🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 8.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.74 AU - 0.86 AU

Year: 469 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 90,552,489 km

• M1: 101,727 km (0.104 R)
• M2: 1,413,849 km (0.088 R)
• M3: 1,701,227 km (0.047 R)
• M4: 2,141,045 km (0.095 R)
• M5: 2,459,090 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 10.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.12 AU - 1.54 AU

Year: 1006 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,552,489 km

• M1: 129,701 km (0.111 R)
• M2: 456,274 km (0.041 R)
• M3: 850,015 km (0.082 R)
• M4: 1,180,776 km (0.103 R)
• M5: 1,879,398 km (0.115 R)
• M6: 2,259,077 km (0.073 R)
• M7: 2,995,548 km (0.106 R)
• M8: 3,324,513 km (0.072 R)
• M9: 3,691,327 km (0.102 R)
• M10: 4,793,565 km (0.055 R)
• M11: 5,875,606 km (0.072 R)
• M12: 6,257,230 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 9.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.55 AU - 2.21 AU

Year: 1691 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,552,489 km

• M1: 117,135 km (0.106 R)
• M2: 781,948 km (0.067 R)
• M3: 1,327,831 km (0.047 R)
• M4: 1,837,361 km (0.097 R)
• M5: 2,264,912 km (0.111 R)
• M6: 2,557,376 km (0.053 R)
• M7: 2,928,678 km (0.099 R)
• M8: 4,369,455 km (0.092 R)
• M9: 4,883,622 km (0.062 R)
• M10: 6,438,393 km (0.114 R)
• M11: 8,001,990 km (0.119 R)
• M12: 8,353,695 km (0.094 R)
• M13: 9,471,640 km (0.102 R)
• M14: 10,914,810 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.3

Radius: 13.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.77 AU - 2.53 AU

Year: 2068 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,552,489 km

• M1: 165,455 km (0.088 R)
• M2: 832,213 km (0.116 R)
• M3: 1,583,942 km (0.118 R)
• M4: 2,446,673 km (0.101 R)
• M5: 3,006,917 km (0.103 R)
• M6: 3,802,030 km (0.094 R)
• M7: 4,577,695 km (0.108 R)
• M8: 5,137,789 km (0.08 R)
• M9: 5,565,639 km (0.044 R)
• M10: 6,133,961 km (0.079 R)
• M11: 8,218,159 km (0.098 R)
• M12: 9,999,421 km (0.074 R)
• M13: 10,567,294 km (0.048 R)
• M14: 11,192,015 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 13.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.43 AU - 2.69 AU

Year: 2687 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,552,489 km

• M1: 172,935 km (0.107 R)
• M2: 637,137 km (0.099 R)
• M3: 1,186,311 km (0.081 R)
• M4: 1,981,424 km (0.106 R)
• M5: 3,529,313 km (0.103 R)
• M6: 4,722,356 km (0.086 R)
• M7: 7,427,684 km (0.098 R)
• M8: 11,036,284 km (0.097 R)
• M9: 11,852,789 km (0.037 R)
• M10: 12,534,656 km (0.111 R)
• M11: 17,135,987 km (0.099 R)
• M12: 17,842,688 km (0.043 R)
• M13: 18,625,384 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.6

Radius: 9.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.81 AU - 2.91 AU

Year: 3173 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,552,489 km

• M1: 118,482 km (0.104 R)
• M2: 549,772 km (0.089 R)
• M3: 859,889 km (0.082 R)
• M4: 1,254,677 km (0.103 R)
• M5: 2,292,438 km (0.087 R)
• M6: 2,801,669 km (0.101 R)
• M7: 3,312,097 km (0.115 R)
• M8: 4,171,836 km (0.054 R)
• M9: 4,474,622 km (0.05 R)
• M10: 4,862,230 km (0.119 R)
• M11: 6,641,846 km (0.091 R)
• M12: 7,026,163 km (0.12 R)
• M13: 8,068,561 km (0.106 R)
• M14: 8,889,255 km (0.051 R)
• M15: 9,283,445 km (0.11 R)
• M16: 10,340,055 km (0.055 R)
• M17: 10,816,674 km (0.106 R)
• M18: 12,601,077 km (0.104 R)
• M19: 15,021,721 km (0.055 R)
• M20: 16,208,630 km (0.111 R)
• M21: 17,512,675 km (0.111 R)
• M22: 18,535,625 km (0.071 R)
• M23: 19,960,844 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 13.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.54 AU - 6.08 AU

Year: 9187 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,552,489 km

• M1: 172,935 km (0.077 R)
• M2: 708,944 km (0.083 R)
• M3: 1,340,247 km (0.057 R)
• M4: 1,794,875 km (0.048 R)
• M5: 2,319,665 km (0.115 R)
• M6: 3,136,768 km (0.039 R)
• M7: 3,832,548 km (0.087 R)
• M8: 5,696,238 km (0.09 R)
• M9: 7,224,081 km (0.097 R)
• M10: 8,021,587 km (0.105 R)
• M11: 8,921,419 km (0.091 R)
• M12: 9,935,243 km (0.047 R)
• M13: 11,075,927 km (0.044 R)
• M14: 12,976,718 km (0.107 R)
• M15: 17,626,818 km (0.065 R)
• M16: 19,672,569 km (0.119 R)
• M17: 20,130,787 km (0.102 R)
• M18: 20,831,354 km (0.096 R)
• M19: 21,628,860 km (0.053 R)
• M20: 22,696,091 km (0.109 R)
• M21: 23,455,151 km (0.097 R)
• M22: 27,984,974 km (0.076 R)
• M23: 29,450,286 km (0.085 R)
• M24: 30,658,737 km (0.086 R)
• M25: 32,215,602 km (0.044 R)
• M26: 36,624,401 km (0.075 R)
• M27: 37,669,193 km (0.111 R)
• M28: 40,061,861 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.4

Radius: 4.8

Gravity: 37.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.64 AU - 11.66 AU

Year: 21213 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,552,489 km

• M1: 59,839 km (0.118 R)
• M2: 404,662 km (0.106 R)
• M3: 1,260,960 km (0.093 R)
• M4: 1,568,085 km (0.116 R)
• M5: 2,423,486 km (0.054 R)
• M6: 2,741,979 km (0.076 R)
• M7: 3,707,634 km (0.056 R)
• M8: 4,164,506 km (0.099 R)
• M9: 5,634,753 km (0.097 R)
• M10: 5,888,172 km (0.111 R)
• M11: 7,932,128 km (0.076 R)
• M12: 11,781,580 km (0.113 R)
• M13: 14,182,327 km (0.074 R)
• M14: 20,021,581 km (0.089 R)
• M15: 22,033,074 km (0.059 R)
• M16: 25,410,844 km (0.076 R)
• M17: 25,640,028 km (0.103 R)
• M18: 29,243,541 km (0.118 R)
• M19: 34,835,061 km (0.083 R)
• M20: 39,391,064 km (0.057 R)
• M21: 46,005,235 km (0.087 R)
• M22: 60,151,359 km (0.088 R)
• M23: 69,757,786 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 4.7

Gravity: 35.03 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.51 AU - 11.61 AU

Year: 22512 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 90,552,489 km

• M1: 60,737 km (0.036 R)
• M2: 283,638 km (0.058 R)
• M3: 509,830 km (0.04 R)
• M4: 996,023 km (0.041 R)
• M5: 1,170,454 km (0.089 R)
• M6: 1,496,128 km (0.073 R)
• M7: 1,782,758 km (0.118 R)
• M8: 2,213,899 km (0.118 R)
• M9: 3,027,263 km (0.119 R)
• M10: 3,577,184 km (0.099 R)
• M11: 5,542,452 km (0.037 R)
• M12: 6,636,311 km (0.091 R)
• M13: 7,814,843 km (0.103 R)
• M14: 11,492,108 km (0.031 R)
• M15: 12,457,763 km (0.111 R)
• M16: 12,960,412 km (0.114 R)
• M17: 15,187,475 km (0.033 R)
• M18: 16,011,011 km (0.054 R)
• M19: 18,290,883 km (0.044 R)
• M20: 20,283,377 km (0.049 R)
• M21: 20,480,248 km (0.025 R)
• M22: 20,978,409 km (0.116 R)
• M23: 25,714,976 km (0.104 R)
• M24: 26,646,522 km (0.056 R)
• M25: 27,359,655 km (0.03 R)
• M26: 28,700,202 km (0.118 R)
• M27: 30,340,094 km (0.097 R)
• M28: 36,208,070 km (0.117 R)
• M29: 38,873,904 km (0.114 R)
• M30: 43,930,761 km (0.103 R)
• M31: 48,348,835 km (0.101 R)
• M32: 49,053,740 km (0.102 R)
• M33: 50,123,963 km (0.088 R)
• M34: 50,846,072 km (0.109 R)
• M35: 54,181,506 km (0.105 R)
• M36: 56,484,266 km (0.087 R)
• M37: 57,266,215 km (0.052 R)
• M38: 65,700,692 km (0.03 R)
• M39: 73,062,254 km (0.104 R)
• M40: 73,757,435 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.7

Radius: 5.9

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 8.91 AU - 13.29 AU

Year: 24260 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,552,489 km

• M1: 73,901 km (0.109 R)
• M2: 296,054 km (0.111 R)
• M3: 627,862 km (0.097 R)
• M4: 1,627,176 km (0.061 R)
• M5: 2,017,327 km (0.089 R)
• M6: 3,886,553 km (0.104 R)
• M7: 4,330,110 km (0.032 R)
• M8: 5,399,286 km (0.025 R)
• M9: 8,540,094 km (0.098 R)
• M10: 10,079,605 km (0.116 R)
• M11: 11,383,201 km (0.03 R)
• M12: 12,288,567 km (0.055 R)
• M13: 17,454,481 km (0.074 R)
• M14: 29,027,971 km (0.053 R)
• M15: 30,578,702 km (0.045 R)
• M16: 33,007,274 km (0.06 R)
• M17: 34,410,502 km (0.116 R)
• M18: 39,634,909 km (0.115 R)
• M19: 47,272,778 km (0.059 R)
• M20: 58,429,936 km (0.116 R)
• M21: 79,375,433 km (0.074 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 12,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit