🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 12.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.2 AU - 2.48 AU

Year: 1622 Days

Day: 14.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,718,414 km

• M1: 156,779 km (0.058 R)
• M2: 571,613 km (0.094 R)
• M3: 1,215,034 km (0.12 R)
• M4: 1,666,071 km (0.059 R)
• M5: 2,302,760 km (0.12 R)
• M6: 2,875,570 km (0.063 R)
• M7: 3,362,362 km (0.091 R)
• M8: 4,030,316 km (0.095 R)
• M9: 4,602,827 km (0.094 R)
• M10: 5,383,279 km (0.077 R)
• M11: 5,983,017 km (0.115 R)
• M12: 6,627,186 km (0.111 R)
• M13: 7,099,765 km (0.117 R)
• M14: 7,594,934 km (0.059 R)
• M15: 8,025,028 km (0.117 R)
• M16: 9,743,609 km (0.055 R)
• M17: 10,425,775 km (0.108 R)
• M18: 11,847,403 km (0.116 R)
• M19: 14,024,202 km (0.053 R)
• M20: 15,072,434 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.7

Radius: 12.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.64 AU - 4.06 AU

Year: 2778 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,718,414 km

• M1: 152,889 km (0.06 R)
• M2: 543,040 km (0.112 R)
• M3: 1,237,922 km (0.105 R)
• M4: 1,972,149 km (0.119 R)
• M5: 2,445,776 km (0.091 R)
• M6: 3,291,452 km (0.087 R)
• M7: 3,773,457 km (0.087 R)
• M8: 4,322,930 km (0.118 R)
• M9: 4,703,955 km (0.1 R)
• M10: 7,190,272 km (0.109 R)
• M11: 8,388,551 km (0.081 R)
• M12: 9,538,061 km (0.119 R)
• M13: 10,751,449 km (0.067 R)
• M14: 11,375,721 km (0.03 R)
• M15: 13,707,503 km (0.107 R)
• M16: 14,488,554 km (0.052 R)
• M17: 16,189,930 km (0.049 R)
• M18: 17,010,475 km (0.081 R)
• M19: 18,020,709 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 14.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6 AU - 7.06 AU

Year: 7560 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,718,414 km

• M1: 180,265 km (0.111 R)
• M2: 636,689 km (0.115 R)
• M3: 1,251,685 km (0.047 R)
• M4: 3,080,370 km (0.119 R)
• M5: 4,621,078 km (0.12 R)
• M6: 5,083,934 km (0.086 R)
• M7: 5,607,826 km (0.098 R)
• M8: 6,428,669 km (0.065 R)
• M9: 7,328,201 km (0.05 R)
• M10: 8,037,445 km (0.113 R)
• M11: 8,710,635 km (0.103 R)
• M12: 13,296,857 km (0.095 R)
• M13: 13,902,130 km (0.105 R)
• M14: 14,991,053 km (0.116 R)
• M15: 15,951,471 km (0.105 R)
• M16: 16,761,693 km (0.108 R)
• M17: 19,218,539 km (0.117 R)
• M18: 19,921,799 km (0.095 R)
• M19: 24,020,631 km (0.116 R)
• M20: 29,015,853 km (0.088 R)
• M21: 29,661,967 km (0.083 R)
• M22: 31,271,490 km (0.078 R)
• M23: 34,150,352 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 14.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.53 AU - 8.57 AU

Year: 8480 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,718,414 km

• M1: 185,352 km (0.03 R)
• M2: 1,236,576 km (0.11 R)
• M3: 2,343,151 km (0.103 R)
• M4: 2,935,559 km (0.111 R)
• M5: 4,755,567 km (0.101 R)
• M6: 5,778,966 km (0.086 R)
• M7: 6,908,280 km (0.086 R)
• M8: 7,661,655 km (0.054 R)
• M9: 8,511,072 km (0.091 R)
• M10: 8,980,659 km (0.082 R)
• M11: 10,542,910 km (0.092 R)
• M12: 11,646,344 km (0.086 R)
• M13: 12,605,416 km (0.117 R)
• M14: 14,201,326 km (0.059 R)
• M15: 15,109,834 km (0.074 R)
• M16: 17,516,863 km (0.07 R)
• M17: 19,870,786 km (0.1 R)
• M18: 20,547,866 km (0.068 R)
• M19: 21,789,379 km (0.068 R)
• M20: 22,998,279 km (0.103 R)
• M21: 28,190,522 km (0.102 R)
• M22: 34,978,825 km (0.03 R)
• M23: 37,312,402 km (0.109 R)
• M24: 37,883,118 km (0.039 R)
• M25: 38,924,768 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 9.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.85 AU - 10.31 AU

Year: 12395 Days

Day: 13 Hours

Environment

Temp: -198 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,718,414 km

• M1: 115,789 km (0.092 R)
• M2: 611,107 km (0.109 R)
• M3: 944,411 km (0.116 R)
• M4: 1,268,440 km (0.097 R)
• M5: 1,874,013 km (0.106 R)
• M6: 3,931,133 km (0.098 R)
• M7: 9,533,124 km (0.114 R)
• M8: 10,158,743 km (0.103 R)
• M9: 10,811,438 km (0.109 R)
• M10: 11,652,777 km (0.071 R)
• M11: 11,979,349 km (0.095 R)
• M12: 12,537,199 km (0.086 R)
• M13: 14,253,236 km (0.112 R)
• M14: 16,254,856 km (0.034 R)
• M15: 17,641,479 km (0.111 R)
• M16: 26,052,020 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.5

Radius: 7.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 12.04 AU - 12.78 AU

Year: 19806 Days

Day: 25 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,718,414 km

• M1: 93,050 km (0.12 R)
• M2: 381,774 km (0.115 R)
• M3: 988,842 km (0.112 R)
• M4: 1,287,140 km (0.063 R)
• M5: 1,581,100 km (0.073 R)
• M6: 2,305,902 km (0.084 R)
• M7: 2,584,154 km (0.071 R)
• M8: 3,929,487 km (0.104 R)
• M9: 4,328,166 km (0.094 R)
• M10: 5,029,181 km (0.08 R)
• M11: 6,783,067 km (0.055 R)
• M12: 7,357,522 km (0.118 R)
• M13: 8,961,361 km (0.104 R)
• M14: 12,194,620 km (0.112 R)
• M15: 12,516,555 km (0.101 R)
• M16: 15,299,225 km (0.039 R)
• M17: 16,519,195 km (0.068 R)
• M18: 18,217,281 km (0.1 R)
• M19: 20,028,612 km (0.107 R)
• M20: 21,208,191 km (0.102 R)
• M21: 22,433,397 km (0.108 R)
• M22: 25,024,133 km (0.063 R)
• M23: 27,696,999 km (0.114 R)
• M24: 28,704,091 km (0.088 R)
• M25: 35,265,155 km (0.105 R)
• M26: 38,753,179 km (0.08 R)
• M27: 39,309,384 km (0.088 R)
• M28: 39,730,053 km (0.07 R)
• M29: 40,012,194 km (0.08 R)
• M30: 44,406,034 km (0.11 R)
• M31: 46,718,966 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 6.7

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 10.71 AU - 16.93 AU

Year: 23275 Days

Day: 16.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,718,414 km

• M1: 92,302 km (0.078 R)
• M2: 315,053 km (0.051 R)
• M3: 674,387 km (0.119 R)
• M4: 899,083 km (0.05 R)
• M5: 1,120,638 km (0.082 R)
• M6: 1,766,900 km (0.075 R)
• M7: 2,711,162 km (0.107 R)
• M8: 4,386,509 km (0.098 R)
• M9: 4,959,618 km (0.072 R)
• M10: 5,581,497 km (0.113 R)
• M11: 6,038,219 km (0.068 R)
• M12: 7,217,050 km (0.078 R)
• M13: 7,860,620 km (0.094 R)
• M14: 8,222,797 km (0.116 R)
• M15: 10,821,910 km (0.101 R)
• M16: 12,410,340 km (0.108 R)
• M17: 14,072,672 km (0.104 R)
• M18: 17,921,227 km (0.083 R)
• M19: 23,357,015 km (0.067 R)
• M20: 26,217,326 km (0.091 R)
• M21: 31,188,762 km (0.077 R)
• M22: 33,422,408 km (0.074 R)
• M23: 37,185,244 km (0.093 R)
• M24: 40,605,799 km (0.081 R)
• M25: 43,264,751 km (0.044 R)
• M26: 46,706,699 km (0.051 R)
• M27: 48,753,348 km (0.058 R)
• M28: 49,100,116 km (0.112 R)
• M29: 64,988,756 km (0.099 R)
• M30: 71,929,648 km (0.115 R)
• M31: 72,154,045 km (0.109 R)
• M32: 79,348,356 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.6

Radius: 3.9

Gravity: 29.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 13.13 AU - 17.01 AU

Year: 26504 Days

Day: 23 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,718,414 km

• M1: 48,919 km (0.105 R)
• M2: 317,447 km (0.096 R)
• M3: 1,136,196 km (0.068 R)
• M4: 1,400,834 km (0.101 R)
• M5: 2,308,894 km (0.118 R)
• M6: 3,124,950 km (0.073 R)
• M7: 4,317,395 km (0.097 R)
• M8: 7,853,888 km (0.057 R)
• M9: 9,652,952 km (0.1 R)
• M10: 11,122,003 km (0.073 R)
• M11: 15,036,980 km (0.069 R)
• M12: 16,661,912 km (0.083 R)
• M13: 17,690,995 km (0.084 R)
• M14: 22,436,689 km (0.112 R)
• M15: 26,220,767 km (0.113 R)
• M16: 30,787,391 km (0.093 R)
• M17: 32,991,566 km (0.088 R)
• M18: 33,124,409 km (0.047 R)
• M19: 53,971,920 km (0.092 R)
• M20: 54,712,280 km (0.062 R)
• M21: 54,898,529 km (0.119 R)
• M22: 56,024,253 km (0.116 R)
• M23: 57,934,468 km (0.117 R)
• M24: 72,088,521 km (0.044 R)
• M25: 75,262,988 km (0.084 R)
• M26: 75,955,177 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 10,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit