.052 R)
• M18: 24,402,405 km (0.116 R)
• M19: 26,650,561 km (0.116 R)
• M20: 27,825,054 km (0.077 R)
• M21: 31,158,394 km (0.119 R)
• M22: 31,555,427 km (0.079 R)
• M23: 32,056,729 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.7

Radius: 7.8

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.88 AU - 7.78 AU

Year: 13460 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,791,757 km

• M1: 96,939 km (0.107 R)
• M2: 700,716 km (0.098 R)
• M3: 955,332 km (0.053 R)
• M4: 1,247,197 km (0.098 R)
• M5: 1,823,448 km (0.054 R)
• M6: 2,125,337 km (0.104 R)
• M7: 2,718,193 km (0.058 R)
• M8: 3,521,683 km (0.104 R)
• M9: 4,505,888 km (0.07 R)
• M10: 5,517,169 km (0.081 R)
• M11: 6,231,499 km (0.108 R)
• M12: 7,133,874 km (0.116 R)
• M13: 7,888,894 km (0.079 R)
• M14: 9,043,790 km (0.082 R)
• M15: 10,697,445 km (0.088 R)
• M16: 12,355,887 km (0.11 R)
• M17: 13,181,368 km (0.115 R)
• M18: 15,658,858 km (0.078 R)
• M19: 19,761,729 km (0.104 R)
• M20: 21,244,693 km (0.065 R)
• M21: 22,059,104 km (0.112 R)
• M22: 24,924,501 km (0.057 R)
• M23: 27,071,979 km (0.11 R)
• M24: 30,462,914 km (0.109 R)
• M25: 36,255,493 km (0.051 R)
• M26: 41,891,742 km (0.068 R)
• M27: 47,317,657 km (0.09 R)
• M28: 49,016,790 km (0.044 R)
• M29: 49,330,047 km (0.091 R)
• M30: 50,436,922 km (0.106 R)
• M31: 51,722,267 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.2

Radius: 3

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.07 AU - 9.67 AU

Year: 14975 Days

Day: 25 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,791,757 km

• M1: 37,250 km (0.114 R)
• M2: 145,260 km (0.109 R)
• M3: 394,190 km (0.092 R)
• M4: 756,217 km (0.061 R)
• M5: 883,375 km (0.115 R)
• M6: 1,247,646 km (0.053 R)
• M7: 1,425,967 km (0.034 R)
• M8: 1,789,490 km (0.086 R)
• M9: 1,954,047 km (0.113 R)
• M10: 2,912,970 km (0.081 R)
• M11: 3,056,733 km (0.111 R)
• M12: 3,162,200 km (0.102 R)
• M13: 3,562,673 km (0.103 R)
• M14: 3,872,042 km (0.07 R)
• M15: 3,995,759 km (0.092 R)
• M16: 6,986,221 km (0.104 R)
• M17: 15,310,145 km (0.07 R)
• M18: 20,777,499 km (0.083 R)
• M19: 20,928,593 km (0.045 R)
• M20: 29,365,314 km (0.118 R)
• M21: 31,505,760 km (0.073 R)
• M22: 33,747,784 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.9

Radius: 4.1

Gravity: 37.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.09 AU - 10.85 AU

Year: 21352 Days

Day: 22.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,791,757 km

• M1: 51,761 km (0.115 R)
• M2: 301,141 km (0.107 R)
• M3: 478,863 km (0.096 R)
• M4: 861,385 km (0.063 R)
• M5: 1,171,800 km (0.101 R)
• M6: 1,799,812 km (0.087 R)
• M7: 2,798,677 km (0.051 R)
• M8: 3,219,346 km (0.107 R)
• M9: 3,444,790 km (0.116 R)
• M10: 5,686,065 km (0.087 R)
• M11: 12,403,907 km (0.09 R)
• M12: 13,600,840 km (0.118 R)
• M13: 13,746,548 km (0.097 R)
• M14: 17,221,707 km (0.083 R)
• M15: 17,650,155 km (0.106 R)
• M16: 19,160,495 km (0.063 R)
• M17: 23,991,609 km (0.089 R)
• M18: 24,418,412 km (0.035 R)
• M19: 30,686,862 km (0.104 R)
• M20: 36,104,997 km (0.114 R)
• M21: 39,851,826 km (0.112 R)
• M22: 46,438,021 km (0.103 R)
• M23: 55,365,424 km (0.083 R)
• M24: 65,993,904 km (0.08 R)
• M25: 68,527,194 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.5

Radius: 4.9

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.53 AU - 11.47 AU

Year: 21448 Days

Day: 19.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,791,757 km

• M1: 60,886 km (0.053 R)
• M2: 260,450 km (0.109 R)
• M3: 575,653 km (0.111 R)
• M4: 763,847 km (0.112 R)
• M5: 923,019 km (0.096 R)
• M6: 1,091,765 km (0.043 R)
• M7: 1,674,748 km (0.095 R)
• M8: 2,044,405 km (0.062 R)
• M9: 2,844,604 km (0.069 R)
• M10: 3,206,032 km (0.109 R)
• M11: 3,715,114 km (0.059 R)
• M12: 4,020,443 km (0.077 R)
• M13: 5,526,744 km (0.092 R)
• M14: 5,763,258 km (0.089 R)
• M15: 6,172,408 km (0.075 R)
• M16: 8,054,200 km (0.114 R)
• M17: 9,483,458 km (0.075 R)
• M18: 11,323,661 km (0.04 R)
• M19: 13,601,139 km (0.114 R)
• M20: 13,815,663 km (0.115 R)
• M21: 17,061,338 km (0.084 R)
• M22: 19,577,275 km (0.109 R)
• M23: 21,740,311 km (0.068 R)
• M24: 23,233,896 km (0.05 R)
• M25: 25,007,678 km (0.085 R)
• M26: 32,494,752 km (0.116 R)
• M27: 34,575,509 km (0.098 R)
• M28: 35,513,039 km (0.109 R)
• M29: 36,193,110 km (0.058 R)
• M30: 37,299,088 km (0.08 R)
• M31: 45,042,722 km (0.117 R)
• M32: 46,321,784 km (0.098 R)
• M33: 49,794,100 km (0.104 R)
• M34: 56,511,044 km (0.093 R)
• M35: 56,880,402 km (0.067 R)
• M36: 69,356,266 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit