🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 12.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.57 AU - 0.73 AU

Year: 362 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,100,574 km

• M1: 154,235 km (0.079 R)
• M2: 734,376 km (0.091 R)
• M3: 1,237,324 km (0.08 R)
• M4: 1,687,464 km (0.064 R)
• M5: 2,175,602 km (0.112 R)
• M6: 2,674,511 km (0.091 R)
• M7: 3,230,416 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209

Radius: 9.3

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.04 AU - 1.6 AU

Year: 1047 Days

Day: 9 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,100,574 km

• M1: 115,639 km (0.118 R)
• M2: 514,916 km (0.111 R)
• M3: 843,134 km (0.077 R)
• M4: 1,165,517 km (0.11 R)
• M5: 1,623,735 km (0.05 R)
• M6: 2,152,265 km (0.12 R)
• M7: 2,725,823 km (0.093 R)
• M8: 3,347,552 km (0.117 R)
• M9: 3,658,865 km (0.091 R)
• M10: 3,975,414 km (0.104 R)
• M11: 4,648,155 km (0.112 R)
• M12: 5,137,490 km (0.104 R)
• M13: 6,199,934 km (0.09 R)
• M14: 7,083,160 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 9.2

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.53 AU - 2.33 AU

Year: 1851 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,100,574 km

• M1: 114,442 km (0.077 R)
• M2: 466,297 km (0.069 R)
• M3: 778,358 km (0.107 R)
• M4: 1,353,711 km (0.111 R)
• M5: 1,684,921 km (0.118 R)
• M6: 2,394,464 km (0.081 R)
• M7: 2,737,940 km (0.079 R)
• M8: 3,051,946 km (0.116 R)
• M9: 3,491,016 km (0.075 R)
• M10: 4,316,497 km (0.093 R)
• M11: 5,380,287 km (0.094 R)
• M12: 5,779,265 km (0.05 R)
• M13: 6,689,418 km (0.103 R)
• M14: 7,123,402 km (0.092 R)
• M15: 7,576,085 km (0.1 R)
• M16: 8,414,431 km (0.064 R)
• M17: 9,547,635 km (0.04 R)
• M18: 9,854,909 km (0.033 R)
• M19: 11,453,063 km (0.056 R)
• M20: 12,233,964 km (0.089 R)
• M21: 14,880,650 km (0.108 R)
• M22: 15,201,537 km (0.063 R)
• M23: 15,904,946 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.9

Radius: 11.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.26 AU - 3.28 AU

Year: 3182 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,100,574 km

• M1: 140,772 km (0.111 R)
• M2: 496,067 km (0.119 R)
• M3: 1,870,572 km (0.119 R)
• M4: 2,936,756 km (0.084 R)
• M5: 3,735,160 km (0.095 R)
• M6: 4,721,758 km (0.084 R)
• M7: 6,184,526 km (0.079 R)
• M8: 6,588,290 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 10.3

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.98 AU - 3 AU

Year: 3569 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,100,574 km

• M1: 128,056 km (0.08 R)
• M2: 471,682 km (0.117 R)
• M3: 920,027 km (0.078 R)
• M4: 1,548,338 km (0.114 R)
• M5: 2,167,673 km (0.057 R)
• M6: 2,550,943 km (0.114 R)
• M7: 2,893,522 km (0.1 R)
• M8: 3,898,221 km (0.073 R)
• M9: 4,243,344 km (0.054 R)
• M10: 4,585,474 km (0.107 R)
• M11: 5,482,762 km (0.12 R)
• M12: 5,945,468 km (0.12 R)
• M13: 8,517,654 km (0.074 R)
• M14: 11,316,181 km (0.078 R)
• M15: 16,277,894 km (0.115 R)
• M16: 16,723,845 km (0.098 R)
• M17: 17,178,024 km (0.117 R)
• M18: 19,950,821 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 14

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.19 AU - 4.99 AU

Year: 6788 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,100,574 km

• M1: 174,730 km (0.102 R)
• M2: 666,758 km (0.107 R)
• M3: 1,136,345 km (0.085 R)
• M4: 1,619,247 km (0.03 R)
• M5: 3,318,230 km (0.069 R)
• M6: 4,433,782 km (0.083 R)
• M7: 4,983,105 km (0.109 R)
• M8: 7,724,486 km (0.101 R)
• M9: 8,444,949 km (0.098 R)
• M10: 9,334,758 km (0.053 R)
• M11: 10,020,365 km (0.059 R)
• M12: 10,602,151 km (0.097 R)
• M13: 14,863,596 km (0.078 R)
• M14: 15,385,393 km (0.073 R)
• M15: 18,844,844 km (0.093 R)
• M16: 20,151,880 km (0.109 R)
• M17: 21,371,701 km (0.112 R)
• M18: 21,813,913 km (0.101 R)
• M19: 23,409,673 km (0.112 R)
• M20: 30,021,450 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 8.7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.56 AU - 4.8 AU

Year: 6988 Days

Day: 10.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,100,574 km

• M1: 108,758 km (0.11 R)
• M2: 449,841 km (0.052 R)
• M3: 1,139,188 km (0.08 R)
• M4: 1,527,993 km (0.083 R)
• M5: 1,958,386 km (0.04 R)
• M6: 2,414,958 km (0.114 R)
• M7: 3,188,978 km (0.098 R)
• M8: 3,518,841 km (0.119 R)
• M9: 4,299,443 km (0.102 R)
• M10: 4,843,081 km (0.101 R)
• M11: 6,369,429 km (0.084 R)
• M12: 6,751,950 km (0.117 R)
• M13: 7,795,246 km (0.097 R)
• M14: 8,687,597 km (0.088 R)
• M15: 11,825,113 km (0.105 R)
• M16: 12,138,521 km (0.057 R)
• M17: 12,511,020 km (0.092 R)
• M18: 14,078,356 km (0.092 R)
• M19: 15,275,139 km (0.103 R)
• M20: 19,925,688 km (0.092 R)
• M21: 22,213,189 km (0.086 R)
• M22: 24,755,007 km (0.091 R)
• M23: 26,405,371 km (0.068 R)
• M24: 27,575,974 km (0.119 R)
• M25: 28,686,888 km (0.068 R)
• M26: 30,506,447 km (0.087 R)
• M27: 36,096,021 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.3

Radius: 3.3

Gravity: 64.77 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.43 AU - 6.93 AU

Year: 11917 Days

Day: 23.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,100,574 km

• M1: 41,439 km (0.047 R)
• M2: 263,741 km (0.045 R)
• M3: 619,934 km (0.108 R)
• M4: 764,744 km (0.117 R)
• M5: 985,551 km (0.095 R)
• M6: 1,159,383 km (0.116 R)
• M7: 1,450,950 km (0.037 R)
• M8: 2,598,665 km (0.112 R)
• M9: 3,024,121 km (0.107 R)
• M10: 3,241,187 km (0.115 R)
• M11: 3,625,804 km (0.088 R)
• M12: 5,471,991 km (0.042 R)
• M13: 5,830,727 km (0.066 R)
• M14: 7,685,142 km (0.031 R)
• M15: 8,601,578 km (0.053 R)
• M16: 9,537,313 km (0.113 R)
• M17: 9,898,592 km (0.109 R)
• M18: 10,003,460 km (0.064 R)
• M19: 11,901,707 km (0.12 R)
• M20: 13,441,518 km (0.12 R)
• M21: 13,961,072 km (0.08 R)
• M22: 14,225,710 km (0.103 R)
• M23: 14,426,471 km (0.056 R)
• M24: 17,286,333 km (0.048 R)
• M25: 18,449,457 km (0.075 R)
• M26: 20,417,267 km (0.119 R)
• M27: 21,364,222 km (0.082 R)
• M28: 21,892,751 km (0.083 R)
• M29: 24,571,450 km (0.086 R)
• M30: 34,379,386 km (0.06 R)
• M31: 37,980,207 km (0.111 R)
• M32: 43,628,873 km (0.116 R)
• M33: 43,769,644 km (0.098 R)
• M34: 47,243,307 km (0.073 R)
• M35: 48,139,548 km (0.062 R)
• M36: 52,472,052 km (0.084 R)
• M37: 52,631,373 km (0.083 R)
• M38: 54,080,229 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408

Radius: 4.6

Gravity: 19.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.39 AU - 7.67 AU

Year: 14263 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,100,574 km

• M1: 58,642 km (0.074 R)
• M2: 375,191 km (0.07 R)
• M3: 608,115 km (0.106 R)
• M4: 1,327,980 km (0.109 R)
• M5: 1,563,148 km (0.119 R)
• M6: 1,809,386 km (0.098 R)
• M7: 2,245,763 km (0.101 R)
• M8: 4,434,978 km (0.073 R)
• M9: 4,993,278 km (0.088 R)
• M10: 6,908,130 km (0.061 R)
• M11: 7,234,254 km (0.101 R)
• M12: 10,593,773 km (0.042 R)
• M13: 10,755,040 km (0.114 R)
• M14: 10,917,952 km (0.096 R)
• M15: 11,757,345 km (0.072 R)
• M16: 13,250,631 km (0.112 R)
• M17: 20,159,809 km (0.039 R)
• M18: 28,098,070 km (0.086 R)
• M19: 30,202,913 km (0.098 R)
• M20: 33,207,885 km (0.072 R)
• M21: 34,018,257 km (0.044 R)
• M22: 37,766,132 km (0.039 R)
• M23: 38,395,341 km (0.098 R)
• M24: 38,776,217 km (0.075 R)
• M25: 39,159,487 km (0.098 R)
• M26: 44,654,964 km (0.097 R)
• M27: 47,659,039 km (0.104 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 15,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit