🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 9.5

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.81 AU - 1.05 AU

Year: 619 Days

Day: 8.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,687,021 km

• M1: 118,182 km (0.094 R)
• M2: 573,109 km (0.049 R)
• M3: 875,297 km (0.109 R)
• M4: 1,281,755 km (0.096 R)
• M5: 1,692,550 km (0.117 R)
• M6: 2,043,657 km (0.083 R)
• M7: 2,556,777 km (0.084 R)
• M8: 2,861,209 km (0.03 R)
• M9: 3,214,559 km (0.099 R)
• M10: 3,854,688 km (0.091 R)
• M11: 4,377,383 km (0.097 R)
• M12: 5,147,064 km (0.101 R)
• M13: 5,672,302 km (0.112 R)
• M14: 6,626,886 km (0.106 R)
• M15: 7,142,700 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 11.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.91 AU - 2.69 AU

Year: 2408 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,687,021 km

• M1: 148,551 km (0.105 R)
• M2: 572,062 km (0.042 R)
• M3: 1,549,385 km (0.049 R)
• M4: 2,094,969 km (0.113 R)
• M5: 2,842,659 km (0.109 R)
• M6: 3,613,237 km (0.101 R)
• M7: 4,560,940 km (0.1 R)
• M8: 5,944,421 km (0.062 R)
• M9: 6,471,903 km (0.08 R)
• M10: 7,116,820 km (0.117 R)
• M11: 8,212,175 km (0.078 R)
• M12: 9,104,975 km (0.109 R)
• M13: 9,592,814 km (0.09 R)
• M14: 10,061,354 km (0.096 R)
• M15: 10,735,293 km (0.113 R)
• M16: 12,090,350 km (0.082 R)
• M17: 13,736,376 km (0.092 R)
• M18: 14,613,318 km (0.082 R)
• M19: 15,186,129 km (0.076 R)
• M20: 16,427,641 km (0.103 R)
• M21: 18,553,278 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 14.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.1 AU - 3.32 AU

Year: 3079 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,687,021 km

• M1: 175,329 km (0.091 R)
• M2: 658,231 km (0.083 R)
• M3: 1,286,392 km (0.084 R)
• M4: 2,168,720 km (0.102 R)
• M5: 3,379,266 km (0.085 R)
• M6: 4,900,377 km (0.081 R)
• M7: 5,928,115 km (0.1 R)
• M8: 6,941,042 km (0.109 R)
• M9: 9,248,440 km (0.118 R)
• M10: 12,439,661 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 11.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.65 AU - 3.69 AU

Year: 3896 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,687,021 km

• M1: 216,319 km (0.096 R)
• M2: 858,692 km (0.114 R)
• M3: 1,294,321 km (0.088 R)
• M4: 1,675,496 km (0.117 R)
• M5: 2,471,806 km (0.103 R)
• M6: 3,200,946 km (0.094 R)
• M7: 5,230,540 km (0.089 R)
• M8: 7,516,695 km (0.046 R)
• M9: 8,341,876 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 11.1

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.23 AU - 3.73 AU

Year: 4481 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,687,021 km

• M1: 139,425 km (0.098 R)
• M2: 521,199 km (0.08 R)
• M3: 1,259,315 km (0.118 R)
• M4: 1,798,466 km (0.054 R)
• M5: 2,454,153 km (0.098 R)
• M6: 2,893,971 km (0.063 R)
• M7: 3,663,951 km (0.094 R)
• M8: 4,825,579 km (0.104 R)
• M9: 5,376,547 km (0.094 R)
• M10: 6,441,684 km (0.096 R)
• M11: 6,871,329 km (0.081 R)
• M12: 8,353,396 km (0.085 R)
• M13: 10,617,110 km (0.084 R)
• M14: 13,581,392 km (0.106 R)
• M15: 14,289,738 km (0.085 R)
• M16: 15,195,105 km (0.091 R)
• M17: 17,245,792 km (0.089 R)
• M18: 19,202,831 km (0.096 R)
• M19: 20,943,403 km (0.083 R)
• M20: 21,449,044 km (0.081 R)
• M21: 22,786,897 km (0.064 R)
• M22: 23,244,966 km (0.087 R)
• M23: 24,021,977 km (0.089 R)
• M24: 25,057,943 km (0.091 R)
• M25: 25,464,250 km (0.1 R)
• M26: 25,957,624 km (0.072 R)
• M27: 30,689,106 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 11.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.5 AU - 6.42 AU

Year: 8806 Days

Day: 5.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,687,021 km

• M1: 145,858 km (0.115 R)
• M2: 603,328 km (0.049 R)
• M3: 1,097,001 km (0.108 R)
• M4: 1,466,807 km (0.064 R)
• M5: 2,413,612 km (0.065 R)
• M6: 2,966,376 km (0.062 R)
• M7: 4,048,268 km (0.078 R)
• M8: 5,020,056 km (0.093 R)
• M9: 6,702,583 km (0.062 R)
• M10: 8,504,938 km (0.1 R)
• M11: 9,991,043 km (0.112 R)
• M12: 11,587,701 km (0.074 R)
• M13: 12,213,769 km (0.111 R)
• M14: 12,802,287 km (0.09 R)
• M15: 13,225,499 km (0.118 R)
• M16: 13,657,986 km (0.113 R)
• M17: 16,243,337 km (0.098 R)
• M18: 18,518,870 km (0.107 R)
• M19: 19,693,064 km (0.112 R)
• M20: 20,420,857 km (0.102 R)
• M21: 20,999,352 km (0.112 R)
• M22: 27,700,589 km (0.046 R)
• M23: 32,138,260 km (0.083 R)
• M24: 32,584,062 km (0.076 R)
• M25: 34,641,930 km (0.11 R)
• M26: 36,421,696 km (0.053 R)
• M27: 38,012,969 km (0.104 R)
• M28: 39,650,018 km (0.048 R)
• M29: 41,861,075 km (0.057 R)
• M30: 42,660,675 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.1

Radius: 5.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.94 AU - 6.96 AU

Year: 10018 Days

Day: 23.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,687,021 km

• M1: 70,909 km (0.091 R)
• M2: 347,067 km (0.092 R)
• M3: 604,525 km (0.111 R)
• M4: 799,152 km (0.104 R)
• M5: 1,539,811 km (0.087 R)
• M6: 3,884,159 km (0.115 R)
• M7: 4,546,578 km (0.118 R)
• M8: 4,904,865 km (0.074 R)
• M9: 5,759,069 km (0.093 R)
• M10: 6,769,154 km (0.076 R)
• M11: 10,379,399 km (0.098 R)
• M12: 11,601,764 km (0.065 R)
• M13: 12,407,049 km (0.032 R)
• M14: 14,941,985 km (0.086 R)
• M15: 17,397,634 km (0.092 R)
• M16: 18,451,102 km (0.031 R)
• M17: 20,813,253 km (0.06 R)
• M18: 21,466,846 km (0.09 R)
• M19: 22,134,052 km (0.109 R)

Asteroid Belt

Center: 7.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.7

Radius: 7.4

Gravity: 17.89 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.25 AU - 10.05 AU

Year: 19105 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,687,021 km

• M1: 136,134 km (0.089 R)
• M2: 522,097 km (0.069 R)
• M3: 850,314 km (0.117 R)
• M4: 1,115,851 km (0.109 R)
• M5: 1,389,764 km (0.061 R)
• M6: 1,974,542 km (0.094 R)
• M7: 2,379,803 km (0.114 R)
• M8: 4,164,206 km (0.116 R)
• M9: 4,906,062 km (0.091 R)
• M10: 5,368,020 km (0.117 R)
• M11: 5,900,589 km (0.117 R)
• M12: 6,834,977 km (0.044 R)
• M13: 7,915,822 km (0.039 R)
• M14: 8,443,005 km (0.03 R)
• M15: 8,993,525 km (0.047 R)
• M16: 10,788,849 km (0.06 R)
• M17: 11,045,110 km (0.055 R)
• M18: 15,554,887 km (0.068 R)
• M19: 17,764,747 km (0.09 R)
• M20: 19,696,205 km (0.108 R)
• M21: 23,007,255 km (0.095 R)
• M22: 23,539,375 km (0.07 R)
• M23: 28,095,378 km (0.117 R)
• M24: 29,945,155 km (0.05 R)
• M25: 30,579,450 km (0.042 R)
• M26: 30,835,712 km (0.103 R)
• M27: 31,612,872 km (0.101 R)
• M28: 32,006,315 km (0.097 R)
• M29: 32,669,333 km (0.101 R)
• M30: 33,612,846 km (0.1 R)
• M31: 43,906,377 km (0.102 R)
• M32: 46,730,485 km (0.096 R)
• M33: 49,496,849 km (0.072 R)
• M34: 54,222,197 km (0.063 R)
• M35: 73,576,571 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906

Radius: 7.4

Gravity: 16.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.79 AU - 12.47 AU

Year: 22255 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,687,021 km

• M1: 93,947 km (0.113 R)
• M2: 353,949 km (0.111 R)
• M3: 687,402 km (0.089 R)
• M4: 1,072,318 km (0.081 R)
• M5: 2,559,769 km (0.06 R)
• M6: 4,520,848 km (0.09 R)
• M7: 4,816,752 km (0.087 R)
• M8: 5,047,133 km (0.069 R)
• M9: 5,365,926 km (0.111 R)
• M10: 5,956,090 km (0.076 R)
• M11: 6,403,537 km (0.096 R)
• M12: 7,265,221 km (0.084 R)
• M13: 7,724,037 km (0.083 R)
• M14: 12,909,099 km (0.112 R)
• M15: 13,280,252 km (0.03 R)
• M16: 14,998,383 km (0.08 R)
• M17: 16,165,995 km (0.057 R)
• M18: 16,597,285 km (0.1 R)
• M19: 25,039,243 km (0.063 R)
• M20: 25,500,603 km (0.095 R)
• M21: 30,560,451 km (0.109 R)
• M22: 31,620,203 km (0.097 R)
• M23: 32,567,307 km (0.074 R)
• M24: 38,958,128 km (0.079 R)
• M25: 43,598,205 km (0.042 R)
• M26: 44,602,156 km (0.096 R)
• M27: 46,830,117 km (0.081 R)
• M28: 52,816,875 km (0.067 R)
• M29: 57,478,045 km (0.103 R)
• M30: 58,482,445 km (0.084 R)
• M31: 70,772,509 km (0.063 R)
• M32: 80,105,471 km (0.11 R)
• M33: 85,194,940 km (0.057 R)
• M34: 86,500,182 km (0.061 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 15,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit