🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 10.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.65 AU - 0.87 AU

Year: 435 Days

Day: 6.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,839,567 km

• M1: 133,142 km (0.072 R)
• M2: 482,004 km (0.111 R)
• M3: 824,284 km (0.072 R)
• M4: 1,252,583 km (0.107 R)
• M5: 1,602,193 km (0.09 R)
• M6: 2,331,333 km (0.085 R)
• M7: 2,730,161 km (0.056 R)
• M8: 3,402,155 km (0.051 R)
• M9: 3,744,883 km (0.103 R)
• M10: 4,470,882 km (0.098 R)
• M11: 4,867,765 km (0.08 R)
• M12: 5,321,495 km (0.109 R)
• M13: 5,821,152 km (0.12 R)
• M14: 6,427,473 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 13.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.16 AU - 1.74 AU

Year: 1145 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,839,567 km

• M1: 172,935 km (0.044 R)
• M2: 658,380 km (0.119 R)
• M3: 1,752,689 km (0.093 R)
• M4: 3,148,586 km (0.036 R)
• M5: 4,072,952 km (0.047 R)
• M6: 5,095,004 km (0.058 R)
• M7: 6,777,232 km (0.11 R)
• M8: 7,976,110 km (0.098 R)
• M9: 9,055,907 km (0.075 R)
• M10: 9,868,224 km (0.066 R)
• M11: 10,602,749 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 10

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.87 AU - 2.65 AU

Year: 2229 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,839,567 km

• M1: 124,465 km (0.108 R)
• M2: 920,625 km (0.079 R)
• M3: 1,648,120 km (0.049 R)
• M4: 2,607,940 km (0.08 R)
• M5: 2,992,705 km (0.057 R)
• M6: 4,265,334 km (0.063 R)
• M7: 6,437,496 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.6

Radius: 14.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.61 AU - 2.65 AU

Year: 2798 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,839,567 km

• M1: 179,517 km (0.08 R)
• M2: 634,744 km (0.099 R)
• M3: 1,216,081 km (0.112 R)
• M4: 1,700,329 km (0.063 R)
• M5: 2,155,257 km (0.044 R)
• M6: 2,632,175 km (0.055 R)
• M7: 3,464,238 km (0.095 R)
• M8: 4,643,069 km (0.113 R)
• M9: 5,252,082 km (0.043 R)
• M10: 5,808,586 km (0.117 R)
• M11: 6,863,401 km (0.118 R)
• M12: 7,912,231 km (0.108 R)
• M13: 9,388,613 km (0.059 R)
• M14: 10,211,700 km (0.119 R)
• M15: 11,494,502 km (0.103 R)
• M16: 13,108,663 km (0.086 R)
• M17: 14,185,618 km (0.106 R)
• M18: 15,068,844 km (0.096 R)
• M19: 16,250,667 km (0.1 R)
• M20: 17,327,772 km (0.097 R)
• M21: 17,827,728 km (0.083 R)
• M22: 19,564,410 km (0.082 R)
• M23: 20,721,100 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 14.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.93 AU - 3.69 AU

Year: 3950 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,839,567 km

• M1: 175,329 km (0.075 R)
• M2: 711,637 km (0.063 R)
• M3: 1,580,651 km (0.093 R)
• M4: 2,294,233 km (0.089 R)
• M5: 2,942,141 km (0.051 R)
• M6: 3,752,214 km (0.105 R)
• M7: 5,510,587 km (0.078 R)
• M8: 5,960,428 km (0.03 R)
• M9: 6,404,584 km (0.081 R)
• M10: 6,870,731 km (0.085 R)
• M11: 9,121,581 km (0.097 R)
• M12: 10,372,967 km (0.042 R)
• M13: 11,018,182 km (0.112 R)
• M14: 11,827,656 km (0.119 R)
• M15: 13,616,249 km (0.09 R)
• M16: 19,667,632 km (0.066 R)
• M17: 20,390,339 km (0.11 R)
• M18: 22,028,586 km (0.114 R)
• M19: 23,386,635 km (0.116 R)
• M20: 25,257,506 km (0.049 R)

Asteroid Belt

Center: 3.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 12.6

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.39 AU - 4.81 AU

Year: 6472 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,839,567 km

• M1: 163,810 km (0.066 R)
• M2: 620,532 km (0.083 R)
• M3: 1,156,990 km (0.077 R)
• M4: 1,849,927 km (0.11 R)
• M5: 2,361,253 km (0.077 R)
• M6: 3,028,310 km (0.119 R)
• M7: 4,170,190 km (0.114 R)
• M8: 4,627,810 km (0.098 R)
• M9: 5,118,790 km (0.048 R)
• M10: 5,549,183 km (0.071 R)
• M11: 6,274,583 km (0.118 R)
• M12: 7,025,116 km (0.088 R)
• M13: 7,557,984 km (0.087 R)
• M14: 8,282,935 km (0.066 R)
• M15: 9,276,115 km (0.102 R)
• M16: 12,845,371 km (0.064 R)
• M17: 13,527,986 km (0.112 R)
• M18: 14,597,162 km (0.099 R)
• M19: 17,723,757 km (0.056 R)
• M20: 21,826,180 km (0.117 R)
• M21: 29,056,694 km (0.087 R)
• M22: 32,265,119 km (0.083 R)
• M23: 33,633,491 km (0.107 R)
• M24: 37,166,245 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.6

Radius: 3.4

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.41 AU - 8.11 AU

Year: 12833 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,839,567 km

• M1: 45,029 km (0.104 R)
• M2: 156,180 km (0.1 R)
• M3: 363,672 km (0.093 R)
• M4: 544,536 km (0.108 R)
• M5: 899,682 km (0.058 R)
• M6: 1,086,829 km (0.104 R)
• M7: 1,403,677 km (0.084 R)
• M8: 1,538,913 km (0.106 R)
• M9: 2,137,454 km (0.112 R)
• M10: 4,259,500 km (0.117 R)
• M11: 4,952,288 km (0.098 R)
• M12: 6,971,410 km (0.088 R)
• M13: 8,680,865 km (0.096 R)
• M14: 9,919,386 km (0.092 R)
• M15: 10,510,896 km (0.103 R)
• M16: 12,374,437 km (0.11 R)
• M17: 12,582,677 km (0.053 R)
• M18: 19,055,777 km (0.107 R)
• M19: 19,263,718 km (0.056 R)
• M20: 23,666,682 km (0.078 R)
• M21: 25,132,592 km (0.092 R)
• M22: 31,312,929 km (0.101 R)
• M23: 31,505,760 km (0.037 R)
• M24: 31,893,817 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.9

Radius: 4.3

Gravity: 26.82 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.88 AU - 11.98 AU

Year: 22097 Days

Day: 15.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,839,567 km

• M1: 95,144 km (0.108 R)
• M2: 229,034 km (0.067 R)
• M3: 451,187 km (0.106 R)
• M4: 729,140 km (0.063 R)
• M5: 1,113,457 km (0.086 R)
• M6: 1,570,927 km (0.104 R)
• M7: 1,870,123 km (0.108 R)
• M8: 2,185,326 km (0.075 R)
• M9: 3,023,672 km (0.041 R)
• M10: 3,401,257 km (0.041 R)
• M11: 3,630,740 km (0.086 R)
• M12: 4,249,776 km (0.101 R)
• M13: 4,688,248 km (0.113 R)
• M14: 5,344,234 km (0.063 R)
• M15: 6,483,123 km (0.058 R)
• M16: 6,881,203 km (0.114 R)
• M17: 11,039,575 km (0.07 R)
• M18: 14,735,989 km (0.111 R)
• M19: 16,130,989 km (0.083 R)
• M20: 16,942,856 km (0.107 R)
• M21: 22,096,653 km (0.086 R)
• M22: 22,995,586 km (0.1 R)
• M23: 25,403,214 km (0.07 R)
• M24: 27,173,705 km (0.083 R)
• M25: 30,223,557 km (0.069 R)
• M26: 34,280,502 km (0.034 R)
• M27: 34,811,873 km (0.036 R)
• M28: 37,131,388 km (0.064 R)
• M29: 37,551,160 km (0.096 R)
• M30: 37,974,073 km (0.12 R)
• M31: 40,578,422 km (0.097 R)
• M32: 41,023,775 km (0.044 R)
• M33: 41,472,270 km (0.097 R)
• M34: 54,135,430 km (0.056 R)
• M35: 60,462,822 km (0.029 R)
• M36: 64,204,564 km (0.077 R)
• M37: 65,620,956 km (0.096 R)
• M38: 72,362,435 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.4

Radius: 5.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.86 AU - 11 AU

Year: 22097 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,839,567 km

• M1: 82,428 km (0.095 R)
• M2: 1,233,434 km (0.107 R)
• M3: 2,123,841 km (0.071 R)
• M4: 5,495,927 km (0.09 R)
• M5: 6,500,027 km (0.075 R)
• M6: 7,411,827 km (0.05 R)
• M7: 8,271,565 km (0.064 R)
• M8: 9,882,585 km (0.088 R)
• M9: 20,073,042 km (0.091 R)
• M10: 20,808,765 km (0.096 R)
• M11: 21,562,439 km (0.119 R)
• M12: 28,769,316 km (0.106 R)
• M13: 30,766,148 km (0.12 R)
• M14: 30,981,569 km (0.119 R)
• M15: 33,874,343 km (0.025 R)
• M16: 41,226,780 km (0.032 R)
• M17: 45,690,930 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 16,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit