🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.62 AU - 0.7 AU

Year: 364 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,664,054 km

• M1: 143,016 km (0.09 R)
• M2: 514,018 km (0.103 R)
• M3: 880,832 km (0.058 R)
• M4: 1,613,413 km (0.063 R)
• M5: 2,006,257 km (0.084 R)
• M6: 2,370,528 km (0.1 R)
• M7: 2,779,229 km (0.112 R)
• M8: 3,269,611 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 11.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.92 AU

Year: 432 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,664,054 km

• M1: 140,772 km (0.088 R)
• M2: 501,602 km (0.09 R)
• M3: 882,029 km (0.117 R)
• M4: 1,420,282 km (0.026 R)
• M5: 2,006,706 km (0.099 R)
• M6: 2,370,827 km (0.042 R)
• M7: 2,880,956 km (0.06 R)
• M8: 3,789,763 km (0.107 R)
• M9: 4,462,804 km (0.073 R)
• M10: 5,105,925 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 13.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,664,054 km

• M1: 166,951 km (0.106 R)
• M2: 597,494 km (0.098 R)
• M3: 1,066,633 km (0.107 R)
• M4: 1,489,995 km (0.065 R)
• M5: 1,960,480 km (0.088 R)
• M6: 2,679,298 km (0.055 R)
• M7: 3,124,800 km (0.096 R)
• M8: 3,672,478 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 13.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.83 AU - 1.09 AU

Year: 638 Days

Day: 13 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,664,054 km

• M1: 171,738 km (0.069 R)
• M2: 690,394 km (0.111 R)
• M3: 1,440,179 km (0.071 R)
• M4: 2,031,838 km (0.116 R)
• M5: 2,545,557 km (0.09 R)
• M6: 3,049,403 km (0.091 R)
• M7: 3,647,046 km (0.102 R)
• M8: 4,142,215 km (0.103 R)
• M9: 6,735,046 km (0.036 R)
• M10: 7,574,290 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 11

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.67 AU - 2.79 AU

Year: 2259 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,664,054 km

• M1: 138,079 km (0.117 R)
• M2: 561,740 km (0.092 R)
• M3: 1,025,194 km (0.103 R)
• M4: 1,522,757 km (0.095 R)
• M5: 2,155,855 km (0.094 R)
• M6: 2,509,355 km (0.114 R)
• M7: 3,127,942 km (0.086 R)
• M8: 3,729,625 km (0.089 R)
• M9: 4,883,323 km (0.065 R)
• M10: 5,738,724 km (0.095 R)
• M11: 6,144,583 km (0.073 R)
• M12: 7,295,739 km (0.067 R)
• M13: 9,608,970 km (0.084 R)
• M14: 10,053,426 km (0.086 R)
• M15: 10,712,255 km (0.073 R)
• M16: 11,155,663 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 12.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.78 AU - 2.8 AU

Year: 2350 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,664,054 km

• M1: 153,039 km (0.072 R)
• M2: 592,856 km (0.095 R)
• M3: 1,128,118 km (0.079 R)
• M4: 2,436,351 km (0.038 R)
• M5: 3,260,336 km (0.118 R)
• M6: 3,653,629 km (0.1 R)
• M7: 4,345,220 km (0.12 R)
• M8: 4,823,484 km (0.104 R)
• M9: 5,938,287 km (0.058 R)
• M10: 6,501,224 km (0.09 R)
• M11: 7,579,825 km (0.103 R)
• M12: 8,439,713 km (0.117 R)
• M13: 9,048,278 km (0.081 R)
• M14: 10,972,256 km (0.06 R)
• M15: 13,110,757 km (0.12 R)
• M16: 14,207,908 km (0.116 R)
• M17: 15,514,047 km (0.086 R)
• M18: 19,214,500 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.6

Radius: 3.7

Gravity: 64.54 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.47 AU - 6.15 AU

Year: 9499 Days

Day: 17.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,664,054 km

• M1: 46,375 km (0.089 R)
• M2: 167,250 km (0.102 R)
• M3: 365,019 km (0.059 R)
• M4: 575,054 km (0.077 R)
• M5: 805,136 km (0.068 R)
• M6: 941,569 km (0.075 R)
• M7: 1,532,181 km (0.111 R)
• M8: 2,224,371 km (0.081 R)
• M9: 2,396,259 km (0.107 R)
• M10: 2,943,039 km (0.091 R)
• M11: 3,269,910 km (0.081 R)
• M12: 4,107,210 km (0.114 R)
• M13: 4,307,820 km (0.118 R)
• M14: 5,582,095 km (0.11 R)
• M15: 5,864,087 km (0.048 R)
• M16: 6,886,439 km (0.062 R)
• M17: 7,169,777 km (0.08 R)
• M18: 8,844,974 km (0.092 R)
• M19: 9,131,304 km (0.07 R)
• M20: 10,603,347 km (0.078 R)
• M21: 11,311,843 km (0.091 R)
• M22: 11,535,941 km (0.111 R)
• M23: 11,993,261 km (0.092 R)
• M24: 12,883,069 km (0.087 R)
• M25: 14,007,746 km (0.094 R)
• M26: 14,201,326 km (0.1 R)
• M27: 18,847,537 km (0.034 R)
• M28: 19,965,781 km (0.109 R)
• M29: 22,509,393 km (0.11 R)
• M30: 22,953,400 km (0.069 R)
• M31: 23,767,063 km (0.118 R)
• M32: 24,413,176 km (0.087 R)
• M33: 31,090,477 km (0.109 R)
• M34: 33,331,154 km (0.118 R)
• M35: 36,523,423 km (0.105 R)
• M36: 38,130,702 km (0.035 R)
• M37: 42,826,430 km (0.106 R)
• M38: 46,878,288 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630

Radius: 3

Gravity: 70 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.67 AU - 9.27 AU

Year: 16719 Days

Day: 19.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 65,664,054 km

• M1: 37,699 km (0.105 R)
• M2: 209,736 km (0.091 R)
• M3: 316,250 km (0.094 R)
• M4: 745,745 km (0.03 R)
• M5: 1,038,359 km (0.078 R)
• M6: 1,217,577 km (0.063 R)
• M7: 1,739,225 km (0.075 R)
• M8: 2,011,343 km (0.108 R)
• M9: 3,176,412 km (0.099 R)
• M10: 3,900,316 km (0.071 R)
• M11: 5,742,763 km (0.083 R)
• M12: 5,938,138 km (0.082 R)
• M13: 6,138,001 km (0.099 R)
• M14: 7,295,140 km (0.033 R)
• M15: 8,339,483 km (0.042 R)
• M16: 10,778,227 km (0.101 R)
• M17: 10,955,950 km (0.094 R)
• M18: 12,063,423 km (0.104 R)
• M19: 15,753,853 km (0.12 R)
• M20: 16,136,524 km (0.094 R)
• M21: 16,840,831 km (0.106 R)
• M22: 17,894,149 km (0.075 R)
• M23: 18,310,779 km (0.077 R)
• M24: 21,223,450 km (0.107 R)
• M25: 21,409,400 km (0.119 R)
• M26: 23,426,727 km (0.079 R)
• M27: 23,925,038 km (0.114 R)
• M28: 24,227,375 km (0.065 R)
• M29: 27,612,925 km (0.098 R)
• M30: 33,261,591 km (0.052 R)
• M31: 37,970,184 km (0.052 R)
• M32: 38,657,436 km (0.111 R)
• M33: 43,701,278 km (0.119 R)
• M34: 45,526,821 km (0.093 R)
• M35: 48,359,157 km (0.04 R)
• M36: 49,004,223 km (0.098 R)
• M37: 52,995,046 km (0.104 R)
• M38: 56,304,001 km (0.118 R)
• M39: 57,197,100 km (0.078 R)
• M40: 60,118,448 km (0.103 R)
• M41: 61,051,489 km (0.099 R)
• M42: 62,754,960 km (0.112 R)
• M43: 63,329,715 km (0.096 R)
• M44: 63,908,061 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 15,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit